General
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Target
http://151.106.34.115:6573/svhost.exe
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Sample
250122-rjrpcs1lgk
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://151.106.34.115:6573/svhost.exe
Resource
win11-20241007-en
Malware Config
Extracted
darkcomet
firefox
falk.twilightparadox.com:4441
DC_MUTEX-06MWGLU
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InstallPath
MSDCSC\msdcsc.exe
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gencode
vTbEhVczmF0S
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicroUpdate
Targets
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Target
http://151.106.34.115:6573/svhost.exe
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Darkcomet family
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Modifies WinLogon for persistence
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Modifies security service
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Windows security bypass
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XMRig Miner payload
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Xmrig family
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Downloads MZ/PE file
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Event Triggered Execution: Image File Execution Options Injection
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Manipulates Digital Signatures
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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Windows security modification
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Privilege Escalation
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify Tools
2Modify Registry
9Subvert Trust Controls
2SIP and Trust Provider Hijacking
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1