8cd48c0566ce5cd67172d0f38ece80f4975ed23309a58db0fc8b0331c1041b4b

Analysis

max time kernel
898s
max time network
554s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
28/08/2026, 18:58

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General

Target
avutil-60.dll
Size 865KB
Sample260828-xmkccasdnc
SHA256 8cd48c0566ce5cd67172d0f38ece80f4975ed23309a58db0fc8b0331c1041b4b
MD5 bfc5b541343a76e5bb80d3b1ca4a6c2c
SHA1 564eb6629234e36b5295eb756b094fe2c24ab210
SHA512 00ca35496e997b6c8b1fbd05f61da029a8450ae64e3e52dc9ba9a02dcf0759efb10e8bfe6a3e5d18a4ad0a7962f2916b9f6ac4dc38be3ca07a048c92d10fc2ee
SSDEEP 12288:H8WW3TFEgj0zvIHxRVUuFTgh8pGe4fvVtJ9uZyMkePo1HYNEulOlSs3re16eypXW:OCpzAHxRVUv1pnh9SZs3rA6eYNQtx
TLSH
T1F015AE40F6D785F1D49D247832ABB37BAA3A22550B2CDAF7D7D05D6A9C302D09CB7284
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4572	2396	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 2036 wrote to memory of 2396	2036	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\avutil-60.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\avutil-60.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 480
    3⤵
    - Program crash
    PID:4572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2396 -ip 2396
1⤵
PID:5112

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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