a768057aded61cbfbae343bfcefdbee02db4d0ea61183933803821375791d271

Analysis

max time kernel
131s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 16:28

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General

Target

ThirdParty/vgmstream/libmpg123-0.dll
Size

197KB
MD5

f4dfc8c796694676dd702549c6db1f1e
SHA1

e57bafc6f52e08e797a4af5344415d4af93014ce
SHA256

0ed3cbb7da7483a624a63125986d5286e6f2bb2635a3e69640e5f1d5c4ae3e8a
SHA512

9342fe1353a63b190ca1449d9c81a577df7433d6be4db029e081b7dd81f93117a279866fc95ef42eaeba57eab027a6740381fd9399f9e4b913a923b937cc61f3
SSDEEP

6144:8Y0fUvq91hOuI3keKM8ON6bcPZRXi+Jbq:QfUvq91hOuGHJRRXiWO

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1656	4284	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 4284	4572	rundll32.exe	90
PID 4572 wrote to memory of 4284	4572	rundll32.exe	90
PID 4572 wrote to memory of 4284	4572	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ThirdParty\vgmstream\libmpg123-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ThirdParty\vgmstream\libmpg123-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4284
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 600
    3⤵
    - Program crash
    PID:1656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4284 -ip 4284
1⤵
PID:2996

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4300,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=1424 /prefetch:8
1⤵
PID:2092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4284-0-0x0000000066240000-0x0000000066286000-memory.dmp

Filesize
280KB

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