Analysis
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max time kernel
15s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
08-11-2020 17:59
Static task
static1
Behavioral task
behavioral1
Sample
9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe
Resource
win10v20201028
General
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Target
9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe
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Size
658KB
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MD5
1725eb7bc1e3ff32883379f880858691
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SHA1
8eb521cc92580a521fee7d3c0f6ee3819c4d6473
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SHA256
9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957
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SHA512
fbcdea7ffb89e89b27b4fb5075ec9262aa71b46323c837d74fcb366b63c899ce80a3bf7887be94206a7f5070940cb15cdf1a68560d7f4adb48ac40451ea78309
Malware Config
Extracted
darkcomet
Guest16_min
90.188.3.4:1604
DCMIN_MUTEX-S7F9Q3A
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InstallPath
DCSCMIN\IMDCSC.exe
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gencode
4SfUlKN3ZUDf
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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
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe -
Executes dropped EXE 1 IoCs
Processes:
IMDCSC.exepid process 2800 IMDCSC.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exeIMDCSC.exedescription pid process Token: SeIncreaseQuotaPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeSecurityPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeTakeOwnershipPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeLoadDriverPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeSystemProfilePrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeSystemtimePrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeProfSingleProcessPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeIncBasePriorityPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeCreatePagefilePrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeBackupPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeRestorePrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeShutdownPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeDebugPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeSystemEnvironmentPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeChangeNotifyPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeRemoteShutdownPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeUndockPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeManageVolumePrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeImpersonatePrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeCreateGlobalPrivilege 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: 33 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: 34 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: 35 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: 36 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe Token: SeIncreaseQuotaPrivilege 2800 IMDCSC.exe Token: SeSecurityPrivilege 2800 IMDCSC.exe Token: SeTakeOwnershipPrivilege 2800 IMDCSC.exe Token: SeLoadDriverPrivilege 2800 IMDCSC.exe Token: SeSystemProfilePrivilege 2800 IMDCSC.exe Token: SeSystemtimePrivilege 2800 IMDCSC.exe Token: SeProfSingleProcessPrivilege 2800 IMDCSC.exe Token: SeIncBasePriorityPrivilege 2800 IMDCSC.exe Token: SeCreatePagefilePrivilege 2800 IMDCSC.exe Token: SeBackupPrivilege 2800 IMDCSC.exe Token: SeRestorePrivilege 2800 IMDCSC.exe Token: SeShutdownPrivilege 2800 IMDCSC.exe Token: SeDebugPrivilege 2800 IMDCSC.exe Token: SeSystemEnvironmentPrivilege 2800 IMDCSC.exe Token: SeChangeNotifyPrivilege 2800 IMDCSC.exe Token: SeRemoteShutdownPrivilege 2800 IMDCSC.exe Token: SeUndockPrivilege 2800 IMDCSC.exe Token: SeManageVolumePrivilege 2800 IMDCSC.exe Token: SeImpersonatePrivilege 2800 IMDCSC.exe Token: SeCreateGlobalPrivilege 2800 IMDCSC.exe Token: 33 2800 IMDCSC.exe Token: 34 2800 IMDCSC.exe Token: 35 2800 IMDCSC.exe Token: 36 2800 IMDCSC.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
IMDCSC.exepid process 2800 IMDCSC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exedescription pid process target process PID 2604 wrote to memory of 2800 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe IMDCSC.exe PID 2604 wrote to memory of 2800 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe IMDCSC.exe PID 2604 wrote to memory of 2800 2604 9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe IMDCSC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe"C:\Users\Admin\AppData\Local\Temp\9037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exeMD5
1725eb7bc1e3ff32883379f880858691
SHA18eb521cc92580a521fee7d3c0f6ee3819c4d6473
SHA2569037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957
SHA512fbcdea7ffb89e89b27b4fb5075ec9262aa71b46323c837d74fcb366b63c899ce80a3bf7887be94206a7f5070940cb15cdf1a68560d7f4adb48ac40451ea78309
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C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exeMD5
1725eb7bc1e3ff32883379f880858691
SHA18eb521cc92580a521fee7d3c0f6ee3819c4d6473
SHA2569037b03b88a3dd5e3515bf032d4616fdfe824d744d2bef8057df542c1b287957
SHA512fbcdea7ffb89e89b27b4fb5075ec9262aa71b46323c837d74fcb366b63c899ce80a3bf7887be94206a7f5070940cb15cdf1a68560d7f4adb48ac40451ea78309
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memory/2800-0-0x0000000000000000-mapping.dmp