Threat Database Trojans Trojan.CobaltStrike.H

Trojan.CobaltStrike.H

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2
First Seen: June 1, 2021
Last Seen: December 1, 2025
OS(es) Affected: Windows

The detection of Trojan.CobaltStrike.H indicates a potential security threat to your computer system. This report aims to provide general guidance on understanding and removing the detected threat. It is essential to approach this situation with caution and follow the recommended steps to ensure the security and integrity of your system.

What Is Trojan.CobaltStrike.H?

Trojan.CobaltStrike.H is identified as a Trojan-type threat, which means it is a type of malware that disguises itself as legitimate software to gain unauthorized access to a computer system. The name Trojan.CobaltStrike.H suggests it may be related to or utilize tactics similar to those of the Cobalt Strike framework, which is known for its use in penetration testing and, unfortunately, by malicious actors for unauthorized access. However, without specific details, it's crucial to focus on general mitigation and removal strategies applicable to Trojan-type threats.

How Trojan.CobaltStrike.H Operates

Trojan-type malware, like Trojan.CobaltStrike.H, typically operates by deceiving users into installing it on their systems. Once installed, it can create a backdoor that allows attackers to access the system remotely. This access can be used for a variety of malicious purposes, including data theft, installing additional malware, or using the compromised system as part of a botnet for further malicious activities. The specific operations of Trojan.CobaltStrike.H can vary, but the general approach involves exploiting user trust or system vulnerabilities to establish a covert presence on the targeted system.

Symptoms of Infection

Identifying a Trojan infection can be challenging due to its stealthy nature. However, some common symptoms include unusual system behavior, such as unexpected crashes, slow performance, or the appearance of unfamiliar programs or system files. Additionally, increased network activity without a clear cause or finding unfamiliar accounts and access points on your system can indicate a Trojan infection. It's essential to monitor system behavior closely and use security software to detect and alert on potential threats.

How to Remove Trojan.CobaltStrike.H

  1. Enter Safe Mode with Networking: This will limit the malware's ability to interfere with the removal process. Restart your computer and enter Safe Mode. This can usually be done by pressing a specific key (such as F8) during boot-up, though this may vary depending on your system.
  2. Conduct a Full Scan: Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. Ensure your anti-malware software is updated to the latest version to increase the chances of detecting and removing the threat.
  3. Uninstall Suspicious Programs: Go through your installed programs and uninstall anything that looks suspicious or unfamiliar. Be cautious, as some legitimate programs might be mistakenly uninstalled.
  4. Reset Browsers: If your web browsers (such as Chrome, Firefox, or Edge) have been affected, resetting them to their default settings can help remove any malicious extensions or settings changes made by the Trojan.
  5. Reboot and Re-scan: After completing the above steps, reboot your system and perform another full scan with your anti-malware tool to ensure that the threat has been completely removed.

Conclusion

Removing Trojan.CobaltStrike.H requires careful and methodical steps to ensure the malware is fully eradicated from your system. It's crucial to stay vigilant and maintain up-to-date security software to protect against future threats. Regular system backups and being cautious when installing software or clicking on links can also help prevent similar infections in the future. Remember, the key to dealing with malware is a combination of awareness, prompt action, and the use of reputable security tools.

Analysis Report

General information

Family Name: Trojan.CobaltStrike.H
Signature status: Root Not Trusted

Known Samples

MD5: 8d5f357c8494439b1050397f9de730f1
SHA1: a032172c0636fce2da46892daef2ce80ac2f4560
SHA256: 54DF17A85DF782DA534E565B4B0F3DDCE21D7A1446DE4579E493EA454915B4C4
File Size: 797.50 KB, 797496 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File has exports table
  • File has TLS information
  • File is 64-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)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Digital Signatures

Signer Root Status
NVIDIA Corporation VeriSign Class 3 Public Primary Certification Authority - G5 Root Not Trusted

File Traits

  • dll
  • x64

Block Information

Total Blocks: 7,034
Potentially Malicious Blocks: 2,631
Whitelisted Blocks: 2,589
Unknown Blocks: 1,814

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
Show More
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Encryption Used
  • BCryptOpenAlgorithmProvider

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