26ac1b09a3ad625ccb25946b2e13437215f7ef80a73281104d2a1be87a17c09a

Analysis

max time kernel
137s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 00:29

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General

Target

Filters/Ogg/vorbisenc.dll
Size

900KB
MD5

dca492c3d3019a689e85f3ff0afb3d3d
SHA1

a7e8753074d65158f438e1456ea56cada7fecaf4
SHA256

fb4124ed537efe868915907b50031634f01defc7d655323f457a660cb8fd9330
SHA512

15fc0eeb9a410704e824d954c4afc10f73f77e20a1796374d79c71b00cfe071ef5b54c2be67db6d9d21f042d9e7e768e418f6076ea63fad2b5d6a77c7d169c05
SSDEEP

1536:plPHz2jec4Lw5CFdzuLJKySOEa0tCFXp40Syu5oKTdkEbN:ffaqFdOgeEa0Mty0Sy2oKTdtN

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2768	1436	WerFault.exe	84

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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 3668 wrote to memory of 1436	3668	rundll32.exe	84
PID 3668 wrote to memory of 1436	3668	rundll32.exe	84
PID 3668 wrote to memory of 1436	3668	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Filters\Ogg\vorbisenc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Filters\Ogg\vorbisenc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 604
    3⤵
    - Program crash
    PID:2768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1436 -ip 1436
1⤵
PID:3972

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/1436-0-0x0000000000BA0000-0x0000000000BD0000-memory.dmp

Filesize
192KB

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memory/1436-2-0x0000000000AB0000-0x0000000000ABC000-memory.dmp

Filesize
48KB

Download