575b3435debce773faf1403dc24e23d8133e8828ba57a0d680961a61bde1b435

Analysis

max time kernel
114s
max time network
126s
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/AppContracts.dll
Size

753KB
MD5

18b285d22631c1c2a3d31a22e0077bb5
SHA1

7361e3f1edcec6192dde3eb048eb017a265a8569
SHA256

399f410e348cc83f7b99f8e1fb2682dd07dab9a6636042ceef7d674b9cea7490
SHA512

5753d8216a63c2ba12c5c6b3ef982dbe7cb5a89c540ae3c3d69b348ab2829d10fe54d830c43e37e7b08569248078cda3442c87d37f804592307739613605e290
SSDEEP

12288:OuptsRTC3FT9Zh1NX+UQbsuXvL+qDlQhH6Hy66:OuptsRTC3FT9z1NX+Uk1vLrGH6HF6

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 3092 wrote to memory of 4940	3092	rundll32.exe	87
PID 3092 wrote to memory of 4940	3092	rundll32.exe	87
PID 3092 wrote to memory of 4940	3092	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\apt\SysWOW64\AppContracts.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\apt\SysWOW64\AppContracts.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4940

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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