General
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Target
OptiFine_1.19.4_HD_U_I4.jar
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Size
6.7MB
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Sample
241029-g7hq9avkgv
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MD5
2e58bf463ec7e9964fe381a5afc17da1
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SHA1
40a44c00d4f06ba82e97b8eb71aab3823f4e9d93
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SHA256
2c010bcae341cf1003c194a4b566a0cb0c8dff2443d2f9fbd9e7a2d9abc8af6a
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SHA512
94d0673370168322cc6ba5ae7bc9ad5d5c4246aa10f8929239dedc25639255c807c32ea248ee751c42aed9ca61cf37ab391d7d3a9ba57bc643e091c9ef4009d1
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SSDEEP
98304:+4T54pxq3gbAuFu0Lw6jEKuBj036dh1KyMH9vPMDNgPjDbHA:+4TCxq3gtFuiWKufdh1jA9H7LPg
Static task
static1
Malware Config
Extracted
darkcomet
tereefds
10.127.0.205:1604
DCMIN_MUTEX-69DVLDW
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InstallPath
DCSCMIN\IMDCSC.exe
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gencode
eFZw5QzKBPc5
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
DarkComet RAT
Targets
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Target
OptiFine_1.19.4_HD_U_I4.jar
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Size
6.7MB
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MD5
2e58bf463ec7e9964fe381a5afc17da1
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SHA1
40a44c00d4f06ba82e97b8eb71aab3823f4e9d93
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SHA256
2c010bcae341cf1003c194a4b566a0cb0c8dff2443d2f9fbd9e7a2d9abc8af6a
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SHA512
94d0673370168322cc6ba5ae7bc9ad5d5c4246aa10f8929239dedc25639255c807c32ea248ee751c42aed9ca61cf37ab391d7d3a9ba57bc643e091c9ef4009d1
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SSDEEP
98304:+4T54pxq3gbAuFu0Lw6jEKuBj036dh1KyMH9vPMDNgPjDbHA:+4TCxq3gtFuiWKufdh1jA9H7LPg
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Darkcomet family
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Modifies WinLogon for persistence
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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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Adds Run key to start application
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1