4a08a6514a9bb199cae62c8a6ad799f064c3ed0c933c01eeafa59023b24aa56d

Resubmissions

11-08-2024 12:15

240811-pfbgvstblg 7

Analysis

max time kernel
59s
max time network
74s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2024 08:18

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Report Analysis Logs

General

Target

SMM_WE/bgm_smwclear.ogg
Size

91KB
MD5

5bef7ed5a5ab7d2069b16164ca18ff47
SHA1

e98a384121e72e0d45dd947131a9e01d74eb601e
SHA256

5e27eb04afe7163fd4c957b116d199667c1360790085e4c92a8d637aedb0d233
SHA512

3d0e5337a208b73ab1a77f4a857ffbe0f0c99ad39365cbe1cad6e6ac205c2eec976b0e0ed8301d1f8a132f17d50d3c5d6bf460a0f9aec1d3181de1be551c9fa1
SSDEEP

1536:zRA57VfUAjkJuxKKk0jVPKeoy64tSOhr+u1VZwcKl1DbZ1xiDqrtOrHwWT9faMPI:exxjkcxKkJoVKr+u1VZwXPvZviehCQWg

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4232	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4232	vlc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	3352	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3352	AUDIODG.EXE
Token: 33	4232	vlc.exe
Token: SeIncBasePriorityPrivilege	4232	vlc.exe

Suspicious use of FindShellTrayWindow 15 IoCs

pid	Process
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe

Suspicious use of SendNotifyMessage 14 IoCs

pid	Process
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe
4232	vlc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4232	vlc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 4232	4796	cmd.exe	90
PID 4796 wrote to memory of 4232	4796	cmd.exe	90

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SMM_WE\bgm_smwclear.ogg
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Program Files\VideoLAN\VLC\vlc.exe
  "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\SMM_WE\bgm_smwclear.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:4232

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x48c 0x494
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/4232-5-0x00007FF712D00000-0x00007FF712DF8000-memory.dmp

Filesize
992KB

Download
memory/4232-6-0x00007FFE9FF90000-0x00007FFE9FFC4000-memory.dmp

Filesize
208KB

Download
memory/4232-14-0x00007FFE92B50000-0x00007FFE92B61000-memory.dmp

Filesize
68KB

Download
memory/4232-13-0x00007FFE92B70000-0x00007FFE92B8D000-memory.dmp

Filesize
116KB

Download
memory/4232-12-0x00007FFE92DF0000-0x00007FFE92E01000-memory.dmp

Filesize
68KB

Download
memory/4232-11-0x00007FFE92E10000-0x00007FFE92E27000-memory.dmp

Filesize
92KB

Download
memory/4232-10-0x00007FFE980B0000-0x00007FFE980C1000-memory.dmp

Filesize
68KB

Download
memory/4232-9-0x00007FFE980D0000-0x00007FFE980E7000-memory.dmp

Filesize
92KB

Download
memory/4232-8-0x00007FFE987C0000-0x00007FFE987D8000-memory.dmp

Filesize
96KB

Download
memory/4232-7-0x00007FFE91240000-0x00007FFE914F6000-memory.dmp

Filesize
2.7MB

Download
memory/4232-15-0x00007FFE90E40000-0x00007FFE9104B000-memory.dmp

Filesize
2.0MB

Download
memory/4232-16-0x00007FFE90DF0000-0x00007FFE90E31000-memory.dmp

Filesize
260KB

Download
memory/4232-22-0x00007FFE8FC90000-0x00007FFE8FCA1000-memory.dmp

Filesize
68KB

Download
memory/4232-21-0x00007FFE8FCB0000-0x00007FFE8FCC1000-memory.dmp

Filesize
68KB

Download
memory/4232-20-0x00007FFE8FCD0000-0x00007FFE8FCE1000-memory.dmp

Filesize
68KB

Download
memory/4232-19-0x00007FFE8FCF0000-0x00007FFE8FD08000-memory.dmp

Filesize
96KB

Download
memory/4232-18-0x00007FFE8FD10000-0x00007FFE8FD31000-memory.dmp

Filesize
132KB

Download
memory/4232-17-0x00007FFE8FD40000-0x00007FFE90DF0000-memory.dmp

Filesize
16.7MB

Download
memory/4232-32-0x00007FFE91240000-0x00007FFE914F6000-memory.dmp

Filesize
2.7MB

Download
memory/4232-42-0x00007FFE8FD40000-0x00007FFE90DF0000-memory.dmp

Filesize
16.7MB

Download
memory/4232-50-0x00007FFE91240000-0x00007FFE914F6000-memory.dmp

Filesize
2.7MB

Download
memory/4232-60-0x00007FFE8FD40000-0x00007FFE90DF0000-memory.dmp

Filesize
16.7MB

Download