57d2eb5dae4dd6a0a3f972adb4dbd27262e1155b839acaaa9ee72657d6d58c31

Analysis

max time kernel
44s
max time network
50s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
27-07-2022 18:52

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General

Target

57d2eb5dae4dd6a0a3f972adb4dbd27262e1155b839acaaa9ee72657d6d58c31.rar
Size

7.8MB
MD5

dd41905013365151acce0fb08d1eb0de
SHA1

a25b70dc55692569b19e571e8cfce96a0d30cccd
SHA256

57d2eb5dae4dd6a0a3f972adb4dbd27262e1155b839acaaa9ee72657d6d58c31
SHA512

461f524cfd83072da284839032fc15e93fdd044142b30008f20ecbdae068afb184757a00b12118515d978b92ec2c3b10e3a8575daf13c6f6589e5cbf8278037f

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

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

556 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

556 vlc.exe
Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

vlc.exe

pid process

556 vlc.exe
556 vlc.exe
556 vlc.exe
556 vlc.exe
556 vlc.exe
556 vlc.exe
556 vlc.exe
556 vlc.exe
556 vlc.exe
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

vlc.exe

pid process

556 vlc.exe
556 vlc.exe
556 vlc.exe
556 vlc.exe
556 vlc.exe
556 vlc.exe
556 vlc.exe
556 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

556 vlc.exe

pid	process
556	vlc.exe

pid	process
556	vlc.exe

pid	process
556	vlc.exe
556	vlc.exe
556	vlc.exe
556	vlc.exe
556	vlc.exe
556	vlc.exe
556	vlc.exe
556	vlc.exe
556	vlc.exe

pid	process
556	vlc.exe
556	vlc.exe
556	vlc.exe
556	vlc.exe
556	vlc.exe
556	vlc.exe
556	vlc.exe
556	vlc.exe

pid	process
556	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 916 wrote to memory of 1940	916	cmd.exe	rundll32.exe
PID 916 wrote to memory of 1940	916	cmd.exe	rundll32.exe
PID 916 wrote to memory of 1940	916	cmd.exe	rundll32.exe
PID 1940 wrote to memory of 556	1940	rundll32.exe	vlc.exe
PID 1940 wrote to memory of 556	1940	rundll32.exe	vlc.exe
PID 1940 wrote to memory of 556	1940	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\57d2eb5dae4dd6a0a3f972adb4dbd27262e1155b839acaaa9ee72657d6d58c31.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:916

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\57d2eb5dae4dd6a0a3f972adb4dbd27262e1155b839acaaa9ee72657d6d58c31.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1940

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\57d2eb5dae4dd6a0a3f972adb4dbd27262e1155b839acaaa9ee72657d6d58c31.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:556

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/556-81-0x0000000000000000-mapping.dmp

Download
memory/916-54-0x000007FEFB6E1000-0x000007FEFB6E3000-memory.dmp

Filesize
8KB

Download
memory/1940-76-0x0000000000000000-mapping.dmp

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