1375e3516d8202ca292152945dff3b8333e5edd705288c682910fd033a0ceefc

General

Target

1375e3516d8202ca292152945dff3b8333e5edd705288c682910fd033a0ceefc.exe
Size

100KB
MD5

4bcd89160708645b32c5d0a6074c2804
SHA1

d6f00f88d5ea4ffd4731e827bf2203cd22d6ac61
SHA256

1375e3516d8202ca292152945dff3b8333e5edd705288c682910fd033a0ceefc
SHA512

bdcf9a767602366c3b9f1cfd01d196c89ccd89eae3bf511ab4844e85dc894f7b5649dc2c3304855490178f9ec7364874bd9c98e420b10e9d20378086649e0668

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2160 created 3932 2160 WerFault.exe 1375e3516d8202ca292152945dff3b8333e5edd705288c682910fd033a0ceefc.exe

description	pid	process	target process
PID 2160 created 3932	2160	WerFault.exe	1375e3516d8202ca292152945dff3b8333e5edd705288c682910fd033a0ceefc.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2312 3932 WerFault.exe 1375e3516d8202ca292152945dff3b8333e5edd705288c682910fd033a0ceefc.exe

pid	pid_target	process	target process
2312	3932	WerFault.exe	1375e3516d8202ca292152945dff3b8333e5edd705288c682910fd033a0ceefc.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
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

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	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.exe

pid process

2312 WerFault.exe
2312 WerFault.exe

pid	process
2312	WerFault.exe
2312	WerFault.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

WerFault.exesvchost.exeTiWorker.exe

description	pid	process
Token: SeRestorePrivilege	2312	WerFault.exe
Token: SeBackupPrivilege	2312	WerFault.exe
Token: SeShutdownPrivilege	2032	svchost.exe
Token: SeCreatePagefilePrivilege	2032	svchost.exe
Token: SeShutdownPrivilege	2032	svchost.exe
Token: SeCreatePagefilePrivilege	2032	svchost.exe
Token: SeShutdownPrivilege	2032	svchost.exe
Token: SeCreatePagefilePrivilege	2032	svchost.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe
Token: SeSecurityPrivilege	4212	TiWorker.exe
Token: SeBackupPrivilege	4212	TiWorker.exe
Token: SeRestorePrivilege	4212	TiWorker.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WerFault.exe

description	pid	process	target process
PID 2160 wrote to memory of 3932	2160	WerFault.exe	1375e3516d8202ca292152945dff3b8333e5edd705288c682910fd033a0ceefc.exe
PID 2160 wrote to memory of 3932	2160	WerFault.exe	1375e3516d8202ca292152945dff3b8333e5edd705288c682910fd033a0ceefc.exe

C:\Users\Admin\AppData\Local\Temp\1375e3516d8202ca292152945dff3b8333e5edd705288c682910fd033a0ceefc.exe
"C:\Users\Admin\AppData\Local\Temp\1375e3516d8202ca292152945dff3b8333e5edd705288c682910fd033a0ceefc.exe"
1⤵
PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 348
2⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3932 -ip 3932
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:2160

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2032

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2032-130-0x0000020341B90000-0x0000020341BA0000-memory.dmp

Filesize
64KB

Download
memory/2032-131-0x0000020342120000-0x0000020342130000-memory.dmp

Filesize
64KB

Download
memory/2032-132-0x0000020344810000-0x0000020344814000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads