General
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Target
untitled.obj
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Size
951B
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Sample
241227-v38zjaxpap
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MD5
594a3d20cc63f17655b4e6243629a234
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SHA1
d43a403bfb64c9e64c0bb76905135a8d07d6734e
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SHA256
dcd1a1741e817ab00a3385bbe5ad93e1fecf25dd36defa8c781f9c87b49c1ba8
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SHA512
0055999cc0ff9251c819c4192a10a04a6085780abe5ab08e25228436b2e099b85cd20eab9beb9113ed463a09f52320ed1578a8c3a24927cfe598821ac58a049c
Static task
static1
Behavioral task
behavioral1
Sample
untitled.obj
Resource
win11-20241023-en
Malware Config
Extracted
crimsonrat
185.136.161.124
Targets
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Target
untitled.obj
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Size
951B
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MD5
594a3d20cc63f17655b4e6243629a234
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SHA1
d43a403bfb64c9e64c0bb76905135a8d07d6734e
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SHA256
dcd1a1741e817ab00a3385bbe5ad93e1fecf25dd36defa8c781f9c87b49c1ba8
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SHA512
0055999cc0ff9251c819c4192a10a04a6085780abe5ab08e25228436b2e099b85cd20eab9beb9113ed463a09f52320ed1578a8c3a24927cfe598821ac58a049c
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CrimsonRAT main payload
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Crimsonrat family
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Downloads MZ/PE file
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Drops file in Drivers directory
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A potential corporate email address has been identified in the URL: [email protected]
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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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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Adds Run key to start application
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Checks for any installed AV software in registry
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Enumerates processes with tasklist
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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Modify Registry
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3