8e7393013f240334efe2ca52c8a3554628c479becab2b691d114e1e8b3ccd51d

Resubmissions

28-07-2022 16:40

220728-t6m1ssaabp 10

16-01-2022 03:14

220116-drpcbafecl 10

Analysis

max time kernel
81s
max time network
87s
platform
windows10-2004_x64
resource
win10v2004-20220722-en
resource tags

arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
submitted
28-07-2022 16:40

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General

Target

svchost.exe
Size

213KB
MD5

39f34aa65e3a95a53f3ec0675fc37905
SHA1

b8206089a3841464c72ee695951854dfe08a82cd
SHA256

8e7393013f240334efe2ca52c8a3554628c479becab2b691d114e1e8b3ccd51d
SHA512

7c45d8ba6f080cccaaa3c663d44a796c077f786f48cd392bcb9fa7e60d3b424aa90ecb1ed3c1c810b1607610db42a59eb0a9cc452579e454ca6443b2b249b2cb

Score

9^/10

ransomware

Malware Config

Signatures

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-1-5-21-3463845317-933582289-45817732-1000\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

12052 1980 WerFault.exe svchost.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

svchost.exe

pid process

1980 svchost.exe
1980 svchost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Control Panel\International\Geo\Nation	svchost.exe

pid	pid_target	process	target process
12052	1980	WerFault.exe	svchost.exe

pid	process
1980	svchost.exe
1980	svchost.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

Processes:

WMIC.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1948	WMIC.exe
Token: SeSecurityPrivilege	1948	WMIC.exe
Token: SeTakeOwnershipPrivilege	1948	WMIC.exe
Token: SeLoadDriverPrivilege	1948	WMIC.exe
Token: SeSystemProfilePrivilege	1948	WMIC.exe
Token: SeSystemtimePrivilege	1948	WMIC.exe
Token: SeProfSingleProcessPrivilege	1948	WMIC.exe
Token: SeIncBasePriorityPrivilege	1948	WMIC.exe
Token: SeCreatePagefilePrivilege	1948	WMIC.exe
Token: SeBackupPrivilege	1948	WMIC.exe
Token: SeRestorePrivilege	1948	WMIC.exe
Token: SeShutdownPrivilege	1948	WMIC.exe
Token: SeDebugPrivilege	1948	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1948	WMIC.exe
Token: SeRemoteShutdownPrivilege	1948	WMIC.exe
Token: SeUndockPrivilege	1948	WMIC.exe
Token: SeManageVolumePrivilege	1948	WMIC.exe
Token: 33	1948	WMIC.exe
Token: 34	1948	WMIC.exe
Token: 35	1948	WMIC.exe
Token: 36	1948	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1948	WMIC.exe
Token: SeSecurityPrivilege	1948	WMIC.exe
Token: SeTakeOwnershipPrivilege	1948	WMIC.exe
Token: SeLoadDriverPrivilege	1948	WMIC.exe
Token: SeSystemProfilePrivilege	1948	WMIC.exe
Token: SeSystemtimePrivilege	1948	WMIC.exe
Token: SeProfSingleProcessPrivilege	1948	WMIC.exe
Token: SeIncBasePriorityPrivilege	1948	WMIC.exe
Token: SeCreatePagefilePrivilege	1948	WMIC.exe
Token: SeBackupPrivilege	1948	WMIC.exe
Token: SeRestorePrivilege	1948	WMIC.exe
Token: SeShutdownPrivilege	1948	WMIC.exe
Token: SeDebugPrivilege	1948	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1948	WMIC.exe
Token: SeRemoteShutdownPrivilege	1948	WMIC.exe
Token: SeUndockPrivilege	1948	WMIC.exe
Token: SeManageVolumePrivilege	1948	WMIC.exe
Token: 33	1948	WMIC.exe
Token: 34	1948	WMIC.exe
Token: 35	1948	WMIC.exe
Token: 36	1948	WMIC.exe
Token: SeBackupPrivilege	1332	vssvc.exe
Token: SeRestorePrivilege	1332	vssvc.exe
Token: SeAuditPrivilege	1332	vssvc.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

svchost.execmd.exe

description	pid	process	target process
PID 1980 wrote to memory of 860	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 860	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 860	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 4988	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 4988	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 4988	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 3812	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 3812	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 3812	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 4536	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 4536	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 4536	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 2348	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 2348	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 2348	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 4804	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 4804	1980	svchost.exe	cmd.exe
PID 1980 wrote to memory of 4804	1980	svchost.exe	cmd.exe
PID 4536 wrote to memory of 1948	4536	cmd.exe	WMIC.exe
PID 4536 wrote to memory of 1948	4536	cmd.exe	WMIC.exe
PID 4536 wrote to memory of 1948	4536	cmd.exe	WMIC.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:1980
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "vssadmin delete shadows /all /quiet"
  2⤵
  PID:860
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "wbadmin DELETE SYSTEMSTATEBACKUP -keepVersions:0"
  2⤵
  PID:4988
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "wbadmin DELETE BACKUP -keepVersions:0"
  2⤵
  PID:3812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "wmic SHADOWCOPY DELETE"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4536
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "bcdedit /set {default} recoveryenabled No"
  2⤵
  PID:2348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "bcdedit /set {default} bootstatuspolicy ignoreallfailures"
  2⤵
  PID:4804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 31104
  2⤵
  - Program crash
  PID:12052

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1980 -ip 1980
1⤵
PID:12004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

memory/860-135-0x0000000000000000-mapping.dmp

Download
memory/1948-141-0x0000000000000000-mapping.dmp

Download
memory/2348-139-0x0000000000000000-mapping.dmp

Download
memory/3812-137-0x0000000000000000-mapping.dmp

Download
memory/4536-138-0x0000000000000000-mapping.dmp

Download
memory/4804-140-0x0000000000000000-mapping.dmp

Download
memory/4988-136-0x0000000000000000-mapping.dmp

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