8e7393013f240334efe2ca52c8a3554628c479becab2b691d114e1e8b3ccd51d

General

Target

svchost.exe
Size

213KB
MD5

39f34aa65e3a95a53f3ec0675fc37905
SHA1

b8206089a3841464c72ee695951854dfe08a82cd
SHA256

8e7393013f240334efe2ca52c8a3554628c479becab2b691d114e1e8b3ccd51d
SHA512

7c45d8ba6f080cccaaa3c663d44a796c077f786f48cd392bcb9fa7e60d3b424aa90ecb1ed3c1c810b1607610db42a59eb0a9cc452579e454ca6443b2b249b2cb

Score

10^/10

ransomware

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 11460 created 1812 11460 WerFault.exe svchost.exe
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

svchost.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation svchost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

11500 1812 WerFault.exe svchost.exe

description	pid	process	target process
PID 11460 created 1812	11460	WerFault.exe	svchost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	svchost.exe

pid	pid_target	process	target process
11500	1812	WerFault.exe	svchost.exe

Checks processor information in registry 2 TTPs 5 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotification.exeWerFault.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotification.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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotification.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 4 IoCs

Processes:

svchost.exeWerFault.exe

pid process

1812 svchost.exe
1812 svchost.exe
11500 WerFault.exe
11500 WerFault.exe

pid	process
1812	svchost.exe
1812	svchost.exe
11500	WerFault.exe
11500	WerFault.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

Processes:

MusNotification.exeWMIC.exevssvc.exeWerFault.exe

description	pid	process
Token: SeShutdownPrivilege	1768	MusNotification.exe
Token: SeCreatePagefilePrivilege	1768	MusNotification.exe
Token: SeIncreaseQuotaPrivilege	216	WMIC.exe
Token: SeSecurityPrivilege	216	WMIC.exe
Token: SeTakeOwnershipPrivilege	216	WMIC.exe
Token: SeLoadDriverPrivilege	216	WMIC.exe
Token: SeSystemProfilePrivilege	216	WMIC.exe
Token: SeSystemtimePrivilege	216	WMIC.exe
Token: SeProfSingleProcessPrivilege	216	WMIC.exe
Token: SeIncBasePriorityPrivilege	216	WMIC.exe
Token: SeCreatePagefilePrivilege	216	WMIC.exe
Token: SeBackupPrivilege	216	WMIC.exe
Token: SeRestorePrivilege	216	WMIC.exe
Token: SeShutdownPrivilege	216	WMIC.exe
Token: SeDebugPrivilege	216	WMIC.exe
Token: SeSystemEnvironmentPrivilege	216	WMIC.exe
Token: SeRemoteShutdownPrivilege	216	WMIC.exe
Token: SeUndockPrivilege	216	WMIC.exe
Token: SeManageVolumePrivilege	216	WMIC.exe
Token: 33	216	WMIC.exe
Token: 34	216	WMIC.exe
Token: 35	216	WMIC.exe
Token: 36	216	WMIC.exe
Token: SeIncreaseQuotaPrivilege	216	WMIC.exe
Token: SeSecurityPrivilege	216	WMIC.exe
Token: SeTakeOwnershipPrivilege	216	WMIC.exe
Token: SeLoadDriverPrivilege	216	WMIC.exe
Token: SeSystemProfilePrivilege	216	WMIC.exe
Token: SeSystemtimePrivilege	216	WMIC.exe
Token: SeProfSingleProcessPrivilege	216	WMIC.exe
Token: SeIncBasePriorityPrivilege	216	WMIC.exe
Token: SeCreatePagefilePrivilege	216	WMIC.exe
Token: SeBackupPrivilege	216	WMIC.exe
Token: SeRestorePrivilege	216	WMIC.exe
Token: SeShutdownPrivilege	216	WMIC.exe
Token: SeDebugPrivilege	216	WMIC.exe
Token: SeSystemEnvironmentPrivilege	216	WMIC.exe
Token: SeRemoteShutdownPrivilege	216	WMIC.exe
Token: SeUndockPrivilege	216	WMIC.exe
Token: SeManageVolumePrivilege	216	WMIC.exe
Token: 33	216	WMIC.exe
Token: 34	216	WMIC.exe
Token: 35	216	WMIC.exe
Token: 36	216	WMIC.exe
Token: SeBackupPrivilege	2964	vssvc.exe
Token: SeRestorePrivilege	2964	vssvc.exe
Token: SeAuditPrivilege	2964	vssvc.exe
Token: SeRestorePrivilege	11500	WerFault.exe
Token: SeBackupPrivilege	11500	WerFault.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

svchost.execmd.exeWerFault.exe

description	pid	process	target process
PID 1812 wrote to memory of 3996	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 3996	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 3996	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 924	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 924	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 924	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 1492	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 1492	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 1492	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 3180	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 3180	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 3180	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 3476	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 3476	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 3476	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 2800	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 2800	1812	svchost.exe	cmd.exe
PID 1812 wrote to memory of 2800	1812	svchost.exe	cmd.exe
PID 3180 wrote to memory of 216	3180	cmd.exe	WMIC.exe
PID 3180 wrote to memory of 216	3180	cmd.exe	WMIC.exe
PID 3180 wrote to memory of 216	3180	cmd.exe	WMIC.exe
PID 11460 wrote to memory of 1812	11460	WerFault.exe	svchost.exe
PID 11460 wrote to memory of 1812	11460	WerFault.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1812

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "vssadmin delete shadows /all /quiet"
2⤵
PID:3996

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "wbadmin DELETE SYSTEMSTATEBACKUP -keepVersions:0"
2⤵
PID:924

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "wbadmin DELETE BACKUP -keepVersions:0"
2⤵
PID:1492

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "wmic SHADOWCOPY DELETE"
2⤵
- Suspicious use of WriteProcessMemory
PID:3180

C:\Windows\SysWOW64\Wbem\WMIC.exe
wmic SHADOWCOPY DELETE
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:216

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "bcdedit /set {default} recoveryenabled No"
2⤵
PID:3476

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "bcdedit /set {default} bootstatuspolicy ignoreallfailures"
2⤵
PID:2800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 1220
2⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:11500

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:1768

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1812 -ip 1812
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:11460

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

1

T1107

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1

T1490

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Downloads

memory/216-136-0x0000000000000000-mapping.dmp

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memory/924-131-0x0000000000000000-mapping.dmp

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memory/1492-132-0x0000000000000000-mapping.dmp

Download
memory/2800-135-0x0000000000000000-mapping.dmp

Download
memory/3180-133-0x0000000000000000-mapping.dmp

Download
memory/3476-134-0x0000000000000000-mapping.dmp

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memory/3996-130-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads