b16ebaec337178a9f4c661d84a9998e453f4b693eab3e3fbc9bb6b957661f3c6

Analysis

max time kernel
140s
max time network
31s
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 (1).rar
Size

15KB
MD5

860b690a11c2086c0231b3c5c2d1e6ac
SHA1

bb3e651e6377b1ec1cd09caeac02d7b4143f018b
SHA256

c125be691e0d7d063e31623d811c8d95a1196d524ffd0ae6a11938bf366c2aa1
SHA512

a9b5d3426eef8b756b729a039620ef7d3350a11ef499685875e641056d4a919ff869da8c4cbb2b73940985a07ed800c94ec45341f4d80cc3b00ef9d6ca1d6a4c
SSDEEP

384:Z/eneGsCFsWHY2fPVAFXM5k8ot+YUhTn4R+2tj38Jh8SDdquj:mhtPfPVyMQ+fh32tjghdquj

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

1576 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1576 vlc.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

vlc.exe

pid process

1576 vlc.exe
1576 vlc.exe
1576 vlc.exe
1576 vlc.exe
1576 vlc.exe
1576 vlc.exe
1576 vlc.exe
1576 vlc.exe
Suspicious use of SendNotifyMessage 7 IoCs

Processes:

vlc.exe

pid process

1576 vlc.exe
1576 vlc.exe
1576 vlc.exe
1576 vlc.exe
1576 vlc.exe
1576 vlc.exe
1576 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

1576 vlc.exe

pid	process
1576	vlc.exe

pid	process
1576	vlc.exe

pid	process
1576	vlc.exe
1576	vlc.exe
1576	vlc.exe
1576	vlc.exe
1576	vlc.exe
1576	vlc.exe
1576	vlc.exe
1576	vlc.exe

pid	process
1576	vlc.exe
1576	vlc.exe
1576	vlc.exe
1576	vlc.exe
1576	vlc.exe
1576	vlc.exe
1576	vlc.exe

pid	process
1576	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1920 wrote to memory of 584	1920	cmd.exe	rundll32.exe
PID 1920 wrote to memory of 584	1920	cmd.exe	rundll32.exe
PID 1920 wrote to memory of 584	1920	cmd.exe	rundll32.exe
PID 584 wrote to memory of 1576	584	rundll32.exe	vlc.exe
PID 584 wrote to memory of 1576	584	rundll32.exe	vlc.exe
PID 584 wrote to memory of 1576	584	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\APT 37 Previous Commits 3\Message (1).rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1920

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 (1).rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:584

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 (1).rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1576

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/1576-83-0x000000013F900000-0x000000013F9F8000-memory.dmp

Filesize
992KB

Download
memory/1576-84-0x000007FEFB0D0000-0x000007FEFB104000-memory.dmp

Filesize
208KB

Download
memory/1576-85-0x000007FEF6880000-0x000007FEF6B34000-memory.dmp

Filesize
2.7MB

Download
memory/1576-86-0x000007FEFBD80000-0x000007FEFBD98000-memory.dmp

Filesize
96KB

Download
memory/1576-87-0x000007FEFB080000-0x000007FEFB097000-memory.dmp

Filesize
92KB

Download
memory/1576-88-0x000007FEFB060000-0x000007FEFB071000-memory.dmp

Filesize
68KB

Download
memory/1576-89-0x000007FEFB040000-0x000007FEFB057000-memory.dmp

Filesize
92KB

Download
memory/1576-90-0x000007FEFB020000-0x000007FEFB031000-memory.dmp

Filesize
68KB

Download
memory/1576-91-0x000007FEFB000000-0x000007FEFB01D000-memory.dmp

Filesize
116KB

Download
memory/1576-92-0x000007FEFAEC0000-0x000007FEFAED1000-memory.dmp

Filesize
68KB

Download
memory/1576-93-0x000007FEF65E0000-0x000007FEF67E0000-memory.dmp

Filesize
2.0MB

Download
memory/1576-94-0x000007FEFAE80000-0x000007FEFAEBF000-memory.dmp

Filesize
252KB

Download
memory/1576-95-0x000007FEF5530000-0x000007FEF65DB000-memory.dmp

Filesize
16.7MB

Download
memory/1576-96-0x000007FEFAE50000-0x000007FEFAE71000-memory.dmp

Filesize
132KB

Download
memory/1576-97-0x000007FEFAE30000-0x000007FEFAE48000-memory.dmp

Filesize
96KB

Download
memory/1576-98-0x000007FEFABD0000-0x000007FEFABE1000-memory.dmp

Filesize
68KB

Download
memory/1576-99-0x000007FEFABB0000-0x000007FEFABC1000-memory.dmp

Filesize
68KB

Download
memory/1576-100-0x000007FEFAB90000-0x000007FEFABA1000-memory.dmp

Filesize
68KB

Download
memory/1576-101-0x000007FEF77F0000-0x000007FEF780B000-memory.dmp

Filesize
108KB

Download
memory/1576-102-0x000007FEF6CD0000-0x000007FEF6CE1000-memory.dmp

Filesize
68KB

Download
memory/1576-103-0x000007FEF6C90000-0x000007FEF6CA8000-memory.dmp

Filesize
96KB

Download
memory/1576-104-0x000007FEF6C60000-0x000007FEF6C90000-memory.dmp

Filesize
192KB

Download
memory/1576-105-0x000007FEF54C0000-0x000007FEF5527000-memory.dmp

Filesize
412KB

Download
memory/1576-106-0x000007FEF5370000-0x000007FEF53DF000-memory.dmp

Filesize
444KB

Download
memory/1576-107-0x000007FEF6860000-0x000007FEF6871000-memory.dmp

Filesize
68KB

Download
memory/1576-108-0x000007FEF5460000-0x000007FEF54B6000-memory.dmp

Filesize
344KB

Download
memory/1576-109-0x000007FEF5430000-0x000007FEF5458000-memory.dmp

Filesize
160KB

Download
memory/1576-113-0x000007FEF53E0000-0x000007FEF53F1000-memory.dmp

Filesize
68KB

Download
memory/1576-112-0x000007FEF5340000-0x000007FEF5363000-memory.dmp

Filesize
140KB

Download
memory/1576-111-0x000007FEF6840000-0x000007FEF6857000-memory.dmp

Filesize
92KB

Download
memory/1576-114-0x000007FEF5320000-0x000007FEF5332000-memory.dmp

Filesize
72KB

Download
memory/1576-115-0x000007FEF52F0000-0x000007FEF5311000-memory.dmp

Filesize
132KB

Download
memory/1576-110-0x000007FEF5400000-0x000007FEF5424000-memory.dmp

Filesize
144KB

Download
memory/1576-117-0x000007FEF52B0000-0x000007FEF52C2000-memory.dmp

Filesize
72KB

Download
memory/1576-116-0x000007FEF52D0000-0x000007FEF52E3000-memory.dmp

Filesize
76KB

Download
memory/1576-118-0x000007FEF5170000-0x000007FEF52AB000-memory.dmp

Filesize
1.2MB

Download
memory/1576-119-0x000007FEF5140000-0x000007FEF516C000-memory.dmp

Filesize
176KB

Download
memory/1576-120-0x000007FEF4F80000-0x000007FEF5132000-memory.dmp

Filesize
1.7MB

Download
memory/1576-123-0x000007FEF4D90000-0x000007FEF4E27000-memory.dmp

Filesize
604KB

Download
memory/1576-122-0x000007FEF4E30000-0x000007FEF4E41000-memory.dmp

Filesize
68KB

Download
memory/1576-121-0x000007FEF4E50000-0x000007FEF4EAC000-memory.dmp

Filesize
368KB

Download
memory/1576-124-0x000007FEF4CD0000-0x000007FEF4CE2000-memory.dmp

Filesize
72KB

Download
memory/1576-125-0x000007FEF4A90000-0x000007FEF4CC1000-memory.dmp

Filesize
2.2MB

Download
memory/1576-126-0x000007FEF4970000-0x000007FEF4A82000-memory.dmp

Filesize
1.1MB

Download
memory/1576-129-0x000007FEF48E0000-0x000007FEF48F1000-memory.dmp

Filesize
68KB

Download
memory/1576-128-0x000007FEF4900000-0x000007FEF4925000-memory.dmp

Filesize
148KB

Download
memory/1576-127-0x000007FEF4930000-0x000007FEF4965000-memory.dmp

Filesize
212KB

Download
memory/1576-130-0x000007FEF4800000-0x000007FEF4861000-memory.dmp

Filesize
388KB

Download
memory/1576-131-0x000007FEF47E0000-0x000007FEF47F1000-memory.dmp

Filesize
68KB

Download
memory/1576-132-0x000007FEF47C0000-0x000007FEF47D2000-memory.dmp

Filesize
72KB

Download
memory/1576-133-0x000007FEF47A0000-0x000007FEF47B3000-memory.dmp

Filesize
76KB

Download
memory/1576-134-0x000007FEF4300000-0x000007FEF439F000-memory.dmp

Filesize
636KB

Download
memory/1576-136-0x000007FEF4160000-0x000007FEF4262000-memory.dmp

Filesize
1.0MB

Download
memory/1576-137-0x000007FEF4140000-0x000007FEF4151000-memory.dmp

Filesize
68KB

Download
memory/1576-140-0x000007FEF3DB0000-0x000007FEF3DC2000-memory.dmp

Filesize
72KB

Download
memory/1576-141-0x000007FEF3D90000-0x000007FEF3DA8000-memory.dmp

Filesize
96KB

Download
memory/1576-139-0x000007FEF4000000-0x000007FEF4011000-memory.dmp

Filesize
68KB

Download
memory/1576-142-0x000007FEF3D70000-0x000007FEF3D86000-memory.dmp

Filesize
88KB

Download
memory/1576-138-0x000007FEF4020000-0x000007FEF4031000-memory.dmp

Filesize
68KB

Download
memory/1576-135-0x000007FEF4270000-0x000007FEF4281000-memory.dmp

Filesize
68KB

Download
memory/1576-144-0x000007FEF3B80000-0x000007FEF3B92000-memory.dmp

Filesize
72KB

Download
memory/1576-143-0x000007FEF3CF0000-0x000007FEF3D19000-memory.dmp

Filesize
164KB

Download
memory/1576-145-0x000007FEF3B60000-0x000007FEF3B71000-memory.dmp

Filesize
68KB

Download
memory/1576-146-0x000007FEF3B40000-0x000007FEF3B51000-memory.dmp

Filesize
68KB

Download