5ed125ac97b0533b1901f0da2a4a0e607db2aa093f4b10ccb6f615def99ba041

Analysis

max time kernel
43s
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 18:53

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General

Target

5ed125ac97b0533b1901f0da2a4a0e607db2aa093f4b10ccb6f615def99ba041.rar
Size

7.4MB
MD5

0422953883c954bee029983989cb0311
SHA1

6b5b37384e78bb187659c8096a1dfca5d78ede95
SHA256

5ed125ac97b0533b1901f0da2a4a0e607db2aa093f4b10ccb6f615def99ba041
SHA512

866c3ba1bca939d83875c235c7ea79b3780e2f7aba87d3cffb7c6d7b712c3de0ca8bbb279fe462301a4ac1e306f4ab7005adc2ec5e93ea466c57e192fc2b0a28

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

1244 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1244 vlc.exe
Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

vlc.exe

pid process

1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

vlc.exe

pid process

1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
1244 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

1244 vlc.exe

pid	process
1244	vlc.exe

pid	process
1244	vlc.exe

pid	process
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe

pid	process
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe
1244	vlc.exe

pid	process
1244	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1104 wrote to memory of 2036	1104	cmd.exe	rundll32.exe
PID 1104 wrote to memory of 2036	1104	cmd.exe	rundll32.exe
PID 1104 wrote to memory of 2036	1104	cmd.exe	rundll32.exe
PID 2036 wrote to memory of 1244	2036	rundll32.exe	vlc.exe
PID 2036 wrote to memory of 1244	2036	rundll32.exe	vlc.exe
PID 2036 wrote to memory of 1244	2036	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\5ed125ac97b0533b1901f0da2a4a0e607db2aa093f4b10ccb6f615def99ba041.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:1104

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\5ed125ac97b0533b1901f0da2a4a0e607db2aa093f4b10ccb6f615def99ba041.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2036

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\5ed125ac97b0533b1901f0da2a4a0e607db2aa093f4b10ccb6f615def99ba041.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1244

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/1104-54-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

Filesize
8KB

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memory/1244-81-0x0000000000000000-mapping.dmp

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memory/2036-76-0x0000000000000000-mapping.dmp

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