b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd

Analysis

max time kernel
31s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 01:56

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General

Target

b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.exe
Size

1.5MB
MD5

2d59a24c8196fc2367e8e6a31e28fd8e
SHA1

86bbb0e0e9fb4faa31965071ae1f6b9afb0eb4bc
SHA256

b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd
SHA512

12070b997901925315c82c5bced9df0048a56946fde89e7aa189d3ac7dd02dbe1353b56437054fb8ac17514d20795df85e31c95899f903a13648e5f8cd175d8c
SSDEEP

24576:OpY6Sppq4BgOrnHr8DnmBSkFISfYNrNjTLSxE+U6ZR+liQ1UrSJwa67p6/p:EGM4GOrnHwDQSkRfYNjX5+nCi1a676

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1612	b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.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
944	1612	WerFault.exe	25

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1612	b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.exe
1612	b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.exe
1612	b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.exe
1612	b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 944	1612	b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.exe	26
PID 1612 wrote to memory of 944	1612	b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.exe	26
PID 1612 wrote to memory of 944	1612	b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.exe	26
PID 1612 wrote to memory of 944	1612	b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.exe	26

C:\Users\Admin\AppData\Local\Temp\b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.exe
"C:\Users\Admin\AppData\Local\Temp\b203a7eefc7007d2716ba4c0a9d41a3b28d018896cf530827eee4238f03996dd.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 456
  2⤵
  - Program crash
  PID:944

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\112721561805\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

Download Submit
memory/1612-54-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

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