0e7172d2b26149e5f0545734d604568de1f7b1972a28af77051fee896e2e5968

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12/01/2023, 17:27

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General

Target

ItB_Fix_Repair_Steam_Generic.rar
Size

4.7MB
MD5

f5071d68c9b8e0146d6ba8390f0bb5fd
SHA1

ac1ee9d7f69fe5d8ea03fd1a4847a404ae2401a6
SHA256

0e7172d2b26149e5f0545734d604568de1f7b1972a28af77051fee896e2e5968
SHA512

abfe4d6a623a8a37a67ae7807df4f39d773b4c80996b2f0b03348ba2316a009e4b9ffd1561500950a683d54dd457e08b88bfa42650576e4cb8f29cf1fea4e145
SSDEEP

98304:TemM3T4LdBaRcBeb1zmDsSRWn4JZGBtTPstBW7Lnyi5R:TehT4ZbwxSRWnmoBBPUBW7Lnyif

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-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
736	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
736	vlc.exe

Suspicious use of FindShellTrayWindow 10 IoCs

pid	Process
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe

Suspicious use of SendNotifyMessage 9 IoCs

pid	Process
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe
736	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
736	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 888	900	cmd.exe	28
PID 900 wrote to memory of 888	900	cmd.exe	28
PID 900 wrote to memory of 888	900	cmd.exe	28
PID 888 wrote to memory of 736	888	rundll32.exe	29
PID 888 wrote to memory of 736	888	rundll32.exe	29
PID 888 wrote to memory of 736	888	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ItB_Fix_Repair_Steam_Generic.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ItB_Fix_Repair_Steam_Generic.rar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:888
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\ItB_Fix_Repair_Steam_Generic.rar"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:736

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

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Downloads

memory/900-54-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

Filesize
8KB

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