e42b4c09ae3105de7d09722b26d60fa1268771d46907c36e2dbc57b4f8a22227

Analysis

max time kernel
42s
max time network
47s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
27-07-2022 18:51

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General

Target

e42b4c09ae3105de7d09722b26d60fa1268771d46907c36e2dbc57b4f8a22227.rar
Size

7.6MB
MD5

57eb3b48fc86d1739c946a024270128f
SHA1

6fe9aa7ecfcdf575c033821d51ce5e9c7ba1b4bb
SHA256

e42b4c09ae3105de7d09722b26d60fa1268771d46907c36e2dbc57b4f8a22227
SHA512

6f1e38e1bda51e08a6d3084677329690665a540f9ffbbd56c99c8343b5dd3182048359609cd4369e86609dc31e093b68af1e94515e5dff7cf44c7c83265aabfa

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-1-5-21-3762437355-3468409815-1164039494-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

1364 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1364 vlc.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

vlc.exe

pid process

1364 vlc.exe
1364 vlc.exe
1364 vlc.exe
1364 vlc.exe
1364 vlc.exe
1364 vlc.exe
1364 vlc.exe
1364 vlc.exe
Suspicious use of SendNotifyMessage 7 IoCs

Processes:

vlc.exe

pid process

1364 vlc.exe
1364 vlc.exe
1364 vlc.exe
1364 vlc.exe
1364 vlc.exe
1364 vlc.exe
1364 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

1364 vlc.exe

pid	process
1364	vlc.exe

pid	process
1364	vlc.exe

pid	process
1364	vlc.exe
1364	vlc.exe
1364	vlc.exe
1364	vlc.exe
1364	vlc.exe
1364	vlc.exe
1364	vlc.exe
1364	vlc.exe

pid	process
1364	vlc.exe
1364	vlc.exe
1364	vlc.exe
1364	vlc.exe
1364	vlc.exe
1364	vlc.exe
1364	vlc.exe

pid	process
1364	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1996 wrote to memory of 1468	1996	cmd.exe	rundll32.exe
PID 1996 wrote to memory of 1468	1996	cmd.exe	rundll32.exe
PID 1996 wrote to memory of 1468	1996	cmd.exe	rundll32.exe
PID 1468 wrote to memory of 1364	1468	rundll32.exe	vlc.exe
PID 1468 wrote to memory of 1364	1468	rundll32.exe	vlc.exe
PID 1468 wrote to memory of 1364	1468	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\e42b4c09ae3105de7d09722b26d60fa1268771d46907c36e2dbc57b4f8a22227.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\e42b4c09ae3105de7d09722b26d60fa1268771d46907c36e2dbc57b4f8a22227.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1468

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\e42b4c09ae3105de7d09722b26d60fa1268771d46907c36e2dbc57b4f8a22227.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1364

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/1364-81-0x0000000000000000-mapping.dmp

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memory/1468-76-0x0000000000000000-mapping.dmp

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memory/1996-54-0x000007FEFB801000-0x000007FEFB803000-memory.dmp

Filesize
8KB

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