Threat Database Backdoors Backdoor.Remcos.HK

Backdoor.Remcos.HK

By CagedTech in Backdoors

Threat Scorecard

Popularity Rank: 15,444
Threat Level: 60 % (Medium)
Infected Computers: 287
First Seen: February 15, 2024
Last Seen: March 31, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Backdoor.Remcos.HK
Signature status: No Signature

Known Samples

MD5: a1a4b696de22eca0cfc7ce8ec49940a1
SHA1: 157601bcf10f3b0f5eb094ffc878b0081f7e5c7e
SHA256: C5CDB9DCE8D674E9AD897E4D72023BD2A2D1E7227B13AB4CCAA1DC364CFC4FE2
File Size: 498.69 KB, 498688 bytes

Windows Portable Executable Attributes

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

File Icons

File Traits

  • HighEntropy
  • No Version Info
  • WriteProcessMemory
  • x86

Block Information

Total Blocks: 2,210
Potentially Malicious Blocks: 851
Whitelisted Blocks: 1,315
Unknown Blocks: 44

Visual Map

0 0 0 0 0 x x x x x 0 0 x 0 x 0 0 0 0 0 x x 0 0 0 0 x x 0 x x x x 0 0 x x 0 x 0 x 0 x x 0 0 0 0 0 x 0 0 x 0 0 0 x x x x x x 0 0 0 x x x 0 0 0 0 0 0 x x 0 0 x x 0 0 0 x x 0 x 0 x x 0 x 0 x 0 x 0 0 x 0 x 0 0 0 x x x x x x 0 0 0 0 0 0 x ? 0 0 x x 0 x x 0 x x x x x x x x ? x x x x x x x x 0 x x x 0 x 0 x 0 x x x x x 0 x 0 x x x x x x x x x x ? ? ? 0 0 x x x x x x 0 0 0 0 0 0 x x x x x x x ? x x x x 0 x 0 0 0 0 x x x x x x x 0 0 0 x 0 x 0 x x x x x 0 x 0 0 x x x x x x x x 0 0 x 0 x 0 x x 0 x x x x 0 0 0 0 0 x 0 0 x 1 0 x ? x x x x x x x x x x x x x x x x x x x x x x x 0 x 0 x x 0 x x x x x x x ? x ? 0 x x ? ? x x x x 0 x 0 x 0 x 0 0 x x 0 0 x x 0 0 0 0 x x 0 0 0 x ? x x ? ? x x x x x ? ? x ? 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 x x 0 0 x 0 x x 0 x 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 ? 0 x ? x ? 0 x 0 0 0 0 0 x x 0 x x x x x x x x 0 0 x x 0 0 0 0 0 0 x 0 0 x x x x x x 0 x 0 x 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 x 0 0 0 0 0 x 0 0 x x 0 x x ? 0 0 0 0 0 x 0 x 0 0 x x x x 0 0 x x 0 x x 0 x x x x x 0 0 0 x x 0 ? x ? ? x x 0 0 x x x ? ? x ? x ? x x x x ? x x x x x x ? x x x x x x x ? x x x 0 0 x x 0 0 0 0 x ? 0 0 0 0 x x ? x 0 x x x x 0 x 0 x x x 0 x x x ? x x x x x 0 x 0 0 0 0 0 0 x x x x 0 x x x x x x x 0 x x x x x x x x x x x x ? x x x x x x x x 0 x x x x x x x ? ? ? x x x x x x x ? x x x x x x x x x x x x x x x x x x x x x x x x x x 0 x x x x x ? x ? x x x x x x x x x x x 0 0 x 0 x x x x x x 0 0 0 0 0 x x x x 0 x x x x 0 x x 0 0 x 0 x x x 0 0 x 0 x x x x x x x x x x 0 x x x x x x 0 x 0 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 0 x x x x x x x x x x x x x x x x 0 0 x x x x x 0 x x x x x x x x x 0 x x x x x x 0 0 x x x x x x x 0 x x x 0 x x x x x x x x x x x x x x 0 x x x x x x x x x x x x x x x x x x x x x 0 x x x x x x x x x x 0 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 x x 0 x x x x x x x x x x x x 0 x x x x x x x x x x x x x x x x x x x x 0 0 x x x 0 x x x x x x x x x x x x x x x x x x x x x x 0 0 x x x x x x x 0 0 x x x x x x x x x 0 x x x x x x x x x x x x x x x x x x x x 0 x x x x x x x x x 0 x x x x x x x 0 x x x x 0 0 x x x x x x x 0 x x x x x x x x x x x x x x x x x x x x x 0 x x x x x x 0 x 0 x x x x x x x x x x x 0 x 0 x 0 x 0 0 x x x x x x x x 0 0 x x x x x x x 0 x x x x 0 x x x x x x x x x x x x x x x 0 x x 0 x x x 0 x x x x 0 x x x x x x x x x 0 x x x x x x x x 0 0 0 x x x x x x x x x x 0 x x x x x x x x x x x x x x x x 0 x x 0 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 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 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 1 0 1 1 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 1 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 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 1 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 2 0 0 0 0 0 0 0 2 2 2 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 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 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 2 0 0 2 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 2 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 1 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 1 1 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 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 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 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 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
... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Remcos.HK

Files Modified

File Attributes
c:\programdata\svshost\svshost.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144

Registry Modifications

Key::Value Data API Name
HKLM\software\wow6432node\microsoft\windows\currentversion\run::rmc-ppb9eq "C:\ProgramData\svshost\svshost.exe" RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey

Windows API Usage

Category API
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
User Data Access
  • GetUserObjectInformation
Process Manipulation Evasion
  • ReadProcessMemory

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