ddbec48cb5402919199d97220cf6646f7c270f91dbeb7e179d54a439d4555256

Analysis

max time kernel
41s
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 18:52

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General

Target

ddbec48cb5402919199d97220cf6646f7c270f91dbeb7e179d54a439d4555256.rar
Size

7.8MB
MD5

6556997cc9dc59bd4c31211bb2ae70f3
SHA1

377f116ced2a0156e800c1e09b6e96721efb0c09
SHA256

ddbec48cb5402919199d97220cf6646f7c270f91dbeb7e179d54a439d4555256
SHA512

763cf97e6e326596ee17a999c89a7684e7235a5cfb7ab342b286bfe86cb7cc9dcf0a930dcc3f6f1d7af1bd30fd1a2c0120c11b15fd9bdecc09f93b126664483b

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-1-5-21-4084403625-2215941253-1760665084-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

1000 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1000 vlc.exe
Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

vlc.exe

pid process

1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

vlc.exe

pid process

1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
1000 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

1000 vlc.exe

pid	process
1000	vlc.exe

pid	process
1000	vlc.exe

pid	process
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe

pid	process
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe
1000	vlc.exe

pid	process
1000	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1988 wrote to memory of 1252	1988	cmd.exe	rundll32.exe
PID 1988 wrote to memory of 1252	1988	cmd.exe	rundll32.exe
PID 1988 wrote to memory of 1252	1988	cmd.exe	rundll32.exe
PID 1252 wrote to memory of 1000	1252	rundll32.exe	vlc.exe
PID 1252 wrote to memory of 1000	1252	rundll32.exe	vlc.exe
PID 1252 wrote to memory of 1000	1252	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ddbec48cb5402919199d97220cf6646f7c270f91dbeb7e179d54a439d4555256.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ddbec48cb5402919199d97220cf6646f7c270f91dbeb7e179d54a439d4555256.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1252

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\ddbec48cb5402919199d97220cf6646f7c270f91dbeb7e179d54a439d4555256.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1000

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/1000-81-0x0000000000000000-mapping.dmp

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memory/1252-76-0x0000000000000000-mapping.dmp

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memory/1988-54-0x000007FEFBF21000-0x000007FEFBF23000-memory.dmp

Filesize
8KB

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