Analysis
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max time kernel
145s -
max time network
188s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
13-05-2021 12:55
Static task
static1
Behavioral task
behavioral1
Sample
63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
Resource
win10v20210410
General
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Target
63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe
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Size
667KB
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MD5
52284a58b470d6357c687091e5844125
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SHA1
f4e9af57952c54cff18e91dbc33600ad5a22662a
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SHA256
63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd
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SHA512
914ebbe51e00215beda54a13a5412c4cad7aaec67bd93b3dcc62e28a259eb4ccb550ec179fd7b3ddecfcaec8416dd2d7fa0cd221e1b7a3ad696519c27eaabef9
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\svchost.exe" 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 1976 svchost.exe -
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" svchost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
svchost.exe63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\svchost.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\svchost.exe" 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe -
Drops file in Windows directory 3 IoCs
Processes:
63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exedescription ioc process File opened for modification C:\Windows\svchost.exe 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe File opened for modification C:\Windows\ 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe File created C:\Windows\svchost.exe 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.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:
63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exesvchost.exedescription pid process Token: SeIncreaseQuotaPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeSecurityPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeTakeOwnershipPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeLoadDriverPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeSystemProfilePrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeSystemtimePrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeProfSingleProcessPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeIncBasePriorityPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeCreatePagefilePrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeBackupPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeRestorePrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeShutdownPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeDebugPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeSystemEnvironmentPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeChangeNotifyPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeRemoteShutdownPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeUndockPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeManageVolumePrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeImpersonatePrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeCreateGlobalPrivilege 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: 33 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: 34 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: 35 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe Token: SeIncreaseQuotaPrivilege 1976 svchost.exe Token: SeSecurityPrivilege 1976 svchost.exe Token: SeTakeOwnershipPrivilege 1976 svchost.exe Token: SeLoadDriverPrivilege 1976 svchost.exe Token: SeSystemProfilePrivilege 1976 svchost.exe Token: SeSystemtimePrivilege 1976 svchost.exe Token: SeProfSingleProcessPrivilege 1976 svchost.exe Token: SeIncBasePriorityPrivilege 1976 svchost.exe Token: SeCreatePagefilePrivilege 1976 svchost.exe Token: SeBackupPrivilege 1976 svchost.exe Token: SeRestorePrivilege 1976 svchost.exe Token: SeShutdownPrivilege 1976 svchost.exe Token: SeDebugPrivilege 1976 svchost.exe Token: SeSystemEnvironmentPrivilege 1976 svchost.exe Token: SeChangeNotifyPrivilege 1976 svchost.exe Token: SeRemoteShutdownPrivilege 1976 svchost.exe Token: SeUndockPrivilege 1976 svchost.exe Token: SeManageVolumePrivilege 1976 svchost.exe Token: SeImpersonatePrivilege 1976 svchost.exe Token: SeCreateGlobalPrivilege 1976 svchost.exe Token: 33 1976 svchost.exe Token: 34 1976 svchost.exe Token: 35 1976 svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
svchost.exepid process 1976 svchost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exedescription pid process target process PID 1852 wrote to memory of 1976 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe svchost.exe PID 1852 wrote to memory of 1976 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe svchost.exe PID 1852 wrote to memory of 1976 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe svchost.exe PID 1852 wrote to memory of 1976 1852 63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe"C:\Users\Admin\AppData\Local\Temp\63d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\svchost.exe"C:\Windows\svchost.exe"2⤵
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- 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:\Windows\svchost.exeMD5
52284a58b470d6357c687091e5844125
SHA1f4e9af57952c54cff18e91dbc33600ad5a22662a
SHA25663d70b8cabe3b497be9612ddc8de5e0e1c5f8832a28d2bb4c165096f2c5767dd
SHA512914ebbe51e00215beda54a13a5412c4cad7aaec67bd93b3dcc62e28a259eb4ccb550ec179fd7b3ddecfcaec8416dd2d7fa0cd221e1b7a3ad696519c27eaabef9
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memory/1852-59-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB
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memory/1852-60-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1976-61-0x0000000000000000-mapping.dmp
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memory/1976-64-0x00000000001D0000-0x00000000001D1000-memory.dmpFilesize
4KB