775df36c687a931f56d7ff59c95ada6d620a9d73e219b3df8953dd1d96057aa6

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
05/08/2026, 01:06

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General

Target
avformat-60.dll
Size 271KB
Sample260805-bf7neabd52
SHA256 775df36c687a931f56d7ff59c95ada6d620a9d73e219b3df8953dd1d96057aa6
MD5 30b1b12766ea634621631f01245adf36
SHA1 451b7f2311e2528d3b17b97826b3216cb40c5898
SHA512 171bca50619524833d1d553debf1421fc0409a3049f28471e4468c19a1b877a0f2ed308b7f948402630023f330dca3fb5fa4a299535f36b01117baf2fea692c5
SSDEEP 6144:ZUPv4VFLbmTpUjlor8H/w383FidBwmsEqbzeMaBl85JDm150TwWTsLGiFF:ZoMCT0H/RidCmsPbzeMaBaDmzLVF
TLSH
T1A444BE81FBC280B2D4DA05341175DF7A8EBD6B265B20E9D7D3801A785E231D2E237B5E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1896	2952	WerFault.exe	86

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 4692 wrote to memory of 2952	4692	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\avformat-60.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\avformat-60.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2952
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 616
    3⤵
    - Program crash
    PID:1896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2952 -ip 2952
1⤵
PID:1504

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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