89b48a77be8fa5b1614152f79c85b56bc26f026b0491749908cdf2186407b06f

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
13/11/2026, 12:10

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General

Target
_asyncio.dll
Size 56KB
Sample261113-pcjztsvs5m
SHA256 89b48a77be8fa5b1614152f79c85b56bc26f026b0491749908cdf2186407b06f
MD5 c109db7c30ebc7145f669b0c45ac9d7b
SHA1 fb69e85d41474d77109fce27da878abd5934763a
SHA512 16ff43b0723958525d62264612ef0337d0f334fccbc3894230db3c8cc081b028660ec7cef17f375ecee6a911dac67952d133b34517557435b7b1fb2c28935c78
SSDEEP 1536:viULU9Lbx5udbmDoOTX2j/hsNBmRo2iQdIIYnOjHy3:vi4MLLbWImRo2iQdIIYnOj+
TLSH
T12C432A58E60066A2DBD960B871E86BB67F38A5500FA440F3EABF48F31D601D3D27D716
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2604	4812	WerFault.exe	89

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 4932 wrote to memory of 4812	4932	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_asyncio.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_asyncio.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 540
    3⤵
    - Program crash
    PID:2604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4812 -ip 4812
1⤵
PID:4344

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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