43e47a037425c2efb68f0ba0004f7e851e8c242c5fa7ae6ade0e54fdd81e380a

Analysis

max time kernel
140s
max time network
30s
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 1/2022.04.27.rar
Size

34KB
MD5

9d85c8378b5f1edefb1e9837b3abb74f
SHA1

260aa9a8dd981f3e9b4372275e7b9a6cb5fb9b40
SHA256

360512254b342558d8f17305b673b75c7d7986f12aae2f602952298cacf5d238
SHA512

d3491f75d1f8d09a6aacbde5b9035b23c7aa2e8c73e38b9445a91f58b419a3015e4a7d2fe06488193fe831c419ca04564404fef993c2499dff18ad444037cdbe
SSDEEP

768:VfONuc4JWVJrzPWGnXJoMU83dg2HErxGDtU7Vy1j7I6iVGtNP:lTkDrb5d9Ng2o8tB66oup

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

976 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

976 vlc.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

vlc.exe

pid process

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

Processes:

vlc.exe

pid process

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

Processes:

vlc.exe

pid process

976 vlc.exe

pid	process
976	vlc.exe

pid	process
976	vlc.exe

pid	process
976	vlc.exe
976	vlc.exe
976	vlc.exe
976	vlc.exe
976	vlc.exe
976	vlc.exe
976	vlc.exe
976	vlc.exe

pid	process
976	vlc.exe
976	vlc.exe
976	vlc.exe
976	vlc.exe
976	vlc.exe
976	vlc.exe
976	vlc.exe

pid	process
976	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1960 wrote to memory of 520	1960	cmd.exe	rundll32.exe
PID 1960 wrote to memory of 520	1960	cmd.exe	rundll32.exe
PID 1960 wrote to memory of 520	1960	cmd.exe	rundll32.exe
PID 520 wrote to memory of 976	520	rundll32.exe	vlc.exe
PID 520 wrote to memory of 976	520	rundll32.exe	vlc.exe
PID 520 wrote to memory of 976	520	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 1\2022.04.27.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1960

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\2022.04.27.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:520

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\2022.04.27.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:976

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/976-83-0x000000013F460000-0x000000013F558000-memory.dmp

