f6e85a09d34fee8569e913af2a11addf2a6a640e22f2a92e691576bbc89de411

Analysis

max time kernel
150s
max time network
167s
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_vsasgore.ogg
Size

1.7MB
MD5

f210e62ee36e85ad97c15efcc0401e9c
SHA1

65c728a3fc987e45e55a1a6b337376a814dff2b1
SHA256

9cf830d2b8b941e82b0822010461b17d9581dd3b98adc7abab8ae5cb5bfb105b
SHA512

50d46f23c743b1200ec7871107bc41d334b7091a3a75001a24b55064d13632564271690dfec4fea83304e9aabe7dff5729af460ef35741d293357a3f2fb1fb46
SSDEEP

24576:lSOZGfabqjuSnopI6DHWwhS8RB4hFb1AFwH4i29rPjRoxL+ec90BicG:XQfabqjumo2AWuRBWV49Jol+VgG

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-1-5-21-2275444769-3691835758-4097679484-1000\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-1-5-21-2275444769-3691835758-4097679484-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4160	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4160	vlc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	1176	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1176	AUDIODG.EXE
Token: 33	4160	vlc.exe
Token: SeIncBasePriorityPrivilege	4160	vlc.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
4160	vlc.exe
4160	vlc.exe
4160	vlc.exe
4160	vlc.exe
4160	vlc.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4160	vlc.exe
4160	vlc.exe
4160	vlc.exe
4160	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4160	vlc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 4160	1384	cmd.exe	85
PID 1384 wrote to memory of 4160	1384	cmd.exe	85

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Undertale\mus_vsasgore.ogg
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1384
- 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_vsasgore.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:4160

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4f8 0x4e4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1176

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/1176-175-0x00000196261A0000-0x000001962635C000-memory.dmp

Filesize
1.7MB

Download
memory/4160-166-0x00007FF86B980000-0x00007FF86B990000-memory.dmp

Filesize
64KB

Download
memory/4160-168-0x00007FF861CF0000-0x00007FF861D01000-memory.dmp

Filesize
68KB

Download
memory/4160-142-0x00007FF8637B0000-0x00007FF8637C7000-memory.dmp

Filesize
92KB

Download
memory/4160-143-0x00007FF863790000-0x00007FF8637A1000-memory.dmp

Filesize
68KB

Download
memory/4160-144-0x00007FF863770000-0x00007FF863787000-memory.dmp

Filesize
92KB

Download
memory/4160-146-0x00007FF863730000-0x00007FF86374D000-memory.dmp

Filesize
116KB

Download
memory/4160-147-0x00007FF863710000-0x00007FF863721000-memory.dmp

Filesize
68KB

Download
memory/4160-148-0x00007FF863510000-0x00007FF863710000-memory.dmp

Filesize
2.0MB

Download
memory/4160-145-0x00007FF863750000-0x00007FF863761000-memory.dmp

Filesize
68KB

Download
memory/4160-158-0x00007FF862310000-0x00007FF862328000-memory.dmp

Filesize
96KB

Download
memory/4160-149-0x00007FF862460000-0x00007FF86350B000-memory.dmp

Filesize
16.7MB

Download
memory/4160-161-0x00007FF862200000-0x00007FF86226F000-memory.dmp

Filesize
444KB

Download
memory/4160-162-0x00007FF8621E0000-0x00007FF8621F1000-memory.dmp

Filesize
68KB

Download
memory/4160-163-0x00007FF862180000-0x00007FF8621DC000-memory.dmp

Filesize
368KB

Download
memory/4160-164-0x00007FF862000000-0x00007FF862178000-memory.dmp

Filesize
1.5MB

Download
memory/4160-165-0x00007FF861FE0000-0x00007FF861FF7000-memory.dmp

Filesize
92KB

Download
memory/4160-167-0x00007FF861D10000-0x00007FF861D3F000-memory.dmp

Filesize
188KB

Download
memory/4160-138-0x00007FF73EA40000-0x00007FF73EB38000-memory.dmp

Filesize
992KB

Download
memory/4160-140-0x00007FF863A20000-0x00007FF863CD4000-memory.dmp

Filesize
2.7MB

Download
memory/4160-169-0x00007FF861CD0000-0x00007FF861CE6000-memory.dmp

Filesize
88KB

Download
memory/4160-141-0x00007FF86B420000-0x00007FF86B438000-memory.dmp

Filesize
96KB

Download
memory/4160-170-0x00007FF861C00000-0x00007FF861CC5000-memory.dmp

Filesize
788KB

Download
memory/4160-171-0x00007FF861BE0000-0x00007FF861BF5000-memory.dmp

Filesize
84KB

Download
memory/4160-172-0x00007FF873D70000-0x00007FF873D81000-memory.dmp

Filesize
68KB

Download
memory/4160-173-0x00007FF865800000-0x00007FF865812000-memory.dmp

Filesize
72KB

Download
memory/4160-157-0x00007FF862330000-0x00007FF862341000-memory.dmp

Filesize
68KB

Download
memory/4160-156-0x00007FF862350000-0x00007FF86236B000-memory.dmp

Filesize
108KB

Download
memory/4160-155-0x00007FF862370000-0x00007FF862381000-memory.dmp

Filesize
68KB

Download
memory/4160-154-0x00007FF862390000-0x00007FF8623A1000-memory.dmp

Filesize
68KB

Download
memory/4160-153-0x00007FF8623B0000-0x00007FF8623C1000-memory.dmp

Filesize
68KB

Download
memory/4160-152-0x00007FF8623D0000-0x00007FF8623E8000-memory.dmp

Filesize
96KB

Download
memory/4160-151-0x00007FF8623F0000-0x00007FF862411000-memory.dmp

Filesize
132KB

Download
memory/4160-159-0x00007FF8622E0000-0x00007FF862310000-memory.dmp

Filesize
192KB

Download
memory/4160-160-0x00007FF862270000-0x00007FF8622D7000-memory.dmp

Filesize
412KB

Download
memory/4160-150-0x00007FF862420000-0x00007FF86245F000-memory.dmp

Filesize
252KB

Download
memory/4160-174-0x00007FF8640E0000-0x00007FF86425A000-memory.dmp

Filesize
1.5MB

Download
memory/4160-139-0x00007FF863CE0000-0x00007FF863D14000-memory.dmp

Filesize
208KB

Download
memory/4160-187-0x00007FF862460000-0x00007FF86350B000-memory.dmp

Filesize
16.7MB

Download