f3a9ffe9a07508eb3b16e56d9e2a17c37041ed18ef9e6d50d6241391ce822368

Analysis

max time kernel
162s
max time network
178s
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 07:26

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General

Target

f3a9ffe9a07508eb3b16e56d9e2a17c37041ed18ef9e6d50d6241391ce822368.exe
Size

938KB
MD5

d355ce35ec714c94ca80126aa8737f4f
SHA1

b15b536f9a38366fd9424fd6d55309038b951eb0
SHA256

f3a9ffe9a07508eb3b16e56d9e2a17c37041ed18ef9e6d50d6241391ce822368
SHA512

6b45a8d0160ff351938a164caf3bc5c4fe15c3c60d716022189bf7b6765ac5b425f61cc32e4bf12240fdde1597cbca4213eb4f1c4538663f93c3c69b330a2303
SSDEEP

24576:OpY6Sppq4BgOrnHr8DnmBSkFISfYNrNjTLSx:EGM4GOrnHwDQSkRfYNjXq

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1552	f3a9ffe9a07508eb3b16e56d9e2a17c37041ed18ef9e6d50d6241391ce822368.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
220	1552	WerFault.exe	81

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1552	f3a9ffe9a07508eb3b16e56d9e2a17c37041ed18ef9e6d50d6241391ce822368.exe
1552	f3a9ffe9a07508eb3b16e56d9e2a17c37041ed18ef9e6d50d6241391ce822368.exe
1552	f3a9ffe9a07508eb3b16e56d9e2a17c37041ed18ef9e6d50d6241391ce822368.exe
1552	f3a9ffe9a07508eb3b16e56d9e2a17c37041ed18ef9e6d50d6241391ce822368.exe

C:\Users\Admin\AppData\Local\Temp\f3a9ffe9a07508eb3b16e56d9e2a17c37041ed18ef9e6d50d6241391ce822368.exe
"C:\Users\Admin\AppData\Local\Temp\f3a9ffe9a07508eb3b16e56d9e2a17c37041ed18ef9e6d50d6241391ce822368.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:1552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 1296
  2⤵
  - Program crash
  PID:220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1552 -ip 1552
1⤵
PID:100

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\112833812778\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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