37d973a6b74b1919aab1518708fa91d14792b4218dc177d339c51e88d787535c

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
15/05/2024, 07:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

CacheWechatBackup/Plugins/WechatBackup/AndroidAssistHelper.dll
Size

516KB
MD5

0c30969e7222c4a9aff2087a1de88b90
SHA1

7060a8dd172986db7dcfea23d450eb4282c0dce9
SHA256

fd1ef56de44b98a02f25a14b08818dfb9e0b5915a068b9e28014ac1fd0148a94
SHA512

11e3d79e4eadade431adbedeca2e57a1d29c5712572cfab51de19202e5e930fdd376099614d861aa4e6510cb4287a1f9330014c2f4cbd5fa52bf7a879f90c6ff
SSDEEP

12288:047yjn0b96KYyfae60OZNDIAQmOAYc5/QGEBSRnNpLr7LvLTMisIMwRb:0gUM967yfae60OZVxX/QGEBShr7XTM1k

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 5 IoCs

flow	pid	Process
5	4784	rundll32.exe
28	4784	rundll32.exe
35	4784	rundll32.exe
36	4784	rundll32.exe
37	4784	rundll32.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2652	4784	WerFault.exe	82

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 4784	3728	rundll32.exe	82
PID 3728 wrote to memory of 4784	3728	rundll32.exe	82
PID 3728 wrote to memory of 4784	3728	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CacheWechatBackup\Plugins\WechatBackup\AndroidAssistHelper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CacheWechatBackup\Plugins\WechatBackup\AndroidAssistHelper.dll,#1
  2⤵
  - Blocklisted process makes network request
  PID:4784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 1056
    3⤵
    - Program crash
    PID:2652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4784 -ip 4784
1⤵
PID:1296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

Loading Replay Monitor...