59e0d15fcdf92551a204c7e71776a88f54ea9df74e2ba2cfb04e7582c04dec81

Analysis

max time kernel
41s
max time network
49s
platform
windows7_x64
resource
win7-20220812-es
resource tags

arch:x64arch:x86image:win7-20220812-eslocale:es-esos:windows7-x64systemwindows
submitted
09-02-2023 22:41

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General

Target

Hoic.rar
Size

1.7MB
MD5

ba60fe26a85d5f5b6338d562930aeff2
SHA1

499b6643dd5a7f1dd4d57506041c1207e657bce0
SHA256

59e0d15fcdf92551a204c7e71776a88f54ea9df74e2ba2cfb04e7582c04dec81
SHA512

2fcc74e1c44ae2a9829d53eb6f7946965ad6f8d88b2ebaf8df223c881b99066c155cc94a3c566cfe08ebfe1eded6615df410ee30dc0c9877aba1c9daa44217ec
SSDEEP

49152:YQs04R8oXUEgIRnwN/INLZw8NoibprkwSIdwHQa:zSRYfNANLZw8NLbZudh

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-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
268	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
268	vlc.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
268	vlc.exe
268	vlc.exe
268	vlc.exe
268	vlc.exe
268	vlc.exe
268	vlc.exe
268	vlc.exe
268	vlc.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
268	vlc.exe
268	vlc.exe
268	vlc.exe
268	vlc.exe
268	vlc.exe
268	vlc.exe
268	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
268	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 1104	1120	cmd.exe	29
PID 1120 wrote to memory of 1104	1120	cmd.exe	29
PID 1120 wrote to memory of 1104	1120	cmd.exe	29
PID 1104 wrote to memory of 268	1104	rundll32.exe	30
PID 1104 wrote to memory of 268	1104	rundll32.exe	30
PID 1104 wrote to memory of 268	1104	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Hoic.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Hoic.rar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1104
- - C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\Hoic.rar"
    3⤵
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:268

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/1120-54-0x000007FEFBC21000-0x000007FEFBC23000-memory.dmp

Filesize
8KB

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