8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032

Analysis

max time kernel
27s
max time network
30s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 05:04

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General

Target

8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe
Size

968KB
MD5

53df9caf31a9876ef6918efe8d04333d
SHA1

314df9b0d00366fae46c5a2fe735b27ecd54aafd
SHA256

8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032
SHA512

5a8489370f85d1080f4523b4e32d7fb9c952b3c43bd8807e5b5c0eeab198ea5461cf2f2001a1519db6d454e60153d5b4ec42beebe9d7f6642b41135b8ab13fc9
SSDEEP

24576:OpY6Sppq4BgOrnHr8DnmBSkFISfYNrNjTLSf:EGM4GOrnHwDQSkRfYNjXe

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1780	8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1992	1780	WerFault.exe	27

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1780	8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe
1780	8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe
1780	8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe
1780	8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 1992	1780	8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe	28
PID 1780 wrote to memory of 1992	1780	8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe	28
PID 1780 wrote to memory of 1992	1780	8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe	28
PID 1780 wrote to memory of 1992	1780	8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe	28

C:\Users\Admin\AppData\Local\Temp\8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe
"C:\Users\Admin\AppData\Local\Temp\8b7a8b4e28ed5876a5853682838918e4e8f17ff5cfa8584cfb3bb4a87062e032.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 464
  2⤵
  - Program crash
  PID:1992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\112813137800\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

Download Submit
memory/1780-54-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download
memory/1992-56-0x0000000000000000-mapping.dmp

Download