Filesize
992KB

Download
memory/976-84-0x000007FEFB620000-0x000007FEFB654000-memory.dmp

Filesize
208KB

Download
memory/976-85-0x000007FEF6C30000-0x000007FEF6EE4000-memory.dmp

Filesize
2.7MB

Download
memory/976-86-0x000007FEFBBD0000-0x000007FEFBBE8000-memory.dmp

Filesize
96KB

Download
memory/976-87-0x000007FEFB570000-0x000007FEFB587000-memory.dmp

Filesize
92KB

Download
memory/976-88-0x000007FEFB550000-0x000007FEFB561000-memory.dmp

Filesize
68KB

Download
memory/976-89-0x000007FEFB330000-0x000007FEFB347000-memory.dmp

Filesize
92KB

Download
memory/976-90-0x000007FEFB310000-0x000007FEFB321000-memory.dmp

Filesize
68KB

Download
memory/976-91-0x000007FEFB2F0000-0x000007FEFB30D000-memory.dmp

Filesize
116KB

Download
memory/976-92-0x000007FEFB000000-0x000007FEFB011000-memory.dmp

Filesize
68KB

Download
memory/976-93-0x000007FEF5B00000-0x000007FEF6BAB000-memory.dmp

Filesize
16.7MB

Download
memory/976-94-0x000007FEF5900000-0x000007FEF5B00000-memory.dmp

Filesize
2.0MB

Download
memory/976-102-0x000007FEF7060000-0x000007FEF7071000-memory.dmp

Filesize
68KB

Download
memory/976-107-0x000007FEF6C10000-0x000007FEF6C21000-memory.dmp

Filesize
68KB

Download
memory/976-106-0x000007FEF5820000-0x000007FEF588F000-memory.dmp

Filesize
444KB

Download
memory/976-105-0x000007FEF5890000-0x000007FEF58F7000-memory.dmp

Filesize
412KB

Download
memory/976-108-0x000007FEF57C0000-0x000007FEF5816000-memory.dmp

Filesize
344KB

Download
memory/976-104-0x000007FEF7010000-0x000007FEF7040000-memory.dmp

Filesize
192KB

Download
memory/976-103-0x000007FEF7040000-0x000007FEF7058000-memory.dmp

Filesize
96KB

Download
memory/976-109-0x000007FEF5790000-0x000007FEF57B8000-memory.dmp

Filesize
160KB

Download
memory/976-112-0x000007FEF5730000-0x000007FEF5753000-memory.dmp

Filesize
140KB

Download
memory/976-116-0x000007FEF56A0000-0x000007FEF56B3000-memory.dmp

Filesize
76KB

Download
memory/976-119-0x000007FEF5510000-0x000007FEF553C000-memory.dmp

Filesize
176KB

Download
memory/976-121-0x000007FEF52F0000-0x000007FEF534C000-memory.dmp

Filesize
368KB

Download
memory/976-120-0x000007FEF5350000-0x000007FEF5502000-memory.dmp

Filesize
1.7MB

Download
memory/976-123-0x000007FEF5230000-0x000007FEF52C7000-memory.dmp

Filesize
604KB

Download
memory/976-124-0x000007FEF5210000-0x000007FEF5222000-memory.dmp

Filesize
72KB

Download
memory/976-125-0x000007FEF4FD0000-0x000007FEF5201000-memory.dmp

Filesize
2.2MB

Download
memory/976-129-0x000007FEF4E00000-0x000007FEF4E11000-memory.dmp

Filesize
68KB

Download
memory/976-130-0x000007FEF4D90000-0x000007FEF4DF1000-memory.dmp

Filesize
388KB

Download
memory/976-132-0x000007FEF4C80000-0x000007FEF4C92000-memory.dmp

Filesize
72KB

Download
memory/976-131-0x000007FEF4CA0000-0x000007FEF4CB1000-memory.dmp

Filesize
68KB

Download
memory/976-128-0x000007FEF4E20000-0x000007FEF4E45000-memory.dmp

Filesize
148KB

Download
memory/976-127-0x000007FEF4E50000-0x000007FEF4E85000-memory.dmp

Filesize
212KB

Download
memory/976-126-0x000007FEF4EB0000-0x000007FEF4FC2000-memory.dmp

Filesize
1.1MB

Download
memory/976-133-0x000007FEF4C60000-0x000007FEF4C73000-memory.dmp

Filesize
76KB

Download
memory/976-136-0x000007FEF4A90000-0x000007FEF4B92000-memory.dmp

Filesize
1.0MB

Download
memory/976-137-0x000007FEF4A70000-0x000007FEF4A81000-memory.dmp

Filesize
68KB

Download
memory/976-135-0x000007FEF4BA0000-0x000007FEF4BB1000-memory.dmp

Filesize
68KB

Download
memory/976-140-0x000007FEF4970000-0x000007FEF4982000-memory.dmp

Filesize
72KB

Download
memory/976-139-0x000007FEF4A30000-0x000007FEF4A41000-memory.dmp

Filesize
68KB

Download
memory/976-138-0x000007FEF4A50000-0x000007FEF4A61000-memory.dmp

Filesize
68KB

Download
memory/976-141-0x000007FEF4950000-0x000007FEF4968000-memory.dmp

Filesize
96KB

Download
memory/976-134-0x000007FEF4BC0000-0x000007FEF4C5F000-memory.dmp

Filesize
636KB

Download
memory/976-142-0x000007FEF4930000-0x000007FEF4946000-memory.dmp

Filesize
88KB

Download
memory/976-122-0x000007FEF52D0000-0x000007FEF52E1000-memory.dmp

Filesize
68KB

Download
memory/976-118-0x000007FEF5540000-0x000007FEF567B000-memory.dmp

Filesize
1.2MB

Download
memory/976-117-0x000007FEF5680000-0x000007FEF5692000-memory.dmp

Filesize
72KB

Download
memory/976-143-0x000007FEF4900000-0x000007FEF4929000-memory.dmp

Filesize
164KB

Download
memory/976-115-0x000007FEF56C0000-0x000007FEF56E1000-memory.dmp

Filesize
132KB

Download
memory/976-146-0x000007FEF48A0000-0x000007FEF48B1000-memory.dmp

Filesize
68KB

Download
memory/976-145-0x000007FEF48C0000-0x000007FEF48D1000-memory.dmp

Filesize
68KB

Download
memory/976-144-0x000007FEF48E0000-0x000007FEF48F2000-memory.dmp

Filesize
72KB

Download
memory/976-114-0x000007FEF56F0000-0x000007FEF5702000-memory.dmp

Filesize
72KB

Download
memory/976-113-0x000007FEF5710000-0x000007FEF5721000-memory.dmp

Filesize
68KB

Download
memory/976-111-0x000007FEF6BF0000-0x000007FEF6C07000-memory.dmp

Filesize
92KB

Download
memory/976-110-0x000007FEF5760000-0x000007FEF5784000-memory.dmp

Filesize
144KB

Download
memory/976-101-0x000007FEF7080000-0x000007FEF709B000-memory.dmp

Filesize
108KB

Download
memory/976-100-0x000007FEF7640000-0x000007FEF7651000-memory.dmp

Filesize
68KB

Download
memory/976-99-0x000007FEF7660000-0x000007FEF7671000-memory.dmp

Filesize
68KB

Download
memory/976-98-0x000007FEF7680000-0x000007FEF7691000-memory.dmp

Filesize
68KB

Download
memory/976-97-0x000007FEFAF70000-0x000007FEFAF88000-memory.dmp

Filesize
96KB

Download
memory/976-96-0x000007FEFAF90000-0x000007FEFAFB1000-memory.dmp

Filesize
132KB

Download
memory/976-95-0x000007FEFAFC0000-0x000007FEFAFFF000-memory.dmp

Filesize
252KB

Download