Analysis
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max time kernel
148s -
max time network
43s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 19:16
Behavioral task
behavioral1
Sample
287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe
Resource
win10v2004-20220414-en
General
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Target
287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe
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Size
349KB
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MD5
2c0d429589bc6ff62344c943b0db8def
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SHA1
602c64345157856e174eb001d2a2b81346117094
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SHA256
287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287
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SHA512
c661e141a6492369ca45911af5740ce1bb7d85117f3f113da07cf22d83bef911036c7d06b4a5cbacca738e73075b09e476bdca16fa0a9beb5d471bcf9f48f649
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 1484 msdcsc.exe -
Processes:
resource yara_rule behavioral1/files/0x000a00000001230d-55.dat upx behavioral1/files/0x000a00000001230d-56.dat upx behavioral1/files/0x000a00000001230d-58.dat upx behavioral1/files/0x000a00000001230d-60.dat upx -
Loads dropped DLL 2 IoCs
Processes:
287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exepid process 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.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 46 IoCs
Processes:
287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeSecurityPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeTakeOwnershipPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeLoadDriverPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeSystemProfilePrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeSystemtimePrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeProfSingleProcessPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeIncBasePriorityPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeCreatePagefilePrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeBackupPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeRestorePrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeShutdownPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeDebugPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeSystemEnvironmentPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeChangeNotifyPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeRemoteShutdownPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeUndockPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeManageVolumePrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeImpersonatePrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeCreateGlobalPrivilege 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: 33 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: 34 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: 35 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe Token: SeIncreaseQuotaPrivilege 1484 msdcsc.exe Token: SeSecurityPrivilege 1484 msdcsc.exe Token: SeTakeOwnershipPrivilege 1484 msdcsc.exe Token: SeLoadDriverPrivilege 1484 msdcsc.exe Token: SeSystemProfilePrivilege 1484 msdcsc.exe Token: SeSystemtimePrivilege 1484 msdcsc.exe Token: SeProfSingleProcessPrivilege 1484 msdcsc.exe Token: SeIncBasePriorityPrivilege 1484 msdcsc.exe Token: SeCreatePagefilePrivilege 1484 msdcsc.exe Token: SeBackupPrivilege 1484 msdcsc.exe Token: SeRestorePrivilege 1484 msdcsc.exe Token: SeShutdownPrivilege 1484 msdcsc.exe Token: SeDebugPrivilege 1484 msdcsc.exe Token: SeSystemEnvironmentPrivilege 1484 msdcsc.exe Token: SeChangeNotifyPrivilege 1484 msdcsc.exe Token: SeRemoteShutdownPrivilege 1484 msdcsc.exe Token: SeUndockPrivilege 1484 msdcsc.exe Token: SeManageVolumePrivilege 1484 msdcsc.exe Token: SeImpersonatePrivilege 1484 msdcsc.exe Token: SeCreateGlobalPrivilege 1484 msdcsc.exe Token: 33 1484 msdcsc.exe Token: 34 1484 msdcsc.exe Token: 35 1484 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 1484 msdcsc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exedescription pid process target process PID 1684 wrote to memory of 1484 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe msdcsc.exe PID 1684 wrote to memory of 1484 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe msdcsc.exe PID 1684 wrote to memory of 1484 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe msdcsc.exe PID 1684 wrote to memory of 1484 1684 287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe msdcsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe"C:\Users\Admin\AppData\Local\Temp\287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287.exe"
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Downloads
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exeFilesize
349KB
MD52c0d429589bc6ff62344c943b0db8def
SHA1602c64345157856e174eb001d2a2b81346117094
SHA256287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287
SHA512c661e141a6492369ca45911af5740ce1bb7d85117f3f113da07cf22d83bef911036c7d06b4a5cbacca738e73075b09e476bdca16fa0a9beb5d471bcf9f48f649
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exeFilesize
349KB
MD52c0d429589bc6ff62344c943b0db8def
SHA1602c64345157856e174eb001d2a2b81346117094
SHA256287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287
SHA512c661e141a6492369ca45911af5740ce1bb7d85117f3f113da07cf22d83bef911036c7d06b4a5cbacca738e73075b09e476bdca16fa0a9beb5d471bcf9f48f649
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\Users\Admin\Documents\MSDCSC\msdcsc.exeFilesize
349KB
MD52c0d429589bc6ff62344c943b0db8def
SHA1602c64345157856e174eb001d2a2b81346117094
SHA256287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287
SHA512c661e141a6492369ca45911af5740ce1bb7d85117f3f113da07cf22d83bef911036c7d06b4a5cbacca738e73075b09e476bdca16fa0a9beb5d471bcf9f48f649
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\Users\Admin\Documents\MSDCSC\msdcsc.exeFilesize
349KB
MD52c0d429589bc6ff62344c943b0db8def
SHA1602c64345157856e174eb001d2a2b81346117094
SHA256287fe2a88eaa68427924f8cd4204bd39cdc5a1d61140bf6c0e4779636445d287
SHA512c661e141a6492369ca45911af5740ce1bb7d85117f3f113da07cf22d83bef911036c7d06b4a5cbacca738e73075b09e476bdca16fa0a9beb5d471bcf9f48f649
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memory/1484-57-0x0000000000000000-mapping.dmp
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memory/1684-54-0x0000000076431000-0x0000000076433000-memory.dmpFilesize
8KB