8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39

Analysis

max time kernel
40s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 02:40

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General

Target

8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.exe
Size

714KB
MD5

6b6923a9725db1f94f3a7d479636062b
SHA1

e27cfaf343016301845ac14a58d8191bfc7946b0
SHA256

8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39
SHA512

298ecff4a1934d8f7c2c0f7a2e1146f226de913c21d539d87d25b681aa20e6b54bbf092c7450c4d23dbcfe882372756455b36ecd8818b44ecd4039b1600b1138
SSDEEP

12288:ObzpYNtMWKyJ/hpq4BVO7akKrnoyfHT8ANEYk:OpY6Sppq4BgOrnHr8D1

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
828	8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.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
1472	828	WerFault.exe	27

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
828	8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.exe
828	8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.exe
828	8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.exe
828	8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 1472	828	8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.exe	28
PID 828 wrote to memory of 1472	828	8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.exe	28
PID 828 wrote to memory of 1472	828	8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.exe	28
PID 828 wrote to memory of 1472	828	8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.exe	28

C:\Users\Admin\AppData\Local\Temp\8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.exe
"C:\Users\Admin\AppData\Local\Temp\8a041f71ec63ed0ea1ad7c7d6e6cd6c01590d95a0ed518b7331fb4610e02ac39.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 828 -s 460
  2⤵
  - Program crash
  PID:1472

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\112722158771\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

Download Submit
memory/828-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1472-56-0x0000000000000000-mapping.dmp

Download