b9a858ebbe6f41e3022fd46342acae84bb4481abd5e5a4019c0f8e82ec93020c

Analysis

max time kernel
136s
max time network
155s
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, 08:02

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General

Target

b9a858ebbe6f41e3022fd46342acae84bb4481abd5e5a4019c0f8e82ec93020c.exe
Size

3.9MB
MD5

12833cd7a2e6b7836f1005b7872bc311
SHA1

34ac7fcc32ee65340b46d02e98299310f61a5760
SHA256

b9a858ebbe6f41e3022fd46342acae84bb4481abd5e5a4019c0f8e82ec93020c
SHA512

516517d1becbecf1a299812882278952d7d86c17ac35653a0d74724607042c8f60b0e1b7574dd8c54be222f67d2385c2192154345dae5c9b06aa3aa46b4d7106
SSDEEP

98304:RDGnkRWN+Ci067DeL2iUZz9ZdvyjfXMNgvHNIekdwLBWdw0:gN+Cw62Nrv0fXMNetIPwL8w0

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1700	b9a858ebbe6f41e3022fd46342acae84bb4481abd5e5a4019c0f8e82ec93020c.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
2864	1700	WerFault.exe	81

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1700	b9a858ebbe6f41e3022fd46342acae84bb4481abd5e5a4019c0f8e82ec93020c.exe
1700	b9a858ebbe6f41e3022fd46342acae84bb4481abd5e5a4019c0f8e82ec93020c.exe
1700	b9a858ebbe6f41e3022fd46342acae84bb4481abd5e5a4019c0f8e82ec93020c.exe
1700	b9a858ebbe6f41e3022fd46342acae84bb4481abd5e5a4019c0f8e82ec93020c.exe

C:\Users\Admin\AppData\Local\Temp\b9a858ebbe6f41e3022fd46342acae84bb4481abd5e5a4019c0f8e82ec93020c.exe
"C:\Users\Admin\AppData\Local\Temp\b9a858ebbe6f41e3022fd46342acae84bb4481abd5e5a4019c0f8e82ec93020c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:1700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 1296
  2⤵
  - Program crash
  PID:2864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1700 -ip 1700
1⤵
PID:2376

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\112841649214\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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