575b3435debce773faf1403dc24e23d8133e8828ba57a0d680961a61bde1b435

Analysis

max time kernel
85s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
20/03/2025, 02:58

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General

Target

apt/SysWOW64/AarSvc.dll
Size

344KB
MD5

64cb36279f29577cddf5325fab394043
SHA1

a00fc0f57a05e9a1179bc3fb8a80cfec27eff011
SHA256

420213e7e572d6ac871a63cb9c4a72b403730cf6938ad2591858a3ea15bf0592
SHA512

665dd5f67b75eb69a0249c04838409985f3f18cbdd72cab48e385c5351acb65b1b8e335b264171609321e9b53f447bfbaa7138653d933f963a3a20a868645f0f
SSDEEP

6144:7kG0Kq8A0t9Gq5C6jJ51xL/U63Ugf+biO5xgt3mg1oRSHkJe:48JD5C6jJVL863UgW5xgD1B

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 3 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 5440	3480	rundll32.exe	86
PID 3480 wrote to memory of 5440	3480	rundll32.exe	86
PID 3480 wrote to memory of 5440	3480	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\apt\SysWOW64\AarSvc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3480
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\apt\SysWOW64\AarSvc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5440

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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