7ade1d5122c60be7668b10cfee4018b264d3b4c8c0a3bbea9d6d6f415b884a86

Analysis

max time kernel
149s
max time network
151s
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/avcodec-vgmstream-58.dll
Size 1.9MB
Sample260522-daa4csfy2t
SHA256 7ade1d5122c60be7668b10cfee4018b264d3b4c8c0a3bbea9d6d6f415b884a86
MD5 14bd788c46232c51cb3a4ef97779f64d
SHA1 ef00b55e25c78ec16173e66e7d6f30eb73e17f5b
SHA512 4bd35c96a7cacd1c8720257f1ce433844add3521afa2505dc8f545c6dba53b1a9ec4700ecb3177421bae1c23c33cb50fe50fc17b3a53f5788a5cad7aa7529b65
SSDEEP 49152:k1xwvWirTqMqPu1mIj0jH7Zz9HwtC6q2t6:k1xUrTR8fI4bJ9yt6
TLSH
T12A959C41FA8798F1E6971630925BE77FDB385F194020DE76FF88AA5DF8B3E161804248
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2196	4432	WerFault.exe	81

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 2256 wrote to memory of 4432	2256	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libs\avcodec-vgmstream-58.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\libs\avcodec-vgmstream-58.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 476
    3⤵
    - Program crash
    PID:2196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4432 -ip 4432
1⤵
PID:4804

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

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Downloads

memory/4432-1-0x00000000747D0000-0x000000007487F000-memory.dmp

Download

memory/4432-0-0x0000000074880000-0x0000000074CA9000-memory.dmp