crimsonrat

General

Target

20240410_224239.png
Size

8KB
Sample

240716-cg2dfssgjg
MD5

73d8b6f0a522c3a29aaf4e90c8876fb3
SHA1

d8252b0e9473976f23d55651c7633d9ac81f61a2
SHA256

e275085a3056b02e23e330a109ada4c610354bfa5f06b1a2d774de4dde7f9c1d
SHA512

9f9240f04c26ce9c3e3c93f8327367ac90202ab616eb6c651625ad65c495ad1e2ccaed761da516cb4b9f10abe6b7770fcd4dd0bc4a7994e1c7cb93a1cfbf77b9
SSDEEP

192:jwynuGklwSRteNGDaUs2T0hKXupfKneqoRYMi2xKDvI7Srm:jwD9/egJs2/ukeLNtQvISa

Score

10^/10

Malware Config

Extracted

Family

crimsonrat

C2

185.136.161.124

Extracted

Family

revengerat

Botnet

Guest

C2

0.tcp.ngrok.io:19521

Mutex

RV_MUTEX

Targets

- Target
  
  20240410_224239.png
- Size
  
  8KB
- MD5
  
  73d8b6f0a522c3a29aaf4e90c8876fb3
- SHA1
  
  d8252b0e9473976f23d55651c7633d9ac81f61a2
- SHA256
  
  e275085a3056b02e23e330a109ada4c610354bfa5f06b1a2d774de4dde7f9c1d
- SHA512
  
  9f9240f04c26ce9c3e3c93f8327367ac90202ab616eb6c651625ad65c495ad1e2ccaed761da516cb4b9f10abe6b7770fcd4dd0bc4a7994e1c7cb93a1cfbf77b9
- SSDEEP
  
  192:jwynuGklwSRteNGDaUs2T0hKXupfKneqoRYMi2xKDvI7Srm:jwD9/egJs2/ukeLNtQvISa
Score

10^/10

discovery exploit persistence privilege_escalation crimsonrat darkcomet dharma revengerat guest defense_evasion evasion execution impact ransomware rat spyware stealer trojan
- CrimsonRAT main payload
- CrimsonRat
  Crimson RAT is a malware linked to a Pakistani-linked threat actor.
  rat crimsonrat
- Darkcomet
  DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
  trojan rat darkcomet
- Dharma
  Dharma is a ransomware that uses security software installation to hide malicious activities.
  ransomware dharma
- Modifies WinLogon for persistence
  persistence
- Modifies Windows Defender Real-time Protection settings
  evasion trojan
- RevengeRAT
  Remote-access trojan with a wide range of capabilities.
  trojan revengerat
- UAC bypass
  evasion trojan
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Renames multiple (565) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- RevengeRat Executable
  stealer
- Disables RegEdit via registry modification
  evasion
- Disables Task Manager via registry modification
  evasion
- Disables use of System Restore points
  evasion
- Downloads MZ/PE file
- Drops file in Drivers directory
- Event Triggered Execution: Image File Execution Options Injection
  persistence
- Modifies Windows Firewall
  evasion
- Possible privilege escalation attempt
  exploit
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  evasion
- Deletes itself
- Drops startup file
- 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.
  persistence privilege_escalation
- Executes dropped EXE
- Impair Defenses: Safe Mode Boot
  defense_evasion
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Uses the VBS compiler for execution
- Adds Run key to start application
  persistence
- Blocklisted process makes network request
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
- Suspicious use of SetThreadContext
behavioral1 behavioral2