f6e85a09d34fee8569e913af2a11addf2a6a640e22f2a92e691576bbc89de411

Analysis

max time kernel
151s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2023, 00:24

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General

Target

Undertale/mus_xpart_a.ogg
Size

691KB
MD5

41edfcd54486f4873191f24eb3046e78
SHA1

db56c6fd3c5bd054aca9ea1c6a0c57871119a756
SHA256

5322645e70772c950cdb3bd6978640cc116abfda863f8878d2c8b8f48b452431
SHA512

1c12e7d1c470734a29021988e4e23024dd6a2391daf880e7424367ea5987c13f739df97b80ef01dd666c5279e3580a43ffb87f440804858b3182efbb812a3cd4
SSDEEP

12288:ksW4unEss2lhpdmlQDdAjiCczRjLqios6lDmIfM7l4A0E4Gq2IwuoHLX8OhP/JC:EvjXTOlrczlLFospGAIGqQXLdhP/JC

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	cmd.exe

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
208	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
208	vlc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	640	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	640	AUDIODG.EXE
Token: 33	208	vlc.exe
Token: SeIncBasePriorityPrivilege	208	vlc.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
208	vlc.exe
208	vlc.exe
208	vlc.exe
208	vlc.exe
208	vlc.exe
208	vlc.exe
208	vlc.exe
208	vlc.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
208	vlc.exe
208	vlc.exe
208	vlc.exe
208	vlc.exe
208	vlc.exe
208	vlc.exe
208	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
208	vlc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 208	3536	cmd.exe	84
PID 3536 wrote to memory of 208	3536	cmd.exe	84

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Undertale\mus_xpart_a.ogg
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Program Files\VideoLAN\VLC\vlc.exe
  "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\Undertale\mus_xpart_a.ogg"
  2⤵
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:208

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2f4 0x2f8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/208-138-0x00007FF698540000-0x00007FF698638000-memory.dmp

Filesize
992KB

Download
memory/208-139-0x00007FFEB21A0000-0x00007FFEB21D4000-memory.dmp

Filesize
208KB

Download
memory/208-140-0x00007FFEB1250000-0x00007FFEB1504000-memory.dmp

Filesize
2.7MB

Download
memory/208-141-0x00007FFEC6090000-0x00007FFEC60A8000-memory.dmp

Filesize
96KB

Download
memory/208-143-0x00007FFEC1310000-0x00007FFEC1321000-memory.dmp

Filesize
68KB

Download
memory/208-144-0x00007FFEC0DC0000-0x00007FFEC0DD7000-memory.dmp

Filesize
92KB

Download
memory/208-142-0x00007FFEC1450000-0x00007FFEC1467000-memory.dmp

Filesize
92KB

Download
memory/208-145-0x00007FFEB2080000-0x00007FFEB2091000-memory.dmp

Filesize
68KB

Download
memory/208-146-0x00007FFEB2060000-0x00007FFEB207D000-memory.dmp

Filesize
116KB

Download
memory/208-147-0x00007FFEB2040000-0x00007FFEB2051000-memory.dmp

Filesize
68KB

Download
memory/208-148-0x00007FFEB07D0000-0x00007FFEB09D0000-memory.dmp

Filesize
2.0MB

Download
memory/208-149-0x00007FFEAF6B0000-0x00007FFEB075B000-memory.dmp

Filesize
16.7MB

Download
memory/208-150-0x00007FFEB2000000-0x00007FFEB203F000-memory.dmp

Filesize
252KB

Download
memory/208-151-0x00007FFEAF680000-0x00007FFEAF6A1000-memory.dmp

Filesize
132KB

Download
memory/208-152-0x00007FFEAF660000-0x00007FFEAF678000-memory.dmp

Filesize
96KB

Download
memory/208-155-0x00007FFEAF600000-0x00007FFEAF611000-memory.dmp

Filesize
68KB

Download
memory/208-156-0x00007FFEAF5E0000-0x00007FFEAF5FB000-memory.dmp

Filesize
108KB

Download
memory/208-157-0x00007FFEAF5C0000-0x00007FFEAF5D1000-memory.dmp

Filesize
68KB

Download
memory/208-158-0x00007FFEAF5A0000-0x00007FFEAF5B8000-memory.dmp

Filesize
96KB

Download
memory/208-161-0x00007FFEAF490000-0x00007FFEAF4FF000-memory.dmp

Filesize
444KB

Download
memory/208-162-0x00007FFEAF470000-0x00007FFEAF481000-memory.dmp

Filesize
68KB

Download
memory/208-164-0x0000021EBF4D0000-0x0000021EBF648000-memory.dmp

Filesize
1.5MB

Download
memory/208-170-0x00007FFEB0F20000-0x00007FFEB0FE5000-memory.dmp

Filesize
788KB

Download
memory/208-169-0x00007FFEB0FF0000-0x00007FFEB1006000-memory.dmp

Filesize
88KB

Download
memory/208-172-0x00007FFEB0D00000-0x00007FFEB0D11000-memory.dmp

Filesize
68KB

Download
memory/208-173-0x00007FFEB0CE0000-0x00007FFEB0CF2000-memory.dmp

Filesize
72KB

Download
memory/208-171-0x00007FFEB0F00000-0x00007FFEB0F15000-memory.dmp

Filesize
84KB

Download
memory/208-168-0x00007FFEB1010000-0x00007FFEB1021000-memory.dmp

Filesize
68KB

Download
memory/208-174-0x00007FFEAEEE0000-0x00007FFEAF05A000-memory.dmp

Filesize
1.5MB

Download
memory/208-166-0x00007FFEC1820000-0x00007FFEC1830000-memory.dmp

Filesize
64KB

Download
memory/208-165-0x00007FFEAF270000-0x00007FFEAF287000-memory.dmp

Filesize
92KB

Download
memory/208-167-0x00007FFEB1030000-0x00007FFEB105F000-memory.dmp

Filesize
188KB

Download
memory/208-163-0x0000021EBE6A0000-0x0000021EBE6FC000-memory.dmp

Filesize
368KB

Download
memory/208-160-0x00007FFEAF500000-0x00007FFEAF567000-memory.dmp

Filesize
412KB

Download
memory/208-159-0x00007FFEAF570000-0x00007FFEAF5A0000-memory.dmp

Filesize
192KB

Download
memory/208-154-0x00007FFEAF620000-0x00007FFEAF631000-memory.dmp

Filesize
68KB

Download
memory/208-153-0x00007FFEAF640000-0x00007FFEAF651000-memory.dmp

Filesize
68KB

Download
memory/208-186-0x00007FFEAF6B0000-0x00007FFEB075B000-memory.dmp

Filesize
16.7MB

Download