fcc2921020690a58c60eba35df885e575669e9803212f7791d7e1956f9bf8020

Resubmissions

23-09-2021 15:15

210923-sm8bysege5 10

26-07-2021 12:41

210726-mpfkjgshnx 10

Analysis

max time kernel
8s
max time network
44s
platform
windows7_x64
resource
win7v20210410
submitted
26-07-2021 12:41

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General

Target

fcc2921020690a58c60eba35df885e575669e9803212f7791d7e1956f9bf8020.sample.exe
Size

21KB
MD5

ce3cd1dab67814f5f153bccdaf502f4c
SHA1

f246984193c927414e543d936d1fb643a2dff77b
SHA256

fcc2921020690a58c60eba35df885e575669e9803212f7791d7e1956f9bf8020
SHA512

015a9c54e65888cd0bf6e74ec26ddf42ba860b48ca56024a8f822be0cd56ed04fb80891ef21857f5ac65c97f6ecb050a1f1c33d1c5e9afddfcab0c59517a95e4

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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\god.jpg"	fcc2921020690a58c60eba35df885e575669e9803212f7791d7e1956f9bf8020.sample.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1172	WMIC.exe
Token: SeSecurityPrivilege	1172	WMIC.exe
Token: SeTakeOwnershipPrivilege	1172	WMIC.exe
Token: SeLoadDriverPrivilege	1172	WMIC.exe
Token: SeSystemProfilePrivilege	1172	WMIC.exe
Token: SeSystemtimePrivilege	1172	WMIC.exe
Token: SeProfSingleProcessPrivilege	1172	WMIC.exe
Token: SeIncBasePriorityPrivilege	1172	WMIC.exe
Token: SeCreatePagefilePrivilege	1172	WMIC.exe
Token: SeBackupPrivilege	1172	WMIC.exe
Token: SeRestorePrivilege	1172	WMIC.exe
Token: SeShutdownPrivilege	1172	WMIC.exe
Token: SeDebugPrivilege	1172	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1172	WMIC.exe
Token: SeRemoteShutdownPrivilege	1172	WMIC.exe
Token: SeUndockPrivilege	1172	WMIC.exe
Token: SeManageVolumePrivilege	1172	WMIC.exe
Token: 33	1172	WMIC.exe
Token: 34	1172	WMIC.exe
Token: 35	1172	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1172	WMIC.exe
Token: SeSecurityPrivilege	1172	WMIC.exe
Token: SeTakeOwnershipPrivilege	1172	WMIC.exe
Token: SeLoadDriverPrivilege	1172	WMIC.exe
Token: SeSystemProfilePrivilege	1172	WMIC.exe
Token: SeSystemtimePrivilege	1172	WMIC.exe
Token: SeProfSingleProcessPrivilege	1172	WMIC.exe
Token: SeIncBasePriorityPrivilege	1172	WMIC.exe
Token: SeCreatePagefilePrivilege	1172	WMIC.exe
Token: SeBackupPrivilege	1172	WMIC.exe
Token: SeRestorePrivilege	1172	WMIC.exe
Token: SeShutdownPrivilege	1172	WMIC.exe
Token: SeDebugPrivilege	1172	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1172	WMIC.exe
Token: SeRemoteShutdownPrivilege	1172	WMIC.exe
Token: SeUndockPrivilege	1172	WMIC.exe
Token: SeManageVolumePrivilege	1172	WMIC.exe
Token: 33	1172	WMIC.exe
Token: 34	1172	WMIC.exe
Token: 35	1172	WMIC.exe
Token: SeBackupPrivilege	1596	vssvc.exe
Token: SeRestorePrivilege	1596	vssvc.exe
Token: SeAuditPrivilege	1596	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1228	1088	fcc2921020690a58c60eba35df885e575669e9803212f7791d7e1956f9bf8020.sample.exe	26
PID 1088 wrote to memory of 1228	1088	fcc2921020690a58c60eba35df885e575669e9803212f7791d7e1956f9bf8020.sample.exe	26
PID 1088 wrote to memory of 1228	1088	fcc2921020690a58c60eba35df885e575669e9803212f7791d7e1956f9bf8020.sample.exe	26
PID 1088 wrote to memory of 1228	1088	fcc2921020690a58c60eba35df885e575669e9803212f7791d7e1956f9bf8020.sample.exe	26
PID 1228 wrote to memory of 1172	1228	cmd.exe	28
PID 1228 wrote to memory of 1172	1228	cmd.exe	28
PID 1228 wrote to memory of 1172	1228	cmd.exe	28
PID 1228 wrote to memory of 1172	1228	cmd.exe	28

C:\Users\Admin\AppData\Local\Temp\fcc2921020690a58c60eba35df885e575669e9803212f7791d7e1956f9bf8020.sample.exe
"C:\Users\Admin\AppData\Local\Temp\fcc2921020690a58c60eba35df885e575669e9803212f7791d7e1956f9bf8020.sample.exe"
1⤵
- Sets desktop wallpaper using registry
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet & wmic shadowcopy delete
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1228
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1172

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1596

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

memory/1088-59-0x0000000075561000-0x0000000075563000-memory.dmp

Filesize
8KB

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