43e47a037425c2efb68f0ba0004f7e851e8c242c5fa7ae6ade0e54fdd81e380a

Analysis

max time kernel
161s
max time network
38s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21-03-2023 23:12

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General

Target

APT 37 Previous Commits 1/202203_5_06.rar
Size

151KB
MD5

6db5f68b74c8ba397104da419fcc831d
SHA1

b4572b01d719b9a4ff8489f8b42fe7fb216bcda3
SHA256

35ea90ba0d75a758abec880413c3f87d171bf34d93465fa868e6a09e5058daaf
SHA512

5b10fb6b2a848d0c332871aee56f07042668ece0150e3d14460f3c0af4c1c0ea18ecce310c76caf6676f7c5416eea08df1decdf17a2264b3e24f50974f8026bd
SSDEEP

3072:UYSEnQ/NXYzNS3X23isUtbHn5BS/T+iSfwQLGv8zgch0Zx+/G0QnHsRgEeIXY:nS9lwNaXYisUt50TXSf7LGmVhBKnyPlo

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-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

1584 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1584 vlc.exe
Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

vlc.exe

pid process

1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

vlc.exe

pid process

1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
1584 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

1584 vlc.exe

pid	process
1584	vlc.exe

pid	process
1584	vlc.exe

pid	process
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe

pid	process
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe
1584	vlc.exe

pid	process
1584	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1744 wrote to memory of 1164	1744	cmd.exe	rundll32.exe
PID 1744 wrote to memory of 1164	1744	cmd.exe	rundll32.exe
PID 1744 wrote to memory of 1164	1744	cmd.exe	rundll32.exe
PID 1164 wrote to memory of 1584	1164	rundll32.exe	vlc.exe
PID 1164 wrote to memory of 1584	1164	rundll32.exe	vlc.exe
PID 1164 wrote to memory of 1584	1164	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 1\202203_5_06.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 1\202203_5_06.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1164

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 1\202203_5_06.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1584

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/1584-83-0x000000013F340000-0x000000013F438000-memory.dmp

Filesize
992KB

Download
memory/1584-84-0x000007FEFB7D0000-0x000007FEFB804000-memory.dmp

Filesize
208KB

Download
memory/1584-85-0x000007FEF6EE0000-0x000007FEF7194000-memory.dmp

Filesize
2.7MB

Download
memory/1584-86-0x000007FEFBC90000-0x000007FEFBCA8000-memory.dmp

Filesize
96KB

Download
memory/1584-87-0x000007FEFB740000-0x000007FEFB757000-memory.dmp

Filesize
92KB

Download
memory/1584-88-0x000007FEFB720000-0x000007FEFB731000-memory.dmp

Filesize
68KB

Download
memory/1584-89-0x000007FEFB700000-0x000007FEFB717000-memory.dmp

Filesize
92KB

Download
memory/1584-90-0x000007FEFB490000-0x000007FEFB4A1000-memory.dmp

Filesize
68KB

Download
memory/1584-91-0x000007FEFB1C0000-0x000007FEFB1DD000-memory.dmp

Filesize
116KB

Download
memory/1584-92-0x000007FEF6CE0000-0x000007FEF6EE0000-memory.dmp

Filesize
2.0MB

Download
memory/1584-93-0x000007FEFB1A0000-0x000007FEFB1B1000-memory.dmp

Filesize
68KB

Download
memory/1584-94-0x000007FEFB160000-0x000007FEFB19F000-memory.dmp

Filesize
252KB

Download
memory/1584-95-0x000007FEFB130000-0x000007FEFB151000-memory.dmp

Filesize
132KB

Download
memory/1584-96-0x000007FEF7460000-0x000007FEF7478000-memory.dmp

Filesize
96KB

Download
memory/1584-97-0x000007FEF5450000-0x000007FEF64FB000-memory.dmp

Filesize
16.7MB

Download
memory/1584-98-0x000007FEF7440000-0x000007FEF7451000-memory.dmp

Filesize
68KB

Download
memory/1584-99-0x000007FEF7420000-0x000007FEF7431000-memory.dmp

Filesize
68KB

Download
memory/1584-100-0x000007FEF7400000-0x000007FEF7411000-memory.dmp

Filesize
68KB

Download
memory/1584-101-0x000007FEF73E0000-0x000007FEF73FB000-memory.dmp

Filesize
108KB

Download
memory/1584-102-0x000007FEF73C0000-0x000007FEF73D1000-memory.dmp

Filesize
68KB

Download
memory/1584-103-0x000007FEF73A0000-0x000007FEF73B8000-memory.dmp

Filesize
96KB

Download
memory/1584-104-0x000007FEF7370000-0x000007FEF73A0000-memory.dmp

Filesize
192KB

Download
memory/1584-105-0x000007FEF7300000-0x000007FEF7367000-memory.dmp

Filesize
412KB

Download
memory/1584-106-0x000007FEF6C70000-0x000007FEF6CDF000-memory.dmp

Filesize
444KB

Download
memory/1584-107-0x000007FEF72E0000-0x000007FEF72F1000-memory.dmp

Filesize
68KB

Download
memory/1584-108-0x000007FEF6C10000-0x000007FEF6C66000-memory.dmp

Filesize
344KB

Download
memory/1584-109-0x000007FEF6BE0000-0x000007FEF6C08000-memory.dmp

Filesize
160KB

Download
memory/1584-110-0x000007FEF6BB0000-0x000007FEF6BD4000-memory.dmp

Filesize
144KB

Download
memory/1584-111-0x000007FEF72C0000-0x000007FEF72D7000-memory.dmp

Filesize
92KB

Download
memory/1584-112-0x000007FEF6B80000-0x000007FEF6BA3000-memory.dmp

Filesize
140KB

Download
memory/1584-113-0x000007FEF6B60000-0x000007FEF6B71000-memory.dmp

Filesize
68KB

Download
memory/1584-114-0x000007FEF6B40000-0x000007FEF6B52000-memory.dmp

Filesize
72KB

Download
memory/1584-115-0x000007FEF6B10000-0x000007FEF6B31000-memory.dmp

Filesize
132KB

Download
memory/1584-116-0x000007FEF6AF0000-0x000007FEF6B03000-memory.dmp

Filesize
76KB

Download
memory/1584-117-0x000007FEF6AD0000-0x000007FEF6AE2000-memory.dmp

Filesize
72KB

Download
memory/1584-118-0x000007FEF6970000-0x000007FEF6AAB000-memory.dmp

Filesize
1.2MB

Download
memory/1584-119-0x000007FEF6940000-0x000007FEF696C000-memory.dmp

Filesize
176KB

Download
memory/1584-120-0x000007FEF6780000-0x000007FEF6932000-memory.dmp

Filesize
1.7MB

Download
memory/1584-121-0x000007FEF6650000-0x000007FEF66AC000-memory.dmp

Filesize
368KB

Download
memory/1584-122-0x000007FEF6630000-0x000007FEF6641000-memory.dmp

Filesize
68KB

Download
memory/1584-123-0x000007FEF6590000-0x000007FEF6627000-memory.dmp

Filesize
604KB

Download
memory/1584-124-0x000007FEF6570000-0x000007FEF6582000-memory.dmp

Filesize
72KB

Download
memory/1584-125-0x000007FEF5030000-0x000007FEF5261000-memory.dmp

Filesize
2.2MB

Download
memory/1584-126-0x000007FEF4EA0000-0x000007FEF4FB2000-memory.dmp

Filesize
1.1MB

Download
memory/1584-127-0x000007FEF6530000-0x000007FEF6565000-memory.dmp

Filesize
212KB

Download
memory/1584-128-0x000007FEF42E0000-0x000007FEF4305000-memory.dmp

Filesize
148KB

Download
memory/1584-129-0x000007FEF6510000-0x000007FEF6521000-memory.dmp

Filesize
68KB

Download
memory/1584-130-0x000007FEF4210000-0x000007FEF4271000-memory.dmp

Filesize
388KB

Download
memory/1584-131-0x000007FEF41F0000-0x000007FEF4201000-memory.dmp

Filesize
68KB

Download
memory/1584-132-0x000007FEF41D0000-0x000007FEF41E2000-memory.dmp

Filesize
72KB

Download
memory/1584-133-0x000007FEF41B0000-0x000007FEF41C3000-memory.dmp

Filesize
76KB

Download
memory/1584-134-0x000007FEF4110000-0x000007FEF41AF000-memory.dmp

Filesize
636KB

Download
memory/1584-135-0x000007FEF40F0000-0x000007FEF4101000-memory.dmp

Filesize
68KB

Download
memory/1584-136-0x000007FEF3FE0000-0x000007FEF40E2000-memory.dmp

Filesize
1.0MB

Download
memory/1584-137-0x000007FEF3F80000-0x000007FEF3F91000-memory.dmp

Filesize
68KB

Download
memory/1584-138-0x000007FEF3F60000-0x000007FEF3F71000-memory.dmp

Filesize
68KB

Download
memory/1584-139-0x000007FEF3F40000-0x000007FEF3F51000-memory.dmp

Filesize
68KB

Download
memory/1584-140-0x000007FEF3F20000-0x000007FEF3F32000-memory.dmp

Filesize
72KB

Download
memory/1584-141-0x000007FEF3F00000-0x000007FEF3F18000-memory.dmp

Filesize
96KB

Download
memory/1584-142-0x000007FEF3EE0000-0x000007FEF3EF6000-memory.dmp

Filesize
88KB

Download
memory/1584-143-0x000007FEF3EB0000-0x000007FEF3ED9000-memory.dmp

Filesize
164KB

Download
memory/1584-144-0x000007FEF3E90000-0x000007FEF3EA2000-memory.dmp

Filesize
72KB

Download
memory/1584-145-0x000007FEF3E70000-0x000007FEF3E81000-memory.dmp

Filesize
68KB

Download
memory/1584-146-0x000007FEF3E50000-0x000007FEF3E61000-memory.dmp

Filesize
68KB

Download