3dfe4a942287b47f1eb29225788c1b0fc69eb1c1d5acbabd4c10788a2b7d3e52

Analysis

max time kernel
143s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2023 18:41

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General

Target

packages/Vestris.ResourceLib.2.2.0-beta0004/.signature.p7s
Size

9KB
MD5

008690efa5dcb142f17bf7f97461df25
SHA1

4b56b9178fc8ec56d9f60ee950edbe5379d99c0c
SHA256

96070f8dc2b0ff9bf0d4ae6b78fba4576ca91eb463ec82587bf2a7d933607104
SHA512

24174c7689ea03dac11c60a5983c2e2de29a9adb91a1bd0c661252989a604e88215bff647cb0ef8add15901917b2d084a6bfd34a3801fb3d89729e4a457c0390
SSDEEP

192:IdO7x0KDWpHhXZCVzV07VrKwGDH0JOqsmVgz28WhBqSQcITn:QMvDGGVpzwGoJN77hhLQNTn

Score

7^/10

Malware Config

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\certmgr.msc	mmc.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2832	mmc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2832	mmc.exe
Token: SeIncBasePriorityPrivilege	2832	mmc.exe
Token: 33	2832	mmc.exe
Token: SeIncBasePriorityPrivilege	2832	mmc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2832	mmc.exe
2832	mmc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 2832	1464	rundll32.exe	90
PID 1464 wrote to memory of 2832	1464	rundll32.exe	90

C:\Windows\system32\rundll32.exe
C:\Windows\system32\\rundll32.exe cryptext.dll,CryptExtOpenPKCS7 C:\Users\Admin\AppData\Local\Temp\packages\Vestris.ResourceLib.2.2.0-beta0004\.signature.p7s
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Windows\System32\mmc.exe
  "C:\Windows\System32\mmc.exe" C:\Windows\system32\certmgr.msc /certmgr:FileName="C:\Users\Admin\AppData\Local\Temp\packages\Vestris.ResourceLib.2.2.0-beta0004\.signature.p7s"
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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