43e47a037425c2efb68f0ba0004f7e851e8c242c5fa7ae6ade0e54fdd81e380a

Analysis

max time kernel
141s
max time network
35s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

APT 37 Previous Commits 1/20220510_115155.rar
Size

899KB
MD5

cfd73942f61fbb14dded15f3d0c92f4a
SHA1

23034186849aff6b2cd775b9e34d0a5d1f5954be
SHA256

6b912eeda69069fb6a3fa3cfc10db029e8ebbee936cab19137cad103d9fc6abd
SHA512

79599831de00047ee85d6a56be8dd8ba49915fa20be7607fa4cc7ea5f2b53517c4a085d0957fbf8deb838beae5a2a711b62bddc7bfe1f542c8cc9d435599005f
SSDEEP

24576:8uGP2N33OyhJ1zyYRTkQ2nI3Qh6Rv3uPiFlsfB:8uI2XbGYR4Q2nI3jgpfB

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-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

1812 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1812 vlc.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

vlc.exe

pid process

1812 vlc.exe
1812 vlc.exe
1812 vlc.exe
1812 vlc.exe
1812 vlc.exe
1812 vlc.exe
1812 vlc.exe
1812 vlc.exe
Suspicious use of SendNotifyMessage 7 IoCs

Processes:

vlc.exe

pid process

1812 vlc.exe
1812 vlc.exe
1812 vlc.exe
1812 vlc.exe
1812 vlc.exe
1812 vlc.exe
1812 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

1812 vlc.exe

pid	process
1812	vlc.exe

pid	process
1812	vlc.exe

pid	process
1812	vlc.exe
1812	vlc.exe
1812	vlc.exe
1812	vlc.exe
1812	vlc.exe
1812	vlc.exe
1812	vlc.exe
1812	vlc.exe

pid	process
1812	vlc.exe
1812	vlc.exe
1812	vlc.exe
1812	vlc.exe
1812	vlc.exe
1812	vlc.exe
1812	vlc.exe

pid	process
1812	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1612 wrote to memory of 980	1612	cmd.exe	rundll32.exe
PID 1612 wrote to memory of 980	1612	cmd.exe	rundll32.exe
PID 1612 wrote to memory of 980	1612	cmd.exe	rundll32.exe
PID 980 wrote to memory of 1812	980	rundll32.exe	vlc.exe
PID 980 wrote to memory of 1812	980	rundll32.exe	vlc.exe
PID 980 wrote to memory of 1812	980	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 1\20220510_115155.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1612

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\20220510_115155.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:980

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\20220510_115155.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1812

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

Loading Replay Monitor...

