6bb433775d62ea77cb78f96db1afd0957c531805dbb26c4cd020fd39b58e623f

Analysis

max time kernel
16s
max time network
46s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
11-02-2023 13:28

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General

Target

PURCHASE ORDER INQUIRY DB PO_#33344.rar
Size

21KB
MD5

de4c5c197dabfaae0c03dd75406f8267
SHA1

2604274695684274232742ee0d708a6363068b48
SHA256

bf708deb111ff90539629bc6222a5ea252cc21fafd36c4058eddfaf6c219d1b5
SHA512

f024d3327c0af7c8e133ad69175072fc8c5abc87754a4b021d064684eba97a07bfa31c470fdc3ec1f48e77552cccb4ec32e36a0d8c3475b3d69a666173dc7755
SSDEEP

384:EodgxLqw2TMzp8C8Y9Af03iCIpCU59L+L5qohCZaYw7fEi1jFcwWWiVDqr:Ngx1YonYctmr9LNoXYEfTWWsy

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
1492	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1492	vlc.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
1492	vlc.exe
1492	vlc.exe
1492	vlc.exe
1492	vlc.exe
1492	vlc.exe
1492	vlc.exe
1492	vlc.exe
1492	vlc.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
1492	vlc.exe
1492	vlc.exe
1492	vlc.exe
1492	vlc.exe
1492	vlc.exe
1492	vlc.exe
1492	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1492	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 1036	1828	cmd.exe	29
PID 1828 wrote to memory of 1036	1828	cmd.exe	29
PID 1828 wrote to memory of 1036	1828	cmd.exe	29
PID 1036 wrote to memory of 1492	1036	rundll32.exe	30
PID 1036 wrote to memory of 1492	1036	rundll32.exe	30
PID 1036 wrote to memory of 1492	1036	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER INQUIRY DB PO_#33344.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER INQUIRY DB PO_#33344.rar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER INQUIRY DB PO_#33344.rar"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:1492

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

memory/1036-76-0x0000000000000000-mapping.dmp

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memory/1492-81-0x0000000000000000-mapping.dmp

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memory/1828-54-0x000007FEFBAF1000-0x000007FEFBAF3000-memory.dmp

Filesize
8KB

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