8c4d1f09b5d8a83d7b419b48893b68ad5d99e600622c0fa5c7bff63707bf5db3

Resubmissions

11/02/2023, 15:54

230211-tckctahh3s 3

Analysis

max time kernel
30s
max time network
35s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
11/02/2023, 15:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

youhackerSt.rar
Size

2.6MB
MD5

33a1d1bbed094e27db66bddeeab4e5dc
SHA1

5354677b25e68ad91b389442d4b5b1e65546d84b
SHA256

8c4d1f09b5d8a83d7b419b48893b68ad5d99e600622c0fa5c7bff63707bf5db3
SHA512

d439a12ce967af3299eabe13b14e55bd2a6d5048b30308a76567b7dd860add8cfd712986da6958824f16fa3c74ac2d07dd5601a4a3a32368cc113933adcfe356
SSDEEP

49152:HqDDGnqXwBoZd89O2lUEJcnBDSoyK3Yqjf5FGO2U8MaaR:HYCqABoPEXl3iBDSoypoklMaaR

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
776	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
776	vlc.exe

Suspicious use of FindShellTrayWindow 9 IoCs

pid	Process
776	vlc.exe
776	vlc.exe
776	vlc.exe
776	vlc.exe
776	vlc.exe
776	vlc.exe
776	vlc.exe
776	vlc.exe
776	vlc.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
776	vlc.exe
776	vlc.exe
776	vlc.exe
776	vlc.exe
776	vlc.exe
776	vlc.exe
776	vlc.exe
776	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
776	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 528	532	cmd.exe	29
PID 532 wrote to memory of 528	532	cmd.exe	29
PID 532 wrote to memory of 528	532	cmd.exe	29
PID 528 wrote to memory of 776	528	rundll32.exe	30
PID 528 wrote to memory of 776	528	rundll32.exe	30
PID 528 wrote to memory of 776	528	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\youhackerSt.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:532
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\youhackerSt.rar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:528
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\youhackerSt.rar"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:776

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

memory/532-54-0x000007FEFC191000-0x000007FEFC193000-memory.dmp

Filesize
8KB

Download