Downloads

memory/1812-83-0x000000013FA30000-0x000000013FB28000-memory.dmp

Filesize
992KB

Download
memory/1812-84-0x000007FEFABB0000-0x000007FEFABE4000-memory.dmp

Filesize
208KB

Download
memory/1812-85-0x000007FEF61E0000-0x000007FEF6494000-memory.dmp

Filesize
2.7MB

Download
memory/1812-86-0x000007FEFAFE0000-0x000007FEFAFF8000-memory.dmp

Filesize
96KB

Download
memory/1812-87-0x000007FEFAB60000-0x000007FEFAB77000-memory.dmp

Filesize
92KB

Download
memory/1812-88-0x000007FEFAB40000-0x000007FEFAB51000-memory.dmp

Filesize
68KB

Download
memory/1812-89-0x000007FEFA820000-0x000007FEFA837000-memory.dmp

Filesize
92KB

Download
memory/1812-90-0x000007FEFA800000-0x000007FEFA811000-memory.dmp

Filesize
68KB

Download
memory/1812-91-0x000007FEFA7E0000-0x000007FEFA7FD000-memory.dmp

Filesize
116KB

Download
memory/1812-92-0x000007FEFA7C0000-0x000007FEFA7D1000-memory.dmp

Filesize
68KB

Download
memory/1812-93-0x000007FEF50B0000-0x000007FEF615B000-memory.dmp

Filesize
16.7MB

Download
memory/1812-94-0x000007FEF4EB0000-0x000007FEF50B0000-memory.dmp

Filesize
2.0MB

Download
memory/1812-95-0x000007FEF65F0000-0x000007FEF662F000-memory.dmp

Filesize
252KB

Download
memory/1812-96-0x000007FEF65C0000-0x000007FEF65E1000-memory.dmp

Filesize
132KB

Download
memory/1812-97-0x000007FEF61C0000-0x000007FEF61D8000-memory.dmp

Filesize
96KB

Download
memory/1812-98-0x000007FEF61A0000-0x000007FEF61B1000-memory.dmp

Filesize
68KB

Download
memory/1812-99-0x000007FEF4E90000-0x000007FEF4EA1000-memory.dmp

Filesize
68KB

Download
memory/1812-100-0x000007FEF4E70000-0x000007FEF4E81000-memory.dmp

Filesize
68KB

Download
memory/1812-101-0x000007FEF4E50000-0x000007FEF4E6B000-memory.dmp

Filesize
108KB

Download
memory/1812-102-0x000007FEF4E30000-0x000007FEF4E41000-memory.dmp

Filesize
68KB

Download
memory/1812-103-0x000007FEF4E10000-0x000007FEF4E28000-memory.dmp

Filesize
96KB

Download
memory/1812-104-0x000007FEF4DE0000-0x000007FEF4E10000-memory.dmp

Filesize
192KB

Download
memory/1812-105-0x000007FEF4D70000-0x000007FEF4DD7000-memory.dmp

Filesize
412KB

Download
memory/1812-106-0x000007FEF4A70000-0x000007FEF4ADF000-memory.dmp

Filesize
444KB

Download
memory/1812-107-0x000007FEF4A50000-0x000007FEF4A61000-memory.dmp

Filesize
68KB

Download
memory/1812-108-0x000007FEF49B0000-0x000007FEF4A06000-memory.dmp

Filesize
344KB

Download
memory/1812-109-0x000007FEF4980000-0x000007FEF49A8000-memory.dmp

Filesize
160KB

Download
memory/1812-110-0x000007FEF4950000-0x000007FEF4974000-memory.dmp

Filesize
144KB

Download
memory/1812-111-0x000007FEF4930000-0x000007FEF4947000-memory.dmp

Filesize
92KB

Download
memory/1812-112-0x000007FEF47C0000-0x000007FEF47E3000-memory.dmp

Filesize
140KB

Download
memory/1812-113-0x000007FEF47A0000-0x000007FEF47B1000-memory.dmp

Filesize
68KB

Download
memory/1812-114-0x000007FEF4780000-0x000007FEF4792000-memory.dmp

Filesize
72KB

Download
memory/1812-115-0x000007FEF4350000-0x000007FEF4371000-memory.dmp

Filesize
132KB

Download
memory/1812-116-0x000007FEF42C0000-0x000007FEF42D3000-memory.dmp

Filesize
76KB

Download
memory/1812-117-0x000007FEF4070000-0x000007FEF4082000-memory.dmp

Filesize
72KB

Download
memory/1812-118-0x000007FEF3F30000-0x000007FEF406B000-memory.dmp

Filesize
1.2MB

Download
memory/1812-119-0x000007FEF3F00000-0x000007FEF3F2C000-memory.dmp

Filesize
176KB

Download
memory/1812-120-0x000007FEF3D40000-0x000007FEF3EF2000-memory.dmp

Filesize
1.7MB

Download
memory/1812-121-0x000007FEF3CE0000-0x000007FEF3D3C000-memory.dmp

Filesize
368KB

Download
memory/1812-122-0x000007FEF37D0000-0x000007FEF37E1000-memory.dmp

Filesize
68KB

Download
memory/1812-123-0x000007FEF3530000-0x000007FEF35C7000-memory.dmp

Filesize
604KB

Download
memory/1812-124-0x000007FEF37B0000-0x000007FEF37C2000-memory.dmp

Filesize
72KB

Download
memory/1812-125-0x000007FEF32F0000-0x000007FEF3521000-memory.dmp

Filesize
2.2MB

Download
memory/1812-126-0x000007FEF3670000-0x000007FEF3782000-memory.dmp

Filesize
1.1MB

Download
memory/1812-127-0x000007FEF3630000-0x000007FEF3665000-memory.dmp

Filesize
212KB

Download
memory/1812-128-0x000007FEF3600000-0x000007FEF3625000-memory.dmp

Filesize
148KB

Download
memory/1812-133-0x000007FEF2F60000-0x000007FEF2F73000-memory.dmp

Filesize
76KB

Download
memory/1812-134-0x000007FEF2EC0000-0x000007FEF2F5F000-memory.dmp

Filesize
636KB

Download
memory/1812-132-0x000007FEF2FF0000-0x000007FEF3002000-memory.dmp

Filesize
72KB

Download
memory/1812-131-0x000007FEF3010000-0x000007FEF3021000-memory.dmp

Filesize
68KB

Download
memory/1812-130-0x000007FEF3030000-0x000007FEF3091000-memory.dmp

Filesize
388KB

Download
memory/1812-135-0x000007FEF2EA0000-0x000007FEF2EB1000-memory.dmp

Filesize
68KB

Download
memory/1812-129-0x000007FEF35E0000-0x000007FEF35F1000-memory.dmp

Filesize
68KB

Download
memory/1812-136-0x000007FEF2D90000-0x000007FEF2E92000-memory.dmp

Filesize
1.0MB

Download
memory/1812-137-0x000007FEF2D70000-0x000007FEF2D81000-memory.dmp

Filesize
68KB

Download
memory/1812-138-0x000007FEF2D50000-0x000007FEF2D61000-memory.dmp

Filesize
68KB

Download
memory/1812-141-0x000007FEF2AF0000-0x000007FEF2B08000-memory.dmp

Filesize
96KB

Download
memory/1812-142-0x000007FEF2D10000-0x000007FEF2D26000-memory.dmp

Filesize
88KB

Download
memory/1812-140-0x000007FEF2B10000-0x000007FEF2B22000-memory.dmp

Filesize
72KB

Download
memory/1812-145-0x000007FEF2CA0000-0x000007FEF2CB1000-memory.dmp

Filesize
68KB

Download
memory/1812-144-0x000007FEF2CC0000-0x000007FEF2CD2000-memory.dmp

Filesize
72KB

Download
memory/1812-143-0x000007FEF2CE0000-0x000007FEF2D09000-memory.dmp

Filesize
164KB

Download
memory/1812-146-0x000007FEF2C80000-0x000007FEF2C91000-memory.dmp

Filesize
68KB

Download
memory/1812-139-0x000007FEF2D30000-0x000007FEF2D41000-memory.dmp

Filesize
68KB

Download