a030b0b0a0cf889797334ad1b220452875ac1c7ecfd1f334ee9c124befc1d920

General

Target

03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1.exe
Size

375KB
MD5

982b585a37095e9457f3413990798e43
SHA1

1bf0a97b6d313c2957d5b5125307af858975576f
SHA256

03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1
SHA512

2f02da5bcba74152a7e726a8e7a0c0971e3a17aacca6de06f9a6c5005ba6057fee5e62c72f3aa4f52dc8eefcf03e3355941908d8b3433051b6baea991b807f2e

Score

10^/10

discovery spyware stealer

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1688 created 3060 1688 WerFault.exe 03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1.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 1688 created 3060	1688	WerFault.exe	03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1.exe

Drops file in Windows directory 9 IoCs

Processes:

svchost.exeTiWorker.exeWerFault.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	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 opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	WerFault.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4544 3060 WerFault.exe 03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1.exe

pid	pid_target	process	target process
4544	3060	WerFault.exe	03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1.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

4544 WerFault.exe
4544 WerFault.exe

pid	process
4544	WerFault.exe
4544	WerFault.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1.exesvchost.exeTiWorker.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	3060	03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1.exe
Token: SeShutdownPrivilege	3492	svchost.exe
Token: SeCreatePagefilePrivilege	3492	svchost.exe
Token: SeShutdownPrivilege	3492	svchost.exe
Token: SeCreatePagefilePrivilege	3492	svchost.exe
Token: SeShutdownPrivilege	3492	svchost.exe
Token: SeCreatePagefilePrivilege	3492	svchost.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4544	WerFault.exe
Token: SeBackupPrivilege	4544	WerFault.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4544	WerFault.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe
Token: SeBackupPrivilege	4388	TiWorker.exe
Token: SeRestorePrivilege	4388	TiWorker.exe
Token: SeSecurityPrivilege	4388	TiWorker.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WerFault.exe

description	pid	process	target process
PID 1688 wrote to memory of 3060	1688	WerFault.exe	03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1.exe
PID 1688 wrote to memory of 3060	1688	WerFault.exe	03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1.exe

C:\Users\Admin\AppData\Local\Temp\03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1.exe
"C:\Users\Admin\AppData\Local\Temp\03c8de40b02622c643d4c91ad58aaf9d3242db9f67b6b8193900df1c4014aee1.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 1408
2⤵
- Drops file in Windows directory
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4544

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:3492

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:4388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3060 -ip 3060
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1688

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/3060-143-0x0000000008050000-0x000000000815A000-memory.dmp

Filesize
1.0MB

Download
memory/3060-135-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3060-144-0x0000000008160000-0x000000000819C000-memory.dmp

Filesize
240KB

Download
memory/3060-136-0x00000000750EE000-0x00000000750EF000-memory.dmp

Filesize
4KB

Download
memory/3060-138-0x0000000004D62000-0x0000000004D63000-memory.dmp

Filesize
4KB

Download
memory/3060-137-0x0000000004D60000-0x0000000004D61000-memory.dmp

Filesize
4KB

Download
memory/3060-139-0x0000000004D63000-0x0000000004D64000-memory.dmp

Filesize
4KB

Download
memory/3060-140-0x0000000007480000-0x0000000007A24000-memory.dmp

Filesize
5.6MB

Download
memory/3060-145-0x0000000004D64000-0x0000000004D66000-memory.dmp

Filesize
8KB

Download
memory/3060-142-0x00000000050F0000-0x0000000005102000-memory.dmp

Filesize
72KB

Download
memory/3060-154-0x00000000091C0000-0x00000000096EC000-memory.dmp

Filesize
5.2MB

Download
memory/3060-134-0x0000000002ED0000-0x0000000002F09000-memory.dmp

Filesize
228KB

Download
memory/3060-141-0x0000000007A30000-0x0000000008048000-memory.dmp

Filesize
6.1MB

Download
memory/3060-133-0x0000000002EA0000-0x0000000002ECB000-memory.dmp

Filesize
172KB

Download
memory/3060-153-0x0000000008FF0000-0x00000000091B2000-memory.dmp

Filesize
1.8MB

Download
memory/3060-152-0x0000000008DF0000-0x0000000008E0E000-memory.dmp

Filesize
120KB

Download
memory/3060-149-0x0000000008480000-0x0000000008512000-memory.dmp

Filesize
584KB

Download
memory/3060-150-0x0000000008520000-0x0000000008586000-memory.dmp

Filesize
408KB

Download
memory/3060-151-0x0000000008D00000-0x0000000008D76000-memory.dmp

Filesize
472KB

Download
memory/3492-148-0x000002BAFE300000-0x000002BAFE304000-memory.dmp

Filesize
16KB

Download
memory/3492-147-0x000002BAFDC20000-0x000002BAFDC30000-memory.dmp

Filesize
64KB

Download
memory/3492-146-0x000002BAFD580000-0x000002BAFD590000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads