41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb

Analysis

max time kernel
31s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 05:56

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General

Target

41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe
Size

1.0MB
MD5

65839392a5e23701ea4b076f89be4d0f
SHA1

480dc5b54c6778d8b62238c443675a82669b18d1
SHA256

41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb
SHA512

66f0d608dbd5d02a87ba3bb2fe9e11fd0baab123fa74e916560da8a8993eb1d7d4a1a4dc60b45233fe85ae267adea1232c6f1f6a2f00d1f318bd38bd7252cebb
SSDEEP

24576:OpY6Sppq4BgOrnHr8DnmBSkFISfYNrNjTLSd:EGM4GOrnHwDQSkRfYNjXk

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1820	41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.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
1180	1820	WerFault.exe	27

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1820	41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe
1820	41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe
1820	41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe
1820	41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 1180	1820	41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe	28
PID 1820 wrote to memory of 1180	1820	41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe	28
PID 1820 wrote to memory of 1180	1820	41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe	28
PID 1820 wrote to memory of 1180	1820	41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe	28

C:\Users\Admin\AppData\Local\Temp\41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe
"C:\Users\Admin\AppData\Local\Temp\41b86cf7ff2aab30c86d65a33231287a8ba49e528c9bef395bc57229655faddb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 460
  2⤵
  - Program crash
  PID:1180

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\11282152461\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

Download Submit
memory/1820-54-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

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