831605ff5b319d1c7f8cbb4060d54e7c4a43d7c8e226cb36e04280401f04512b

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 17:20

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General

Target

ASYCFILT.dll
Size

144KB
MD5

c89e401800de62e5702e085d898eed20
SHA1

72fb4f088c6ac02097b55fb267c76fbf5e0fa1f7
SHA256

de83c9d9203050b40c098e4143ef8f577aa90016c7a64d4f2931b57a4c43e566
SHA512

70006d70dcb47361ff43e4f7c458655ad2474b70cb917873aa77d2cc06465a68d375d36c494d154a03dbbff891df7dd6cab3d2c7b08e8650b9ff170e30838070
SSDEEP

3072:h+qD1Cd/Oa5kXFlqkFGr3CAP7LCyInPEggen5Ez:hlCd/OaaFEjCAPKyOE6na

Score

3^/10

discovery

Malware Config

Signatures

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 7 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30
PID 2584 wrote to memory of 2916	2584	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ASYCFILT.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ASYCFILT.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2916

Network

MITRE ATT&CK Enterprise v15

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 v15

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