83bdf1c999be7fd545bb5208d597e56cf4a879666884878ad4bb9e13cf95911c

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
22/05/2026, 02:47

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General

Target
libs/libvorbis.dll
Size 776KB
Sample260522-daa4csfy2t
SHA256 83bdf1c999be7fd545bb5208d597e56cf4a879666884878ad4bb9e13cf95911c
MD5 18dca01d1b2012ceb7505334728a5802
SHA1 88e815647f46994a0f0d04535674c5410969c6d8
SHA512 3378488eae16bb18414c0257c45f5b03503469bcefa02d09d4a1cf3560a5c2d30c0cb14e427ad4332be887c11127071771b757d76bb5406649c367026cf8faad
SSDEEP 12288:9IkXVpUntmCRYsINLqIolmRc3cQQlchxLp2z8dUp45F:vFpUUCqsINfRRc3cQQlchxLp2zzwF
TLSH
T14D05B413F692ADA7D7E812350091F5305621BCBCC3E31AF73E8476FE79A69445F2A620
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5772	3456	WerFault.exe	80

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 1 IoCs

description	pid	Process	procid_target
PID 5304 wrote to memory of 3456	5304	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libs\libvorbis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\libs\libvorbis.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 448
    3⤵
    - Program crash
    PID:5772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3456 -ip 3456
1⤵
PID:4364

Network

MITRE ATT&CK Enterprise v16

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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