Analysis
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max time kernel
175s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2022, 11:53
Static task
static1
Behavioral task
behavioral1
Sample
ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe
Resource
win10v2004-20220812-en
General
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Target
ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe
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Size
782KB
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MD5
63eadfafe6bf9323ce4a47536ceeb040
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SHA1
b7e7c9bd6ddcd51d9d486d8fa5c71a23d0abb7bc
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SHA256
ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0
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SHA512
9d4c3d422d43859ae4766f8e8d15fd9bd2d4012422ff2760472b04a28bb918dd34a14cc7929dfcafe93df4d859dce211c059d40f348b893b59e05f0dae40abcc
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SSDEEP
12288:iMbL4uzi/ws7tIf3/b9IJVGuBIDX0tRodbxT9gr5vIBwvOjldFLU:bbc0i4ff3EGuBa9IIi2dLU
Malware Config
Extracted
darkcomet
.iLL
savoritz.no-ip.biz:1604
DC_MUTEX-8DY6RDR
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gencode
dfjJdYiurW9f
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install
false
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offline_keylogger
true
-
persistence
false
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4512 rundll32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windowsfirewall = "C:\\Users\\Admin\\AppData\\Roaming\\windowsfirewall.exe" ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1388 set thread context of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 -
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
description pid Process Token: SeIncreaseQuotaPrivilege 4512 rundll32.exe Token: SeSecurityPrivilege 4512 rundll32.exe Token: SeTakeOwnershipPrivilege 4512 rundll32.exe Token: SeLoadDriverPrivilege 4512 rundll32.exe Token: SeSystemProfilePrivilege 4512 rundll32.exe Token: SeSystemtimePrivilege 4512 rundll32.exe Token: SeProfSingleProcessPrivilege 4512 rundll32.exe Token: SeIncBasePriorityPrivilege 4512 rundll32.exe Token: SeCreatePagefilePrivilege 4512 rundll32.exe Token: SeBackupPrivilege 4512 rundll32.exe Token: SeRestorePrivilege 4512 rundll32.exe Token: SeShutdownPrivilege 4512 rundll32.exe Token: SeDebugPrivilege 4512 rundll32.exe Token: SeSystemEnvironmentPrivilege 4512 rundll32.exe Token: SeChangeNotifyPrivilege 4512 rundll32.exe Token: SeRemoteShutdownPrivilege 4512 rundll32.exe Token: SeUndockPrivilege 4512 rundll32.exe Token: SeManageVolumePrivilege 4512 rundll32.exe Token: SeImpersonatePrivilege 4512 rundll32.exe Token: SeCreateGlobalPrivilege 4512 rundll32.exe Token: 33 4512 rundll32.exe Token: 34 4512 rundll32.exe Token: 35 4512 rundll32.exe Token: 36 4512 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4512 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85 PID 1388 wrote to memory of 4512 1388 ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe"C:\Users\Admin\AppData\Local\Temp\ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Users\Admin\AppData\Local\Temp\plugtmp\rundll32.exeC:\Users\Admin\AppData\Local\Temp\\plugtmp\rundll32.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4512
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.1MB
MD5d881de17aa8f2e2c08cbb7b265f928f9
SHA108936aebc87decf0af6e8eada191062b5e65ac2a
SHA256b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA5125f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
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Filesize
1.1MB
MD5d881de17aa8f2e2c08cbb7b265f928f9
SHA108936aebc87decf0af6e8eada191062b5e65ac2a
SHA256b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA5125f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34