2b755b80273ff1dc6e38ad51f9f109fb6fbe80e753f4c9e82d8d7c9c50407e8b

Analysis

max time kernel
145s
max time network
152s
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, 04:19

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General

Target

2b755b80273ff1dc6e38ad51f9f109fb6fbe80e753f4c9e82d8d7c9c50407e8b.exe
Size

1.4MB
MD5

db3025b872d6fd4ae975948b3ec9c05d
SHA1

f9f42e3e12d59fbe7c30bb04f277fbb2fb3b11e1
SHA256

2b755b80273ff1dc6e38ad51f9f109fb6fbe80e753f4c9e82d8d7c9c50407e8b
SHA512

5a73373aab03567b75c6f3cd0855bb4dfddeb35462dad8e9779df56b86076416c04c5e3a5e2ffdb8def95283c7f5f549d9b6e588ee29b3514ecbf2def746e07c
SSDEEP

24576:OpY6Sppq4BgOrnHr8DnmBSkFISfYNrNjTLSxE+U6ZR+liQ1UrSJwa67/:EGM4GOrnHwDQSkRfYNjX5+nCi1a67/

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1260	2b755b80273ff1dc6e38ad51f9f109fb6fbe80e753f4c9e82d8d7c9c50407e8b.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
4092	1260	WerFault.exe	84

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1260	2b755b80273ff1dc6e38ad51f9f109fb6fbe80e753f4c9e82d8d7c9c50407e8b.exe
1260	2b755b80273ff1dc6e38ad51f9f109fb6fbe80e753f4c9e82d8d7c9c50407e8b.exe
1260	2b755b80273ff1dc6e38ad51f9f109fb6fbe80e753f4c9e82d8d7c9c50407e8b.exe
1260	2b755b80273ff1dc6e38ad51f9f109fb6fbe80e753f4c9e82d8d7c9c50407e8b.exe

C:\Users\Admin\AppData\Local\Temp\2b755b80273ff1dc6e38ad51f9f109fb6fbe80e753f4c9e82d8d7c9c50407e8b.exe
"C:\Users\Admin\AppData\Local\Temp\2b755b80273ff1dc6e38ad51f9f109fb6fbe80e753f4c9e82d8d7c9c50407e8b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:1260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 1272
  2⤵
  - Program crash
  PID:4092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 1260 -ip 1260
1⤵
PID:4232

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\112802031511\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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