14d1b1a276cc2ca724d2ad6eeb0d9090c456a3aa11ac80f977911496b3123a91

General

Target

14d1b1a276cc2ca724d2ad6eeb0d9090c456a3aa11ac80f977911496b3123a91.dll
Size

1.1MB
MD5

875071870de4fad3639b04a6b7f3f3fb
SHA1

f5b01b158aabbb104e53e6f4dc76a77b6a928848
SHA256

14d1b1a276cc2ca724d2ad6eeb0d9090c456a3aa11ac80f977911496b3123a91
SHA512

d79c173ae40880505d0d80ac638a973f05b2ee93bbfd910b79e4463bbc32a7a6d3bf023394a678ef56e7c831c8a7a629b5d4740d83d14c62d4b7a1b4a53b596e

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2304 created 4596 2304 WerFault.exe rundll32.exe

description	pid	process	target process
PID 2304 created 4596	2304	WerFault.exe	rundll32.exe

Blocklisted process makes network request 9 IoCs

Processes:

rundll32.exe

flow	pid	process
14	1460	rundll32.exe
25	1460	rundll32.exe
31	1460	rundll32.exe
44	1460	rundll32.exe
48	1460	rundll32.exe
49	1460	rundll32.exe
51	1460	rundll32.exe
52	1460	rundll32.exe
53	1460	rundll32.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.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\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\WindowsUpdate.log	svchost.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1492 4596 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1492	4596	WerFault.exe	rundll32.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

1492 WerFault.exe
1492 WerFault.exe

pid	process
1492	WerFault.exe
1492	WerFault.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

WerFault.exesvchost.exe

description	pid	process
Token: SeRestorePrivilege	1492	WerFault.exe
Token: SeBackupPrivilege	1492	WerFault.exe
Token: SeShutdownPrivilege	204	svchost.exe
Token: SeCreatePagefilePrivilege	204	svchost.exe
Token: SeShutdownPrivilege	204	svchost.exe
Token: SeCreatePagefilePrivilege	204	svchost.exe
Token: SeShutdownPrivilege	204	svchost.exe
Token: SeCreatePagefilePrivilege	204	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exeWerFault.exe

description	pid	process	target process
PID 4676 wrote to memory of 4596	4676	rundll32.exe	rundll32.exe
PID 4676 wrote to memory of 4596	4676	rundll32.exe	rundll32.exe
PID 4676 wrote to memory of 4596	4676	rundll32.exe	rundll32.exe
PID 4596 wrote to memory of 1460	4596	rundll32.exe	rundll32.exe
PID 4596 wrote to memory of 1460	4596	rundll32.exe	rundll32.exe
PID 4596 wrote to memory of 1460	4596	rundll32.exe	rundll32.exe
PID 2304 wrote to memory of 4596	2304	WerFault.exe	rundll32.exe
PID 2304 wrote to memory of 4596	2304	WerFault.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\14d1b1a276cc2ca724d2ad6eeb0d9090c456a3aa11ac80f977911496b3123a91.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4676

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\14d1b1a276cc2ca724d2ad6eeb0d9090c456a3aa11ac80f977911496b3123a91.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:4596

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Local\Temp\14d1b1a276cc2ca724d2ad6eeb0d9090c456a3aa11ac80f977911496b3123a91.dll,f0
3⤵
- Blocklisted process makes network request
PID:1460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 792
3⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4596 -ip 4596
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:2304

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:204

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/204-142-0x0000017955550000-0x0000017955554000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads