51ec21268902bf9d98069df7f3c56a5da19cee226fb9c3c1cfe5889c1f48edff

Analysis

max time kernel
888s
max time network
890s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
29/03/2023, 19:07

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General

Target

51ec21268902bf9d98069df7f3c56a5da19cee226fb9c3c1cfe5889c1f48edff.exe
Size

2.1MB
MD5

052172a232ff82884501ad4559c03cf7
SHA1

1140ae5ff931f09226d288c44c368c167442934a
SHA256

51ec21268902bf9d98069df7f3c56a5da19cee226fb9c3c1cfe5889c1f48edff
SHA512

aea4c521c2689e2f4513f5fce6d7b5ee0fbe067d685dc8100453fc8c921741e13ecce6b8146dc71971875592621c9ad4cc6724246aa906348bcdacbdfe639e76
SSDEEP

24576:P+KpPzIzkQoU6cvTJdCm6pMtGMt0p0LkeoqP5nV6BQ1s2Y/tJGnX+LuiehI6YL23:Dq9FTZGkvtOqYwrUPJwzjOQsh6b

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

Interacts with shadow copies 2 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
1412	vssadmin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2032	vssvc.exe
Token: SeRestorePrivilege	2032	vssvc.exe
Token: SeAuditPrivilege	2032	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 1412	824	51ec21268902bf9d98069df7f3c56a5da19cee226fb9c3c1cfe5889c1f48edff.exe	28
PID 824 wrote to memory of 1412	824	51ec21268902bf9d98069df7f3c56a5da19cee226fb9c3c1cfe5889c1f48edff.exe	28
PID 824 wrote to memory of 1412	824	51ec21268902bf9d98069df7f3c56a5da19cee226fb9c3c1cfe5889c1f48edff.exe	28
PID 824 wrote to memory of 1412	824	51ec21268902bf9d98069df7f3c56a5da19cee226fb9c3c1cfe5889c1f48edff.exe	28

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\51ec21268902bf9d98069df7f3c56a5da19cee226fb9c3c1cfe5889c1f48edff.exe
"C:\Users\Admin\AppData\Local\Temp\51ec21268902bf9d98069df7f3c56a5da19cee226fb9c3c1cfe5889c1f48edff.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:824
- C:\Windows\SysWOW64\vssadmin.exe
  delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:1412

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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