a7f716d6e20df250a678f861c6c9b8e1d7f3565b7315b2bb1fd8ffa3d0f6b3a3

Analysis

max time kernel
180s
max time network
244s
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, 03:40

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General

Target

a7f716d6e20df250a678f861c6c9b8e1d7f3565b7315b2bb1fd8ffa3d0f6b3a3.exe
Size

1.6MB
MD5

ab5300fc575b1c44bcc3e4c1da83b7f2
SHA1

05bdd8a390639f11b7f10edad2cce90709ed9944
SHA256

a7f716d6e20df250a678f861c6c9b8e1d7f3565b7315b2bb1fd8ffa3d0f6b3a3
SHA512

4a35f1791ca9ee17a1bd259cbb7a136c54a5e5accd0837847252fdfa3a3b2304b30e03adaef63b7b16ede0295d6f055bf3cf13e31ad72a987d8f6867e90590cc
SSDEEP

24576:OpY6Sppq4BgOrnHr8DnmBSkFISfYNrNjTLSxE+U6ZR+liQ1UrSJwa67p6/lY:EGM4GOrnHwDQSkRfYNjX5+nCi1a67r

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4160	a7f716d6e20df250a678f861c6c9b8e1d7f3565b7315b2bb1fd8ffa3d0f6b3a3.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
3788	4160	WerFault.exe	81

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4160	a7f716d6e20df250a678f861c6c9b8e1d7f3565b7315b2bb1fd8ffa3d0f6b3a3.exe
4160	a7f716d6e20df250a678f861c6c9b8e1d7f3565b7315b2bb1fd8ffa3d0f6b3a3.exe
4160	a7f716d6e20df250a678f861c6c9b8e1d7f3565b7315b2bb1fd8ffa3d0f6b3a3.exe
4160	a7f716d6e20df250a678f861c6c9b8e1d7f3565b7315b2bb1fd8ffa3d0f6b3a3.exe

C:\Users\Admin\AppData\Local\Temp\a7f716d6e20df250a678f861c6c9b8e1d7f3565b7315b2bb1fd8ffa3d0f6b3a3.exe
"C:\Users\Admin\AppData\Local\Temp\a7f716d6e20df250a678f861c6c9b8e1d7f3565b7315b2bb1fd8ffa3d0f6b3a3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:4160
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 1280
  2⤵
  - Program crash
  PID:3788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4160 -ip 4160
1⤵
PID:4412

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\112723357191\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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