2efc1470d803d6505dd8b25d211df1ef2cca0429e51c5e7644238a3528027510

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2023 01:25

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General

Target

installer.rar
Size

2.2MB
MD5

f47e38957e5a4cc47a54621ddd53974e
SHA1

d90df167441c407a9453c6f1b6737278fce67c7b
SHA256

b32cba53b8d0f92a6765dfad0c7d81c95984a5ba3dd567d24b186ad6862c8bbc
SHA512

f71d819a5f98fcf67989e2ba916ad9735783c0f7ba92c808b3722c286acc5fdb9280b6b817ecf785932330b525f19646afe5cb0c20b38f142eea767c71b29d5e
SSDEEP

49152:X86pf36yPjjldDaMR9ejNuJZS9lRf7eeuz9U8TN:XlpfjBLENuJZS9P7NwU8h

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 3 IoCs

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-4272677097-406801653-1594978504-1000_Classes\.rar	OpenWith.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

4652 vlc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

4652 vlc.exe
Suspicious use of FindShellTrayWindow 10 IoCs

Processes:

vlc.exe

pid process

4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
Suspicious use of SendNotifyMessage 9 IoCs

Processes:

vlc.exe

pid process

4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
4652 vlc.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

OpenWith.exevlc.exe

pid process

4048 OpenWith.exe
4048 OpenWith.exe
4048 OpenWith.exe
4048 OpenWith.exe
4048 OpenWith.exe
4652 vlc.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

OpenWith.exe

description pid process target process

PID 4048 wrote to memory of 4652 4048 OpenWith.exe vlc.exe
PID 4048 wrote to memory of 4652 4048 OpenWith.exe vlc.exe

pid	process
4652	vlc.exe

pid	process
4652	vlc.exe

pid	process
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe

pid	process
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe
4652	vlc.exe

pid	process
4048	OpenWith.exe
4048	OpenWith.exe
4048	OpenWith.exe
4048	OpenWith.exe
4048	OpenWith.exe
4652	vlc.exe

description	pid	process	target process
PID 4048 wrote to memory of 4652	4048	OpenWith.exe	vlc.exe
PID 4048 wrote to memory of 4652	4048	OpenWith.exe	vlc.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\installer.rar
1⤵
- Modifies registry class
PID:4532

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4048

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\installer.rar"
2⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4652-12-0x00007FF70EC70000-0x00007FF70ED68000-memory.dmp

Filesize
992KB

Download
memory/4652-13-0x00007FFF52020000-0x00007FFF52054000-memory.dmp

Filesize
208KB

Download
memory/4652-14-0x00007FFF3EF00000-0x00007FFF3F1B4000-memory.dmp

Filesize
2.7MB

Download
memory/4652-15-0x00007FFF3DAA0000-0x00007FFF3EB4B000-memory.dmp

Filesize
16.7MB

Download
memory/4652-16-0x00007FFF3D0D0000-0x00007FFF3D1E2000-memory.dmp

Filesize
1.1MB

Download