Threat Database Trojans Trojan.MSIL.Kryptik.FHM

Trojan.MSIL.Kryptik.FHM

By CagedTech in Trojans

Analysis Report

General information

Family Name: Trojan.MSIL.Kryptik.FHM
Signature status: No Signature

Known Samples

MD5: fd6e00e057279c340431fb344dcb77d6
SHA1: be0891151bae37ae3dc32e936b764e866a04fba6
SHA256: 2902523B37AF442A62615375BF67164707988E6DFD90CF47E2CF3B19DF5B6195
File Size: 240.13 KB, 240128 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File is .NET application
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
File Description StatusReport
File Version 1.0.0.0
Internal Name StatusReport.exe
Legal Copyright Copyright © 2017
Original Filename StatusReport.exe
Product Name StatusReport
Product Version 1.0.0.0

File Traits

  • .NET
  • .sdata
  • Reactor
  • RijndaelManaged
  • WriteProcessMemory
  • x86

Block Information

Total Blocks: 1,060
Potentially Malicious Blocks: 122
Whitelisted Blocks: 519
Unknown Blocks: 419

Visual Map

0 0 0 0 0 ? ? 0 x 0 0 ? ? ? ? 0 ? 0 0 0 0 ? x x x x x x 0 0 0 0 ? ? ? ? x x ? ? ? 0 0 0 0 0 0 0 0 ? ? x x ? x ? ? ? 0 0 ? x ? ? ? ? 0 ? ? ? ? ? ? 0 x x 0 ? x ? x x x ? ? ? 0 ? ? x 0 ? 0 x ? 0 0 ? ? ? 0 ? 0 0 0 x 0 0 0 0 0 0 x 0 ? 0 ? 0 0 0 0 0 0 0 ? 0 0 ? 0 0 0 0 0 0 ? ? x 0 ? 0 ? 0 ? 0 0 ? 0 0 0 ? ? x 0 x 0 x 0 x ? 0 0 ? ? x ? 0 ? ? 0 0 x ? x ? 0 ? 0 x x x x ? x ? ? ? ? ? ? ? 0 0 0 ? ? 0 0 0 0 0 ? 0 0 0 0 0 0 ? 0 ? 0 0 0 ? 0 0 ? 0 ? ? ? ? 0 0 ? ? 0 0 x 0 0 0 0 x ? x ? ? ? ? x ? ? 0 0 0 ? 0 ? 0 0 0 ? 0 ? ? 0 ? ? ? ? ? ? ? ? ? ? ? ? ? x x x x x x ? ? ? x x x ? ? ? ? ? ? ? ? ? ? ? ? ? x ? ? x 0 ? 0 ? x x x ? 0 ? ? ? ? 0 0 ? x 0 0 ? 0 0 0 ? 0 0 0 ? 0 ? ? ? ? 0 ? 0 0 0 0 0 x x ? ? 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 ? ? 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ? ? ? ? ? ? x x x x x x x x ? ? 0 0 ? ? 0 0 0 ? ? ? ? 0 x x 0 0 ? ? ? ? 0 0 0 ? ? ? ? 0 ? ? ? ? 0 0 ? ? 0 ? x 0 0 0 x x x ? ? ? ? ? ? ? 0 0 ? 0 ? ? 0 0 0 ? x x 0 0 x ? 0 0 0 ? 0 ? 0 0 ? 0 0 ? ? ? x ? ? 0 0 0 0 0 ? ? x ? ? ? ? ? ? 0 0 ? ? ? ? ? ? ? x ? ? x ? ? 0 0 ? 0 0 0 ? ? ? ? ? ? ? 0 ? 0 ? x ? 0 x x x 0 x 0 ? 0 0 ? x x 0 ? 0 0 ? ? ? ? 0 0 ? ? ? ? x ? x 0 ? ? ? 0 ? ? 0 0 ? ? ? ? 0 0 0 0 ? ? 0 0 0 0 0 0 0 0 0 0 ? ? ? x 0 0 0 0 ? 0 0 0 0 0 0 ? ? 0 ? ? ? x x x ? 0 0 ? ? ? 0 0 ? 0 0 ? 0 0 0 0 0 0 0 0 0 0 0 ? ? 0 0 ? ? ? ? ? x 0 ? x ? 0 0 ? x ? 0 x x x ? ? ? 0 0 0 ? 0 0 0 ? ? ? ? 0 0 0 ? x ? 0 0 0 0 0 0 0 ? x ? 0 0 0 0 0 0 0 0 x ? ? x ? ? x x 0 0 0 ? 0 0 0 0 0 ? 0 0 0 ? 0 0 0 0 ? 0 0 0 ? 0 0 0 0 0 0 ? ? ? ? 0 0 ? ? ? ? ? x ? 0 0 ? x ? ? 0 ? ? x ? 0 0 ? ? 0 0 ? ? ? ? 0 ? 0 ? 0 x 0 x 0 0 ? ? 0 ? 0 ? 0 0 0 ? ? x ? 0 0 0 0 ? 0 0 ? 0 x ? x ? 0 0 0 ? 0 ? ? x ? 0 0 0 ? ? 0 ? ? x ? ? 0 0 ? 0 ? 0 0 0 ? ? 0 0 ? ? ? 0 0 0 ? ? 0 ? ? ? ? ? 0 0 ? 0 0 ? ? 0 0 ? ? ? ? 0 ? ? ? ? ? 0 0 0 0 ? ? 0 0 ? 0 ? 0 0 0 0 0 ? ? ? 0 0 0 0 0 0 ? ? ? 0 0 0 0 0 ? ? ? 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ? 0 0 0 ? ? ? ? ? ? ? 0 0 x 0 0 0 0 0 0 0 0 ? 0 0 ? ? 0 x x ? x x x 0 0 ? ? 0 ? 0 0 ? 0 0 0 0 0 0 0 0 0 0 0 0 ? ? ? 0 0 ? 0 ? 0 0 0 0 0 0 0 ? ? x ? 0 ? ? ? ? ? ? 0 0 ? ? ? ? 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 ? 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ? 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Files Modified

File Attributes
\device\namedpipe\gmdasllogger Generic Write,Read Attributes
c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.0.regtrans-ms Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.1.regtrans-ms Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.2.regtrans-ms Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\windows\appcompat\programs\amcache.hve Read Data,Read Control,Write Data
c:\windows\appcompat\programs\amcache.hve Write Attributes

Registry Modifications

Key::Value Data API Name
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 �n�8��"a�jg�8 �� �6 �v xy ��T���������%���5��Bx�<#��$kF&� &�-(�(X�(�)�`*J*9*�"-!R1`1�1HO1�D5,]9ߔ=�@V�D�G�IH[uH�pH��I��J��K��N$N�R20U_*X�_�z`�2b"hc�w RegNtPreCreateKey
HKLM\system\software\microsoft\tip\aggregateresults::data ������7)���< | �3�0��Q�4 ��|�{}�N��w�Ϛ����Ϛ����Ϛ����Ϛ���r+�Ý���ר� ����� RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAdjustPrivilegesToken
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
Show More
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDelayExecution
  • ntdll.dll!NtDeleteValueKey
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtFsControlFile
  • ntdll.dll!NtLoadKeyEx
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenSymbolicLinkObject
  • ntdll.dll!NtOpenThread
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySymbolicLinkObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReadVirtualMemory
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtTraceEvent
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
Process Manipulation Evasion
  • NtUnmapViewOfSection
  • ReadProcessMemory
Process Shell Execute
  • CreateProcess
Encryption Used
  • BCryptOpenAlgorithmProvider

Shell Command Execution

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 856