Analysis
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max time kernel
171s -
max time network
195s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 05:32
Static task
static1
Behavioral task
behavioral1
Sample
c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe
Resource
win10v2004-20220812-en
General
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Target
c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe
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Size
719KB
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MD5
3acce031a32ede50b23252c1ee0b6303
-
SHA1
52f9df300181cb6c0f87aa9a1b5f344997d9092b
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SHA256
c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238
-
SHA512
e96b4e21b0590598493377d13460ed043fd092da3ebe8e6f39d6baf0c001e7e6d5a3fe3556447d06a6cd349d1a40c085cc5f347718338812a1106699db1e9357
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SSDEEP
12288:mbFenA3ajdvPOFU6KRXqAFdaQ8bAsxZS1eiuBRiO0rVGOsr1dXf7WPAa0paLcfeR:mbFengulOFU6eqidF8b7SciuBgTGXrbg
Malware Config
Extracted
darkcomet
Booter
connecttome.no-ip.biz:2000
DC_MUTEX-EERK2UQ
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gencode
hjSim3V9N4tt
-
install
false
-
offline_keylogger
true
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persistence
false
Signatures
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Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 1340 svchost.exe -
Loads dropped DLL 1 IoCs
Processes:
c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exepid process 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Startup Key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe" c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exedescription pid process target process PID 968 set thread context of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.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 24 IoCs
Processes:
c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exesvchost.exedescription pid process Token: SeDebugPrivilege 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe Token: SeIncreaseQuotaPrivilege 1340 svchost.exe Token: SeSecurityPrivilege 1340 svchost.exe Token: SeTakeOwnershipPrivilege 1340 svchost.exe Token: SeLoadDriverPrivilege 1340 svchost.exe Token: SeSystemProfilePrivilege 1340 svchost.exe Token: SeSystemtimePrivilege 1340 svchost.exe Token: SeProfSingleProcessPrivilege 1340 svchost.exe Token: SeIncBasePriorityPrivilege 1340 svchost.exe Token: SeCreatePagefilePrivilege 1340 svchost.exe Token: SeBackupPrivilege 1340 svchost.exe Token: SeRestorePrivilege 1340 svchost.exe Token: SeShutdownPrivilege 1340 svchost.exe Token: SeDebugPrivilege 1340 svchost.exe Token: SeSystemEnvironmentPrivilege 1340 svchost.exe Token: SeChangeNotifyPrivilege 1340 svchost.exe Token: SeRemoteShutdownPrivilege 1340 svchost.exe Token: SeUndockPrivilege 1340 svchost.exe Token: SeManageVolumePrivilege 1340 svchost.exe Token: SeImpersonatePrivilege 1340 svchost.exe Token: SeCreateGlobalPrivilege 1340 svchost.exe Token: 33 1340 svchost.exe Token: 34 1340 svchost.exe Token: 35 1340 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
svchost.exepid process 1340 svchost.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exedescription pid process target process PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe PID 968 wrote to memory of 1340 968 c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe"C:\Users\Admin\AppData\Local\Temp\c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\svchost.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\svchost.exeFilesize
31KB
MD5ed797d8dc2c92401985d162e42ffa450
SHA10f02fc517c7facc4baefde4fe9467fb6488ebabe
SHA256b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e
SHA512e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2
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\Users\Admin\AppData\Local\Temp\svchost.exeFilesize
31KB
MD5ed797d8dc2c92401985d162e42ffa450
SHA10f02fc517c7facc4baefde4fe9467fb6488ebabe
SHA256b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e
SHA512e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2
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memory/968-54-0x0000000076091000-0x0000000076093000-memory.dmpFilesize
8KB
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memory/968-55-0x00000000744B0000-0x0000000074A5B000-memory.dmpFilesize
5.7MB
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memory/968-56-0x00000000744B0000-0x0000000074A5B000-memory.dmpFilesize
5.7MB
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memory/968-80-0x0000000000246000-0x0000000000257000-memory.dmpFilesize
68KB
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memory/968-79-0x00000000744B0000-0x0000000074A5B000-memory.dmpFilesize
5.7MB
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memory/1340-68-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-73-0x0000000000490888-mapping.dmp
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memory/1340-67-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-63-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-70-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-72-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-61-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-65-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-75-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-77-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-78-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-59-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-58-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB
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memory/1340-81-0x0000000000400000-0x00000000004B5000-memory.dmpFilesize
724KB