a2e3aa34fc2d5ee021cd78886591e23cfb518cd0cd596a75f3d423c284b4d0d4

Analysis

max time kernel
187s
max time network
206s
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, 02:22

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General

Target

a2e3aa34fc2d5ee021cd78886591e23cfb518cd0cd596a75f3d423c284b4d0d4.exe
Size

2.3MB
MD5

a577b40a7d324cc84bc1b262a98d1e58
SHA1

004d607dd34cf87ca3a52db383992599b7855691
SHA256

a2e3aa34fc2d5ee021cd78886591e23cfb518cd0cd596a75f3d423c284b4d0d4
SHA512

8435fed56f5c4b3f6fa9ceb94c6e335bd99a89527026596ad853a0439765800b9e630c58a29b64dbfd8f93d4f799694bd3f59f2d3dea01b941cb55931014e6e1
SSDEEP

49152:EGM4GOrnHwDQSkRfYNjX5+nCi1a67GV+d4L28hUZzqmZxPHp:RDGnkRWN+Ci067DeL2iUZz9Zdp

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4740	a2e3aa34fc2d5ee021cd78886591e23cfb518cd0cd596a75f3d423c284b4d0d4.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
904	4740	WerFault.exe	81

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4740	a2e3aa34fc2d5ee021cd78886591e23cfb518cd0cd596a75f3d423c284b4d0d4.exe
4740	a2e3aa34fc2d5ee021cd78886591e23cfb518cd0cd596a75f3d423c284b4d0d4.exe
4740	a2e3aa34fc2d5ee021cd78886591e23cfb518cd0cd596a75f3d423c284b4d0d4.exe
4740	a2e3aa34fc2d5ee021cd78886591e23cfb518cd0cd596a75f3d423c284b4d0d4.exe

C:\Users\Admin\AppData\Local\Temp\a2e3aa34fc2d5ee021cd78886591e23cfb518cd0cd596a75f3d423c284b4d0d4.exe
"C:\Users\Admin\AppData\Local\Temp\a2e3aa34fc2d5ee021cd78886591e23cfb518cd0cd596a75f3d423c284b4d0d4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:4740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 1280
  2⤵
  - Program crash
  PID:904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4740 -ip 4740
1⤵
PID:3864

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\1127215647348\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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