ed33b03df3b54da299df5b2452ecf637ca91b46325fa9e318a6fbff92f498a20

Resubmissions

09/11/2025, 03:52

251109-efe5yazngk

09/11/2025, 03:47

251109-ecl43sdx2b3

Analysis

geolocation tags

nanew-jerseynorth-americaunited-statesususa
max time kernel
98s
max time network
103s
platform
windows11-21h2_x64
resource
win11-20251015-en
resource tags

arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
submitted
09/11/2025, 03:47

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General

Target
ffmpegsumo.dll
Size 939KB
Sample251109-ecl43sdx2b
SHA256 794d6bb8bc1ae294ba37dc5a7931a0801bb767f208eb894295812d778bc6349e
MD5 ed7bb38a1d8317208c6fc68d9496391e
SHA1 6eeca35613fb0c1818c4360bc65056a4e83fc042
SHA512 2627634f27932ad0faab1ea2be0a825dc5280139517a54ed4df036f059a8d0f1e988622744cb06496d1c3587decf5c8a05cd560d69066a7c49f6f8a31aa95525
SSDEEP 12288:D7P1NHYBYI6SOdzkmYYdlC2SHRxhOqgZslRFhASNt6MCU4SlHyz5XT+uXPA957EG:Dm6SOtHYYdlC2SHzhiO04EMkBT+uI
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5408	4136	WerFault.exe	78

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 3 IoCs

description	pid	Process	procid_target
PID 6016 wrote to memory of 4136	6016	rundll32.exe	78
PID 6016 wrote to memory of 4136	6016	rundll32.exe	78
PID 6016 wrote to memory of 4136	6016	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffmpegsumo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:6016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffmpegsumo.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 476
    3⤵
    - Program crash
    PID:5408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4136 -ip 4136
1⤵
PID:2060

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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