c437dd6e7c079db628be0eaf74d1e532984529599ea6d6130273112f1470f428

General

Target

44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094.exe
Size

378KB
MD5

097ba4f8503bac3a54e8f9ba9256531e
SHA1

7b0e72bcc8038971cae5329baf8239fb2a22504c
SHA256

44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094
SHA512

0f390c2f2b58f7b4214b9f1683fdd74e5e0d35b37a3dff87143dc6147f22a1a3fb4fdce43fd3eff3e4614f5a737c7be9cef07ce885e4ce78934b3397dd6b5c2b

Score

10^/10

discovery spyware stealer

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2092 created 4392 2092 WerFault.exe 44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

description	pid	process	target process
PID 2092 created 4392	2092	WerFault.exe	44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094.exe

Drops file in Windows directory 8 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
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

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3588 4392 WerFault.exe 44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094.exe

pid	pid_target	process	target process
3588	4392	WerFault.exe	44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

3588 WerFault.exe
3588 WerFault.exe

pid	process
3588	WerFault.exe
3588	WerFault.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094.exesvchost.exeWerFault.exeTiWorker.exe

description	pid	process
Token: SeDebugPrivilege	4392	44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094.exe
Token: SeShutdownPrivilege	3000	svchost.exe
Token: SeCreatePagefilePrivilege	3000	svchost.exe
Token: SeShutdownPrivilege	3000	svchost.exe
Token: SeCreatePagefilePrivilege	3000	svchost.exe
Token: SeRestorePrivilege	3588	WerFault.exe
Token: SeBackupPrivilege	3588	WerFault.exe
Token: SeShutdownPrivilege	3000	svchost.exe
Token: SeCreatePagefilePrivilege	3000	svchost.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe
Token: SeRestorePrivilege	624	TiWorker.exe
Token: SeSecurityPrivilege	624	TiWorker.exe
Token: SeBackupPrivilege	624	TiWorker.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WerFault.exe

description	pid	process	target process
PID 2092 wrote to memory of 4392	2092	WerFault.exe	44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094.exe
PID 2092 wrote to memory of 4392	2092	WerFault.exe	44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094.exe

C:\Users\Admin\AppData\Local\Temp\44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094.exe
"C:\Users\Admin\AppData\Local\Temp\44e31540031873ae386202304a5078b4816bf7e4aa1c7358d6083c07faed8094.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 1400
2⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4392 -ip 4392
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:2092

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:3000

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:624

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3000-150-0x000001D8AE3A0000-0x000001D8AE3B0000-memory.dmp

Filesize
64KB

Download
memory/3000-152-0x000001D8B1020000-0x000001D8B1024000-memory.dmp

Filesize
16KB

Download
memory/3000-151-0x000001D8AE920000-0x000001D8AE930000-memory.dmp

Filesize
64KB

Download
memory/4392-140-0x0000000005830000-0x0000000005842000-memory.dmp

Filesize
72KB

Download
memory/4392-142-0x0000000004C54000-0x0000000004C56000-memory.dmp

Filesize
8KB

Download
memory/4392-134-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/4392-136-0x0000000004C52000-0x0000000004C53000-memory.dmp

Filesize
4KB

Download
memory/4392-137-0x0000000004C53000-0x0000000004C54000-memory.dmp

Filesize
4KB

Download
memory/4392-138-0x0000000004C60000-0x0000000005204000-memory.dmp

Filesize
5.6MB

Download
memory/4392-139-0x0000000005210000-0x0000000005828000-memory.dmp

Filesize
6.1MB

Download
memory/4392-130-0x000000000060E000-0x000000000063A000-memory.dmp

Filesize
176KB

Download
memory/4392-141-0x0000000005850000-0x000000000595A000-memory.dmp

Filesize
1.0MB

Download
memory/4392-135-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/4392-143-0x0000000005970000-0x00000000059AC000-memory.dmp

Filesize
240KB

Download
memory/4392-144-0x0000000005C90000-0x0000000005CF6000-memory.dmp

Filesize
408KB

Download
memory/4392-145-0x0000000006330000-0x00000000063C2000-memory.dmp

Filesize
584KB

Download
memory/4392-146-0x00000000063E0000-0x0000000006456000-memory.dmp

Filesize
472KB

Download
memory/4392-147-0x0000000006500000-0x000000000651E000-memory.dmp

Filesize
120KB

Download
memory/4392-148-0x00000000066D0000-0x0000000006892000-memory.dmp

Filesize
1.8MB

Download
memory/4392-149-0x00000000068A0000-0x0000000006DCC000-memory.dmp

Filesize
5.2MB

Download
memory/4392-133-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4392-132-0x00000000021C0000-0x00000000021F9000-memory.dmp

Filesize
228KB

Download
memory/4392-131-0x000000000060E000-0x000000000063A000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads