b16ebaec337178a9f4c661d84a9998e453f4b693eab3e3fbc9bb6b957661f3c6

Analysis

max time kernel
150s
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 23:28

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General

Target

APT 37 Previous Commits 3/Message.rar
Size

25KB
MD5

93817f6dfe3a7596eeef049eda9c8b18
SHA1

1bd6387699d4bc96ef8d28b40c50d5097bb7d23b
SHA256

ce83fa08a4f6e8ecf88ecbd40cce042e5ada2ebdd8627922eb998edefe356c30
SHA512

d5063925a91a9b429461f5542cd056994c5fee4442b62215254d3e481662409f0050981c46ab4f2956412b169470ffe1569855d9b250e0edf0084c28658290c0
SSDEEP

384:zHTNgJry3dbZ8JGPGApCFUeWgh4dv6Rwgp5uXnpMsyz4UDup8fO/DWV1IUNWHnlo:zHTNerubjPnl6m0W64UDy/EAHl/MO2E0

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

1412 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1412 vlc.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

vlc.exe

pid process

1412 vlc.exe
1412 vlc.exe
1412 vlc.exe
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

vlc.exe

pid process

1412 vlc.exe
1412 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

1412 vlc.exe

pid	process
1412	vlc.exe

pid	process
1412	vlc.exe

pid	process
1412	vlc.exe
1412	vlc.exe
1412	vlc.exe

pid	process
1412	vlc.exe
1412	vlc.exe

pid	process
1412	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1108 wrote to memory of 1224	1108	cmd.exe	rundll32.exe
PID 1108 wrote to memory of 1224	1108	cmd.exe	rundll32.exe
PID 1108 wrote to memory of 1224	1108	cmd.exe	rundll32.exe
PID 1224 wrote to memory of 1412	1224	rundll32.exe	vlc.exe
PID 1224 wrote to memory of 1412	1224	rundll32.exe	vlc.exe
PID 1224 wrote to memory of 1412	1224	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 3\Message.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1108

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 3\Message.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1224

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 3\Message.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1412

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/1412-78-0x000000013FD20000-0x000000013FE18000-memory.dmp

Filesize
992KB

Download
memory/1412-79-0x000007FEF7100000-0x000007FEF7134000-memory.dmp

Filesize
208KB

Download
memory/1412-80-0x000007FEF66D0000-0x000007FEF6984000-memory.dmp

Filesize
2.7MB

Download
memory/1412-81-0x000007FEFB620000-0x000007FEFB638000-memory.dmp

Filesize
96KB

Download
memory/1412-82-0x000007FEF70E0000-0x000007FEF70F7000-memory.dmp

Filesize
92KB

Download
memory/1412-83-0x000007FEF70C0000-0x000007FEF70D1000-memory.dmp

Filesize
68KB

Download
memory/1412-84-0x000007FEF6B20000-0x000007FEF6B37000-memory.dmp

Filesize
92KB

Download
memory/1412-86-0x000007FEF6AE0000-0x000007FEF6AFD000-memory.dmp

Filesize
116KB

Download
memory/1412-85-0x000007FEF6B00000-0x000007FEF6B11000-memory.dmp

Filesize
68KB

Download
memory/1412-87-0x000007FEF6AC0000-0x000007FEF6AD1000-memory.dmp

Filesize
68KB

Download
memory/1412-88-0x000007FEF5490000-0x000007FEF653B000-memory.dmp

Filesize
16.7MB

Download
memory/1412-89-0x000007FEF5290000-0x000007FEF5490000-memory.dmp

Filesize
2.0MB

Download
memory/1412-90-0x000007FEF6690000-0x000007FEF66CF000-memory.dmp

Filesize
252KB

Download
memory/1412-91-0x000007FEF6660000-0x000007FEF6681000-memory.dmp

Filesize
132KB

Download
memory/1412-93-0x000007FEF6620000-0x000007FEF6631000-memory.dmp

Filesize
68KB

Download
memory/1412-94-0x000007FEF65C0000-0x000007FEF65D1000-memory.dmp

Filesize
68KB

Download
memory/1412-95-0x000007FEF65A0000-0x000007FEF65B1000-memory.dmp

Filesize
68KB

Download
memory/1412-92-0x000007FEF6640000-0x000007FEF6658000-memory.dmp

Filesize
96KB

Download
memory/1412-96-0x000007FEF6580000-0x000007FEF659B000-memory.dmp

Filesize
108KB

Download
memory/1412-97-0x000007FEF6560000-0x000007FEF6571000-memory.dmp

Filesize
68KB

Download
memory/1412-98-0x000007FEF5270000-0x000007FEF5288000-memory.dmp

Filesize
96KB

Download
memory/1412-99-0x000007FEF5240000-0x000007FEF5270000-memory.dmp

Filesize
192KB

Download
memory/1412-100-0x000007FEF51D0000-0x000007FEF5237000-memory.dmp

Filesize
412KB

Download
memory/1412-101-0x000007FEF5160000-0x000007FEF51CF000-memory.dmp

Filesize
444KB

Download
memory/1412-102-0x000007FEF5140000-0x000007FEF5151000-memory.dmp

Filesize
68KB

Download
memory/1412-103-0x000007FEF50E0000-0x000007FEF5136000-memory.dmp

Filesize
344KB

Download
memory/1412-104-0x000007FEF50B0000-0x000007FEF50D8000-memory.dmp

Filesize
160KB

Download
memory/1412-105-0x000007FEF5080000-0x000007FEF50A4000-memory.dmp

Filesize
144KB

Download
memory/1412-106-0x000007FEF5060000-0x000007FEF5077000-memory.dmp

Filesize
92KB

Download
memory/1412-107-0x000007FEF5030000-0x000007FEF5053000-memory.dmp

Filesize
140KB

Download
memory/1412-108-0x000007FEF5010000-0x000007FEF5021000-memory.dmp

Filesize
68KB

Download
memory/1412-109-0x000007FEF4FF0000-0x000007FEF5002000-memory.dmp

Filesize
72KB

Download
memory/1412-110-0x000007FEF4FC0000-0x000007FEF4FE1000-memory.dmp

Filesize
132KB

Download
memory/1412-111-0x000007FEF4FA0000-0x000007FEF4FB3000-memory.dmp

Filesize
76KB

Download
memory/1412-112-0x000007FEF4F80000-0x000007FEF4F92000-memory.dmp

Filesize
72KB

Download
memory/1412-113-0x000007FEF4E40000-0x000007FEF4F7B000-memory.dmp

Filesize
1.2MB

Download
memory/1412-114-0x000007FEF4E10000-0x000007FEF4E3C000-memory.dmp

Filesize
176KB

Download
memory/1412-115-0x000007FEF4C50000-0x000007FEF4E02000-memory.dmp

Filesize
1.7MB

Download
memory/1412-116-0x000007FEF4BF0000-0x000007FEF4C4C000-memory.dmp

Filesize
368KB

Download
memory/1412-117-0x000007FEF4BD0000-0x000007FEF4BE1000-memory.dmp

Filesize
68KB

Download
memory/1412-118-0x000007FEF4B30000-0x000007FEF4BC7000-memory.dmp

Filesize
604KB

Download
memory/1412-119-0x000007FEF4B10000-0x000007FEF4B22000-memory.dmp

Filesize
72KB

Download
memory/1412-120-0x000007FEF48D0000-0x000007FEF4B01000-memory.dmp

Filesize
2.2MB

Download
memory/1412-121-0x000007FEF47B0000-0x000007FEF48C2000-memory.dmp

Filesize
1.1MB

Download
memory/1412-122-0x000007FEF4750000-0x000007FEF4785000-memory.dmp

Filesize
212KB

Download
memory/1412-123-0x000007FEF4720000-0x000007FEF4745000-memory.dmp

Filesize
148KB

Download
memory/1412-124-0x000007FEF4700000-0x000007FEF4711000-memory.dmp

Filesize
68KB

Download
memory/1412-125-0x000007FEF4690000-0x000007FEF46F1000-memory.dmp

Filesize
388KB

Download
memory/1412-126-0x000007FEF4670000-0x000007FEF4681000-memory.dmp

Filesize
68KB

Download
memory/1412-127-0x000007FEF4650000-0x000007FEF4662000-memory.dmp

Filesize
72KB

Download
memory/1412-128-0x000007FEF4630000-0x000007FEF4643000-memory.dmp

Filesize
76KB

Download
memory/1412-129-0x000007FEF4590000-0x000007FEF462F000-memory.dmp

Filesize
636KB

Download
memory/1412-130-0x000007FEF4570000-0x000007FEF4581000-memory.dmp

Filesize
68KB

Download
memory/1412-131-0x000007FEF4460000-0x000007FEF4562000-memory.dmp

Filesize
1.0MB

Download
memory/1412-132-0x000007FEF4440000-0x000007FEF4451000-memory.dmp

Filesize
68KB

Download
memory/1412-133-0x000007FEF4420000-0x000007FEF4431000-memory.dmp

Filesize
68KB

Download
memory/1412-134-0x000007FEF4400000-0x000007FEF4411000-memory.dmp

Filesize
68KB

Download
memory/1412-135-0x000007FEF4310000-0x000007FEF4322000-memory.dmp

Filesize
72KB

Download
memory/1412-136-0x000007FEF42F0000-0x000007FEF4308000-memory.dmp

Filesize
96KB

Download
memory/1412-137-0x000007FEF42D0000-0x000007FEF42E6000-memory.dmp

Filesize
88KB

Download
memory/1412-138-0x000007FEF42A0000-0x000007FEF42C9000-memory.dmp

Filesize
164KB

Download
memory/1412-139-0x000007FEF4280000-0x000007FEF4292000-memory.dmp

Filesize
72KB

Download
memory/1412-140-0x000007FEF4260000-0x000007FEF4271000-memory.dmp

Filesize
68KB

Download
memory/1412-141-0x000007FEF4240000-0x000007FEF4251000-memory.dmp

Filesize
68KB

Download