28b1df5f4fc3b60bc9045270f254c86624d6f85e7aa5c7322943aed04d65fefa

Analysis

max time kernel
138s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
24-02-2022 23:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4.exe
Size

31KB
MD5

d0c228e4d8cc9a29f6073be657ebe2f2
SHA1

4d307f43584f67a0522838fcbf5824203281bf24
SHA256

28b1df5f4fc3b60bc9045270f254c86624d6f85e7aa5c7322943aed04d65fefa
SHA512

97c0a1770871b2d45ad8102c083fdac4bde9b7cfacf0955894bd53546865ac66431f8380ec72f01a545b76142dc350ec0f4cc392561a5152d351ac51da9eea63

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3380 created 2348	3380	WerFault.exe	77

Program crash 1 IoCs

pid	pid_target	Process	procid_target
380	2348	WerFault.exe	77

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

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

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

pid	Process
380	WerFault.exe
380	WerFault.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	380	WerFault.exe
Token: SeBackupPrivilege	380	WerFault.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 2348	3380	WerFault.exe	77
PID 3380 wrote to memory of 2348	3380	WerFault.exe	77

C:\Users\Admin\AppData\Local\Temp\4.exe
"C:\Users\Admin\AppData\Local\Temp\4.exe"
1⤵
PID:2348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 224
  2⤵
  - Program crash
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2348 -ip 2348
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:3380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads