Analysis
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max time kernel
141s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12-02-2022 20:45
Static task
static1
Behavioral task
behavioral1
Sample
7c4b6284ce13dad5931046c817c49efd132ac3ffd452bf22b221d434d8ae1262.exe
Resource
win7-en-20211208
General
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Target
7c4b6284ce13dad5931046c817c49efd132ac3ffd452bf22b221d434d8ae1262.exe
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Size
375KB
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MD5
2ff15018669b2651fc34f6c0627fc9c4
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SHA1
87b4287c12773e252f1b5d812524a43f6a7aaead
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SHA256
7c4b6284ce13dad5931046c817c49efd132ac3ffd452bf22b221d434d8ae1262
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SHA512
a1fcdeb3a14a39ba58568a8d74395405d60b8df3571638e7a34f28edc7f64b5a54007716ed16cd942d84fe3d01bb4cf44165b03ebdbccf90f7e9f592e7329c77
Malware Config
Signatures
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Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
Processes:
WerFault.exedescription pid process target process PID 2920 created 3120 2920 WerFault.exe 7c4b6284ce13dad5931046c817c49efd132ac3ffd452bf22b221d434d8ae1262.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Windows directory 9 IoCs
Processes:
svchost.exeTiWorker.exeWerFault.exedescription ioc process File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp WerFault.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2444 3120 WerFault.exe 7c4b6284ce13dad5931046c817c49efd132ac3ffd452bf22b221d434d8ae1262.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WerFault.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WerFault.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WerFault.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
WerFault.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WerFault.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
WerFault.exepid process 2444 WerFault.exe 2444 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
7c4b6284ce13dad5931046c817c49efd132ac3ffd452bf22b221d434d8ae1262.exesvchost.exeTiWorker.exeWerFault.exedescription pid process Token: SeDebugPrivilege 3120 7c4b6284ce13dad5931046c817c49efd132ac3ffd452bf22b221d434d8ae1262.exe Token: SeShutdownPrivilege 884 svchost.exe Token: SeCreatePagefilePrivilege 884 svchost.exe Token: SeShutdownPrivilege 884 svchost.exe Token: SeCreatePagefilePrivilege 884 svchost.exe Token: SeShutdownPrivilege 884 svchost.exe Token: SeCreatePagefilePrivilege 884 svchost.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2444 WerFault.exe Token: SeBackupPrivilege 2444 WerFault.exe Token: SeBackupPrivilege 2444 WerFault.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe Token: SeBackupPrivilege 2388 TiWorker.exe Token: SeRestorePrivilege 2388 TiWorker.exe Token: SeSecurityPrivilege 2388 TiWorker.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
WerFault.exedescription pid process target process PID 2920 wrote to memory of 3120 2920 WerFault.exe 7c4b6284ce13dad5931046c817c49efd132ac3ffd452bf22b221d434d8ae1262.exe PID 2920 wrote to memory of 3120 2920 WerFault.exe 7c4b6284ce13dad5931046c817c49efd132ac3ffd452bf22b221d434d8ae1262.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7c4b6284ce13dad5931046c817c49efd132ac3ffd452bf22b221d434d8ae1262.exe"C:\Users\Admin\AppData\Local\Temp\7c4b6284ce13dad5931046c817c49efd132ac3ffd452bf22b221d434d8ae1262.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 13922⤵
- Drops file in Windows directory
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3120 -ip 31201⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/884-143-0x0000020627380000-0x0000020627390000-memory.dmpFilesize
64KB
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memory/884-145-0x000002062A760000-0x000002062A764000-memory.dmpFilesize
16KB
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memory/884-144-0x0000020627B60000-0x0000020627B70000-memory.dmpFilesize
64KB
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memory/3120-135-0x0000000007520000-0x0000000007521000-memory.dmpFilesize
4KB
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memory/3120-142-0x0000000007524000-0x0000000007526000-memory.dmpFilesize
8KB
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memory/3120-130-0x0000000007530000-0x0000000007AD4000-memory.dmpFilesize
5.6MB
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memory/3120-136-0x0000000007522000-0x0000000007523000-memory.dmpFilesize
4KB
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memory/3120-137-0x0000000007523000-0x0000000007524000-memory.dmpFilesize
4KB
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memory/3120-138-0x0000000007AE0000-0x00000000080F8000-memory.dmpFilesize
6.1MB
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memory/3120-139-0x0000000007430000-0x0000000007442000-memory.dmpFilesize
72KB
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memory/3120-140-0x0000000008100000-0x000000000820A000-memory.dmpFilesize
1.0MB
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memory/3120-141-0x0000000007470000-0x00000000074AC000-memory.dmpFilesize
240KB
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memory/3120-134-0x0000000074F9E000-0x0000000074F9F000-memory.dmpFilesize
4KB
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memory/3120-133-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3120-132-0x00000000049C0000-0x00000000049F9000-memory.dmpFilesize
228KB
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memory/3120-131-0x0000000004990000-0x00000000049BB000-memory.dmpFilesize
172KB
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memory/3120-146-0x0000000008480000-0x00000000084E6000-memory.dmpFilesize
408KB
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memory/3120-147-0x0000000008B20000-0x0000000008B96000-memory.dmpFilesize
472KB
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memory/3120-148-0x0000000008C00000-0x0000000008C92000-memory.dmpFilesize
584KB
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memory/3120-149-0x0000000008DF0000-0x0000000008E0E000-memory.dmpFilesize
120KB
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memory/3120-150-0x0000000008EB0000-0x0000000009072000-memory.dmpFilesize
1.8MB
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memory/3120-151-0x0000000009090000-0x00000000095BC000-memory.dmpFilesize
5.2MB