227e9d1546eb0b0e0ffe197760045d705ff5f5e1062792c7bc984afa7ea3bb19

Analysis

max time kernel
51s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 03:14

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General

Target

bfad1fc041e176f9335d91cc4480e2c373d29354a33f5039212afe9e6d879978.exe
Size

272KB
MD5

616b848d17252f7dae4de86383d25bee
SHA1

797200ae77088b2c2f842bf48e73cfd46085b81b
SHA256

bfad1fc041e176f9335d91cc4480e2c373d29354a33f5039212afe9e6d879978
SHA512

9984b2a1c724a91b5a8b3d5234bd825c7f680fb0a9d46ed05ca7af7d7060c680669f0f6fbd1509128bc44ab173a5d73f014de335a32c3d33ee6b5d54a42599a0
SSDEEP

6144:/8MloJP9vDuuDCyd0E3QMfhqK3cTBWvlhAUH:/8MlgP9vv9WE3QqH3cVWthAUH

Score

7^/10

ransomware

Malware Config

Signatures

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vYGtzhImo0usSgDtgHeCaYcX5keqe8rg7.exe	bfad1fc041e176f9335d91cc4480e2c373d29354a33f5039212afe9e6d879978.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vYGtzhImo0usSgDtgHeCaYcX5keqe8rg7.exe	bfad1fc041e176f9335d91cc4480e2c373d29354a33f5039212afe9e6d879978.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	ip-api.com

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Cry.img"	bfad1fc041e176f9335d91cc4480e2c373d29354a33f5039212afe9e6d879978.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	bfad1fc041e176f9335d91cc4480e2c373d29354a33f5039212afe9e6d879978.exe
Token: SeBackupPrivilege	412	vssvc.exe
Token: SeRestorePrivilege	412	vssvc.exe
Token: SeAuditPrivilege	412	vssvc.exe

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\bfad1fc041e176f9335d91cc4480e2c373d29354a33f5039212afe9e6d879978.exe
"C:\Users\Admin\AppData\Local\Temp\bfad1fc041e176f9335d91cc4480e2c373d29354a33f5039212afe9e6d879978.exe"
1⤵
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious use of AdjustPrivilegeToken
PID:2852

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact