43e47a037425c2efb68f0ba0004f7e851e8c242c5fa7ae6ade0e54fdd81e380a

Analysis

max time kernel
140s
max time network
34s
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/(양식) 제20대 대통령 취임식 재외동포 참석자 추천 명단(국민의힘당원 000).rar
Size

99KB
MD5

e9cd4c60582a587416c4807c890f8a5b
SHA1

4d609e2914a4270fac3d9c416e78e27f221b7e91
SHA256

7d899e2baef34c189185511eaa3cbc94429c5000c9bd37de232192832149f8a4
SHA512

09e8cf9e0d7f2cec000130f525d26702d2a16cdf7e88b5b9698f2de22ed447e9f0de87e92c0815af2757f00547364ca676fbc0ff048886ae3e248a098ea451d2
SSDEEP

1536:aGRi7Zwe18uT6SYujbsXBWKM+SliUneM9f6ioQq+dfBEQrf0li2nw3IiJZpX1:aGle1WSYmIRWKMKM9f4dYBBduw3dJZP

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-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

528 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

528 vlc.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

vlc.exe

pid process

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

Processes:

vlc.exe

pid process

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

Processes:

vlc.exe

pid process

528 vlc.exe

pid	process
528	vlc.exe

pid	process
528	vlc.exe

pid	process
528	vlc.exe
528	vlc.exe
528	vlc.exe
528	vlc.exe
528	vlc.exe
528	vlc.exe
528	vlc.exe
528	vlc.exe

pid	process
528	vlc.exe
528	vlc.exe
528	vlc.exe
528	vlc.exe
528	vlc.exe
528	vlc.exe
528	vlc.exe

pid	process
528	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1572 wrote to memory of 772	1572	cmd.exe	rundll32.exe
PID 1572 wrote to memory of 772	1572	cmd.exe	rundll32.exe
PID 1572 wrote to memory of 772	1572	cmd.exe	rundll32.exe
PID 772 wrote to memory of 528	772	rundll32.exe	vlc.exe
PID 772 wrote to memory of 528	772	rundll32.exe	vlc.exe
PID 772 wrote to memory of 528	772	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 1\(양식) 제20대 대통령 취임식 재외동포 참석자 추천 명단(국민의힘당원 000).rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1572

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\(양식) 제20대 대통령 취임식 재외동포 참석자 추천 명단(국민의힘당원 000).rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:772

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\(양식) 제20대 대통령 취임식 재외동포 참석자 추천 명단(국민의힘당원 000).rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:528

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/528-83-0x000000013F530000-0x000000013F628000-memory.dmp

Filesize
992KB

Download
memory/528-84-0x000007FEFADF0000-0x000007FEFAE24000-memory.dmp

Filesize
208KB

Download
memory/528-85-0x000007FEF6CD0000-0x000007FEF6F84000-memory.dmp

Filesize
2.7MB

Download
memory/528-86-0x000007FEFBC70000-0x000007FEFBC88000-memory.dmp

Filesize
96KB

Download
memory/528-87-0x000007FEF7120000-0x000007FEF7137000-memory.dmp

Filesize
92KB

Download
memory/528-88-0x000007FEF7100000-0x000007FEF7111000-memory.dmp

Filesize
68KB

Download
memory/528-89-0x000007FEF70E0000-0x000007FEF70F7000-memory.dmp

Filesize
92KB

Download
memory/528-90-0x000007FEF70C0000-0x000007FEF70D1000-memory.dmp

Filesize
68KB

Download
memory/528-91-0x000007FEF6CB0000-0x000007FEF6CCD000-memory.dmp

Filesize
116KB

Download
memory/528-92-0x000007FEF6C90000-0x000007FEF6CA1000-memory.dmp

Filesize
68KB

Download
memory/528-93-0x000007FEF69E0000-0x000007FEF6BE0000-memory.dmp

Filesize
2.0MB

Download
memory/528-94-0x000007FEF5930000-0x000007FEF69DB000-memory.dmp

Filesize
16.7MB

Download
memory/528-96-0x000007FEF6C20000-0x000007FEF6C41000-memory.dmp

Filesize
132KB

Download
memory/528-95-0x000007FEF6C50000-0x000007FEF6C8F000-memory.dmp

Filesize
252KB

Download
memory/528-97-0x000007FEF5910000-0x000007FEF5928000-memory.dmp

Filesize
96KB

Download
memory/528-98-0x000007FEF58F0000-0x000007FEF5901000-memory.dmp

Filesize
68KB

Download
memory/528-99-0x000007FEF58D0000-0x000007FEF58E1000-memory.dmp

Filesize
68KB

Download
memory/528-100-0x000007FEF58B0000-0x000007FEF58C1000-memory.dmp

Filesize
68KB

Download
memory/528-101-0x000007FEF5890000-0x000007FEF58AB000-memory.dmp

Filesize
108KB

Download
memory/528-102-0x000007FEF5870000-0x000007FEF5881000-memory.dmp

Filesize
68KB

Download
memory/528-103-0x000007FEF5850000-0x000007FEF5868000-memory.dmp

Filesize
96KB

Download
memory/528-104-0x000007FEF5820000-0x000007FEF5850000-memory.dmp

Filesize
192KB

Download
memory/528-105-0x000007FEF57B0000-0x000007FEF5817000-memory.dmp

Filesize
412KB

Download
memory/528-106-0x000007FEF5740000-0x000007FEF57AF000-memory.dmp

Filesize
444KB

Download
memory/528-107-0x000007FEF5720000-0x000007FEF5731000-memory.dmp

Filesize
68KB

Download
memory/528-108-0x000007FEF56C0000-0x000007FEF5716000-memory.dmp

Filesize
344KB

Download
memory/528-109-0x000007FEF5690000-0x000007FEF56B8000-memory.dmp

Filesize
160KB

Download
memory/528-110-0x000007FEF5660000-0x000007FEF5684000-memory.dmp

Filesize
144KB

Download
memory/528-111-0x000007FEF5640000-0x000007FEF5657000-memory.dmp

Filesize
92KB

Download
memory/528-112-0x000007FEF5610000-0x000007FEF5633000-memory.dmp

Filesize
140KB

Download
memory/528-113-0x000007FEF55F0000-0x000007FEF5601000-memory.dmp

Filesize
68KB

Download
memory/528-115-0x000007FEF55A0000-0x000007FEF55C1000-memory.dmp

Filesize
132KB

Download
memory/528-114-0x000007FEF55D0000-0x000007FEF55E2000-memory.dmp

Filesize
72KB

Download
memory/528-117-0x000007FEFB3B0000-0x000007FEFB3C2000-memory.dmp

Filesize
72KB

Download
memory/528-116-0x000007FEF5580000-0x000007FEF5593000-memory.dmp

Filesize
76KB

Download
memory/528-118-0x000007FEF5440000-0x000007FEF557B000-memory.dmp

Filesize
1.2MB

Download
memory/528-119-0x000007FEFB380000-0x000007FEFB3AC000-memory.dmp

Filesize
176KB

Download
memory/528-120-0x000007FEF5280000-0x000007FEF5432000-memory.dmp

Filesize
1.7MB

Download
memory/528-121-0x000007FEFB320000-0x000007FEFB37C000-memory.dmp

Filesize
368KB

Download
memory/528-122-0x000007FEF5190000-0x000007FEF51A1000-memory.dmp

Filesize
68KB

Download
memory/528-123-0x000007FEF50F0000-0x000007FEF5187000-memory.dmp

Filesize
604KB

Download
memory/528-124-0x000007FEF50D0000-0x000007FEF50E2000-memory.dmp

Filesize
72KB

Download
memory/528-125-0x000007FEF4E90000-0x000007FEF50C1000-memory.dmp

Filesize
2.2MB

Download
memory/528-126-0x000007FEF4CD0000-0x000007FEF4DE2000-memory.dmp

Filesize
1.1MB

Download
memory/528-127-0x000007FEF4C90000-0x000007FEF4CC5000-memory.dmp

Filesize
212KB

Download
memory/528-133-0x000007FEF4B00000-0x000007FEF4B13000-memory.dmp

Filesize
76KB

Download
memory/528-132-0x000007FEF4B20000-0x000007FEF4B32000-memory.dmp

Filesize
72KB

Download
memory/528-131-0x000007FEF4B40000-0x000007FEF4B51000-memory.dmp

Filesize
68KB

Download
memory/528-130-0x000007FEF4BD0000-0x000007FEF4C31000-memory.dmp

Filesize
388KB

Download
memory/528-129-0x000007FEF4C40000-0x000007FEF4C51000-memory.dmp

Filesize
68KB

Download
memory/528-128-0x000007FEF4C60000-0x000007FEF4C85000-memory.dmp

Filesize
148KB

Download
memory/528-136-0x000007FEF44C0000-0x000007FEF45C2000-memory.dmp

Filesize
1.0MB

Download
memory/528-141-0x000007FEF3CE0000-0x000007FEF3CF8000-memory.dmp

Filesize
96KB

Download
memory/528-143-0x000007FEF3C90000-0x000007FEF3CB9000-memory.dmp

Filesize
164KB

Download
memory/528-144-0x000007FEF3C70000-0x000007FEF3C82000-memory.dmp

Filesize
72KB

Download
memory/528-146-0x000007FEF3C30000-0x000007FEF3C41000-memory.dmp

Filesize
68KB

Download
memory/528-145-0x000007FEF3C50000-0x000007FEF3C61000-memory.dmp

Filesize
68KB

Download
memory/528-142-0x000007FEF3CC0000-0x000007FEF3CD6000-memory.dmp

Filesize
88KB

Download
memory/528-140-0x000007FEF3D00000-0x000007FEF3D12000-memory.dmp

Filesize
72KB

Download
memory/528-139-0x000007FEF3D60000-0x000007FEF3D71000-memory.dmp

Filesize
68KB

Download
memory/528-138-0x000007FEF3D80000-0x000007FEF3D91000-memory.dmp

Filesize
68KB

Download
memory/528-137-0x000007FEF3B80000-0x000007FEF3B91000-memory.dmp

Filesize
68KB

Download
memory/528-135-0x000007FEF4A40000-0x000007FEF4A51000-memory.dmp

Filesize
68KB

Download
memory/528-134-0x000007FEF4A60000-0x000007FEF4AFF000-memory.dmp

Filesize
636KB

Download