728087f0de4d37e5a8a4085fbb9e4de2105d8062b84070b2be4e088f5693359b

General

Target

728087f0de4d37e5a8a4085fbb9e4de2105d8062b84070b2be4e088f5693359b.exe
Size

172KB
MD5

b58768f7953caf0ef531e45e46f57a28
SHA1

b277dd92baee01d32120f763ffce7067166e4391
SHA256

728087f0de4d37e5a8a4085fbb9e4de2105d8062b84070b2be4e088f5693359b
SHA512

9391c24113d740aea2b92b9dd4db9de402db34b67d6be30c423a06a8153b66a9b97251e445cc75e9b000becd0c34019472c0370ad69ad2440b2e069aa09459f7

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4316 created 2476	4316	WerFault.exe	81

Drops file in Windows directory 6 IoCs

description	ioc	Process
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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4504	2476	WerFault.exe	81

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
4504	WerFault.exe
4504	WerFault.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeRestorePrivilege	4504	WerFault.exe
Token: SeBackupPrivilege	4504	WerFault.exe
Token: SeShutdownPrivilege	4232	svchost.exe
Token: SeCreatePagefilePrivilege	4232	svchost.exe
Token: SeShutdownPrivilege	4232	svchost.exe
Token: SeCreatePagefilePrivilege	4232	svchost.exe
Token: SeShutdownPrivilege	4232	svchost.exe
Token: SeCreatePagefilePrivilege	4232	svchost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 2476	4316	WerFault.exe	81
PID 4316 wrote to memory of 2476	4316	WerFault.exe	81

C:\Users\Admin\AppData\Local\Temp\728087f0de4d37e5a8a4085fbb9e4de2105d8062b84070b2be4e088f5693359b.exe
"C:\Users\Admin\AppData\Local\Temp\728087f0de4d37e5a8a4085fbb9e4de2105d8062b84070b2be4e088f5693359b.exe"
1⤵
PID:2476
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 216
  2⤵
  - Program crash
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2476 -ip 2476
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:4316

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:4232

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/4232-142-0x0000021ED01B0000-0x0000021ED01B4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads