f8f9d2a20b2b0c1aafc075d51dc7df924601b468ba867422419304ac321a2cb7

Analysis

max time kernel
140s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
18-03-2023 22:57

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General

Target

wallpaper_engine.rar
Size

244.0MB
MD5

74c9edc7ff68036b5d921e28f5b73a81
SHA1

0c63f928bb5a51978eb968b0cddc5f436347138d
SHA256

f8f9d2a20b2b0c1aafc075d51dc7df924601b468ba867422419304ac321a2cb7
SHA512

f8219c59d781bb31937f2eda2952df3be5265f8b17d700ad84425986283650a6659ac67999e2887ad6d5a4551147a6d704438a9fa43107f58f18ded93f29700e
SSDEEP

6291456:XQZLwTDd2ca45yIumxPjhFOiFSIagZeHVEjBG:gk3yKjhFOQSjgZqCG

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

1964 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

1964 vlc.exe
Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

vlc.exe

pid process

1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

vlc.exe

pid process

1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
1964 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

1964 vlc.exe

pid	process
1964	vlc.exe

pid	process
1964	vlc.exe

pid	process
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe

pid	process
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe
1964	vlc.exe

pid	process
1964	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1528 wrote to memory of 268	1528	cmd.exe	rundll32.exe
PID 1528 wrote to memory of 268	1528	cmd.exe	rundll32.exe
PID 1528 wrote to memory of 268	1528	cmd.exe	rundll32.exe
PID 268 wrote to memory of 1964	268	rundll32.exe	vlc.exe
PID 268 wrote to memory of 1964	268	rundll32.exe	vlc.exe
PID 268 wrote to memory of 1964	268	rundll32.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\wallpaper_engine.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\wallpaper_engine.rar
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:268

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\wallpaper_engine.rar"
3⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1964

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/1964-83-0x000000013F140000-0x000000013F238000-memory.dmp

Filesize
992KB

Download
memory/1964-84-0x000007FEFB400000-0x000007FEFB434000-memory.dmp

Filesize
208KB

Download
memory/1964-85-0x000007FEF6B80000-0x000007FEF6E34000-memory.dmp

Filesize
2.7MB

Download
memory/1964-86-0x000007FEFC050000-0x000007FEFC068000-memory.dmp

Filesize
96KB

Download
memory/1964-87-0x000007FEFB3A0000-0x000007FEFB3B7000-memory.dmp

Filesize
92KB

Download
memory/1964-88-0x000007FEFB380000-0x000007FEFB391000-memory.dmp

Filesize
68KB

Download
memory/1964-89-0x000007FEFB360000-0x000007FEFB377000-memory.dmp

Filesize
92KB

Download
memory/1964-90-0x000007FEFB340000-0x000007FEFB351000-memory.dmp

Filesize
68KB

Download
memory/1964-91-0x000007FEFB320000-0x000007FEFB33D000-memory.dmp

Filesize
116KB

Download
memory/1964-92-0x000007FEFB090000-0x000007FEFB0A1000-memory.dmp

Filesize
68KB

Download
memory/1964-93-0x000007FEF6890000-0x000007FEF6A90000-memory.dmp

Filesize
2.0MB

Download
memory/1964-94-0x000007FEFB050000-0x000007FEFB08F000-memory.dmp

Filesize
252KB

Download
memory/1964-95-0x000007FEF57E0000-0x000007FEF688B000-memory.dmp

Filesize
16.7MB

Download
memory/1964-96-0x000007FEFB020000-0x000007FEFB041000-memory.dmp

Filesize
132KB

Download
memory/1964-97-0x000007FEFB000000-0x000007FEFB018000-memory.dmp

Filesize
96KB

Download
memory/1964-98-0x000007FEFAEC0000-0x000007FEFAED1000-memory.dmp

Filesize
68KB

Download
memory/1964-99-0x000007FEFAEA0000-0x000007FEFAEB1000-memory.dmp

Filesize
68KB

Download
memory/1964-100-0x000007FEFAE80000-0x000007FEFAE91000-memory.dmp

Filesize
68KB

Download
memory/1964-101-0x000007FEF7AF0000-0x000007FEF7B0B000-memory.dmp

Filesize
108KB

Download
memory/1964-102-0x000007FEF6FD0000-0x000007FEF6FE1000-memory.dmp

Filesize
68KB

Download
memory/1964-103-0x000007FEF6FB0000-0x000007FEF6FC8000-memory.dmp

Filesize
96KB

Download
memory/1964-104-0x000007FEF6F80000-0x000007FEF6FB0000-memory.dmp

Filesize
192KB

Download
memory/1964-105-0x000007FEF5770000-0x000007FEF57D7000-memory.dmp

Filesize
412KB

Download
memory/1964-106-0x000007FEF5700000-0x000007FEF576F000-memory.dmp

Filesize
444KB

Download
memory/1964-107-0x000007FEF6B60000-0x000007FEF6B71000-memory.dmp

Filesize
68KB

Download
memory/1964-108-0x000007FEF56A0000-0x000007FEF56F6000-memory.dmp

Filesize
344KB

Download
memory/1964-109-0x000007FEF5670000-0x000007FEF5698000-memory.dmp

Filesize
160KB

Download
memory/1964-110-0x000007FEF5640000-0x000007FEF5664000-memory.dmp

Filesize
144KB

Download
memory/1964-111-0x000007FEF6B40000-0x000007FEF6B57000-memory.dmp

Filesize
92KB

Download
memory/1964-112-0x000007FEF5610000-0x000007FEF5633000-memory.dmp

Filesize
140KB

Download
memory/1964-113-0x000007FEF55F0000-0x000007FEF5601000-memory.dmp

Filesize
68KB

Download
memory/1964-114-0x000007FEF55D0000-0x000007FEF55E2000-memory.dmp

Filesize
72KB

Download
memory/1964-115-0x000007FEF55A0000-0x000007FEF55C1000-memory.dmp

Filesize
132KB

Download
memory/1964-116-0x000007FEF5580000-0x000007FEF5593000-memory.dmp

Filesize
76KB

Download
memory/1964-117-0x000007FEF5560000-0x000007FEF5572000-memory.dmp

Filesize
72KB

Download
memory/1964-118-0x000007FEF5420000-0x000007FEF555B000-memory.dmp

Filesize
1.2MB

Download
memory/1964-119-0x000007FEF5320000-0x000007FEF534C000-memory.dmp

Filesize
176KB

Download
memory/1964-120-0x000007FEF5160000-0x000007FEF5312000-memory.dmp

Filesize
1.7MB

Download
memory/1964-121-0x000007FEF5060000-0x000007FEF50BC000-memory.dmp

Filesize
368KB

Download
memory/1964-122-0x000007FEF5040000-0x000007FEF5051000-memory.dmp

Filesize
68KB

Download
memory/1964-123-0x000007FEF4FA0000-0x000007FEF5037000-memory.dmp

Filesize
604KB

Download
memory/1964-124-0x000007FEF4F80000-0x000007FEF4F92000-memory.dmp

Filesize
72KB

Download
memory/1964-125-0x000007FEF4D40000-0x000007FEF4F71000-memory.dmp

Filesize
2.2MB

Download
memory/1964-128-0x000007FEF3E20000-0x000007FEF3E45000-memory.dmp

Filesize
148KB

Download
memory/1964-127-0x000007FEF43A0000-0x000007FEF43D5000-memory.dmp

Filesize
212KB

Download
memory/1964-126-0x000007FEF4740000-0x000007FEF4852000-memory.dmp

Filesize
1.1MB

Download
memory/1964-129-0x000007FEF3FF0000-0x000007FEF4001000-memory.dmp

Filesize
68KB

Download
memory/1964-130-0x000007FEF3F80000-0x000007FEF3FE1000-memory.dmp

Filesize
388KB

Download
memory/1964-131-0x000007FEF3F40000-0x000007FEF3F51000-memory.dmp

Filesize
68KB

Download
memory/1964-132-0x000007FEF3F20000-0x000007FEF3F32000-memory.dmp

Filesize
72KB

Download
memory/1964-133-0x000007FEF3F00000-0x000007FEF3F13000-memory.dmp

Filesize
76KB

Download
memory/1964-134-0x000007FEF3E60000-0x000007FEF3EFF000-memory.dmp

Filesize
636KB

Download
memory/1964-135-0x000007FEF3E00000-0x000007FEF3E11000-memory.dmp

Filesize
68KB

Download
memory/1964-136-0x000007FEF3CF0000-0x000007FEF3DF2000-memory.dmp

Filesize
1.0MB

Download
memory/1964-137-0x000007FEF3CD0000-0x000007FEF3CE1000-memory.dmp

Filesize
68KB

Download
memory/1964-138-0x000007FEF3CB0000-0x000007FEF3CC1000-memory.dmp

Filesize
68KB

Download
memory/1964-139-0x000007FEF3C90000-0x000007FEF3CA1000-memory.dmp

Filesize
68KB

Download
memory/1964-140-0x000007FEF3C70000-0x000007FEF3C82000-memory.dmp

Filesize
72KB

Download
memory/1964-141-0x000007FEF3C50000-0x000007FEF3C68000-memory.dmp

Filesize
96KB

Download
memory/1964-142-0x000007FEF3B30000-0x000007FEF3B46000-memory.dmp

Filesize
88KB

Download
memory/1964-143-0x000007FEF3B00000-0x000007FEF3B29000-memory.dmp

Filesize
164KB

Download
memory/1964-144-0x000007FEF3AE0000-0x000007FEF3AF2000-memory.dmp

Filesize
72KB

Download
memory/1964-145-0x000007FEF3AC0000-0x000007FEF3AD1000-memory.dmp

Filesize
68KB

Download
memory/1964-146-0x000007FEF3AA0000-0x000007FEF3AB1000-memory.dmp

Filesize
68KB

Download