b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d

Analysis

max time kernel
147s
max time network
176s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 12:17

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General

Target

b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d.exe
Size

3.0MB
MD5

44bdf07b82eba73a6b785c3c12090c24
SHA1

16c854469cebab98f7057c18bad50786cf9907ad
SHA256

b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d
SHA512

6b370ca018657c3269626214a76e9ff350aa69e2f4fe9c625d9c2a0b842e0209cdb2ba4ea2e6d8b5b00c140119ac79165b8d3afbfa19552f641ed3cb36416452
SSDEEP

49152:EGM4GOrnHwDQSkRfYNjX5+nCi1a67GV+d4L28hUZzqmZxPHvLm48fXq7N2TvS:RDGnkRWN+Ci067DeL2iUZz9ZdvyjfXML

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1496	b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d.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 2 IoCs

pid	pid_target	Process	procid_target
3368	1496	WerFault.exe	83
4356	1496	WerFault.exe	83

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1496	b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d.exe
1496	b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d.exe
1496	b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d.exe
1496	b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 3368	1496	b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d.exe	87
PID 1496 wrote to memory of 3368	1496	b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d.exe	87
PID 1496 wrote to memory of 3368	1496	b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d.exe	87

C:\Users\Admin\AppData\Local\Temp\b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d.exe
"C:\Users\Admin\AppData\Local\Temp\b61c9f60ad95c0f80b106f84103d14a01914eaa02d68bb9675a0e56453dd703d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1496 -s 1276
  2⤵
  - Program crash
  PID:3368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1496 -s 1276
  2⤵
  - Program crash
  PID:4356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1496 -ip 1496
1⤵
PID:4204

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

C:\Users\Admin\AppData\Local\Temp\1128101548359\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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