f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a

Analysis

max time kernel
135s
max time network
154s
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, 05:29

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General

Target

f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe
Size

3.2MB
MD5

f92d72766c69ebac8d96bdac671cdd2d
SHA1

3f6ec0d3e7bede6523ae3bd1a4c0f2308be7118e
SHA256

f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a
SHA512

b12d9f4aaa639d824a98435766978e01bec65473efc6ce4e1afc6521dd4cc322033c8fdc8b2fd6a9289ac3ddc060f7657cba9580275497cdad78270cd6300bf3
SSDEEP

98304:RDGnkRWN+Ci067DeL2iUZz9ZdvyjfXMNgvHNIek8:gN+Cw62Nrv0fXMNetIC

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
800	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.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
3372	800	WerFault.exe	83

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
800	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe
800	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe
800	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe
800	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe

C:\Users\Admin\AppData\Local\Temp\f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe
"C:\Users\Admin\AppData\Local\Temp\f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:800
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 800 -s 1280
  2⤵
  - Program crash
  PID:3372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 800 -ip 800
1⤵
PID:1576

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\112813043371\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

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