General
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Target
JaffaCakes118_c21799fc876c054de396b11942c735fa
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Size
828KB
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Sample
250419-kszm1atnt2
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MD5
c21799fc876c054de396b11942c735fa
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SHA1
f01e99934fe4ca461a5b695517e7c59490025687
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SHA256
3df37e035317c8001ce5355b62af3e3351e479ca9ebefe6be9c18470c7b085f6
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SHA512
ef1d217a4c84e131af5ac6144668012a2eeba93a012ae258ab2a9bba6a628a5945d20a259221a86ddf2874f9e7928e6a95a9104217678d819cf94abbaef3d926
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SSDEEP
12288:4ibLWFh09ebdkr7d8cZud+BR0/g12NxZtw9mUCcm8Qv6tw61kE4w9yoF8X/J:HbLUB5kr7Ju4RGE2Nx1txv6SE4ayo+PJ
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_c21799fc876c054de396b11942c735fa.exe
Resource
win10v2004-20250410-en
Behavioral task
behavioral2
Sample
JaffaCakes118_c21799fc876c054de396b11942c735fa.exe
Resource
win11-20250410-en
Malware Config
Extracted
darkcomet
Guest16
windowsmicro.serveirc.com:1604
DC_MUTEX-M3ERYBD
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InstallPath
Windupdt\winupdate.exe
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gencode
+PqBauwtUyWv
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install
true
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offline_keylogger
true
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password
versager
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persistence
true
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reg_key
winupdater
Targets
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Target
JaffaCakes118_c21799fc876c054de396b11942c735fa
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Size
828KB
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MD5
c21799fc876c054de396b11942c735fa
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SHA1
f01e99934fe4ca461a5b695517e7c59490025687
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SHA256
3df37e035317c8001ce5355b62af3e3351e479ca9ebefe6be9c18470c7b085f6
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SHA512
ef1d217a4c84e131af5ac6144668012a2eeba93a012ae258ab2a9bba6a628a5945d20a259221a86ddf2874f9e7928e6a95a9104217678d819cf94abbaef3d926
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SSDEEP
12288:4ibLWFh09ebdkr7d8cZud+BR0/g12NxZtw9mUCcm8Qv6tw61kE4w9yoF8X/J:HbLUB5kr7Ju4RGE2Nx1txv6SE4ayo+PJ
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Darkcomet family
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Modifies WinLogon for persistence
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Modifies firewall policy service
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Modifies security service
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Windows security bypass
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Windows security modification
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Adds Run key to start application
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
6