f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a

Analysis

max time kernel
43s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 05:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
1492	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
900	1492	WerFault.exe	27

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1492	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe
1492	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe
1492	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe
1492	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 900	1492	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe	28
PID 1492 wrote to memory of 900	1492	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe	28
PID 1492 wrote to memory of 900	1492	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe	28
PID 1492 wrote to memory of 900	1492	f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe	28

C:\Users\Admin\AppData\Local\Temp\f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe
"C:\Users\Admin\AppData\Local\Temp\f8583bbc538afb2906b411026644b33d7329c45c45c435f1c5a6d507ec9fa90a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 460
  2⤵
  - Program crash
  PID:900

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\112813034339\LZMA.dll

Filesize
67KB

MD5
d0f2416807f04c559e6394a0a4c7f1d1

SHA1
7df43ffa3716156d282b1e37d12dd1122f0a762c

SHA256
0fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc

SHA512
8199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799

Download Submit
memory/1492-54-0x0000000075921000-0x0000000075923000-memory.dmp

Filesize
8KB

Download