1048dc935e56622222c56b9afc9695fd83dd5ed9a567b2207e6e65ad71ec5254

Analysis

max time kernel
140s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 01:51

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General

Target

Modules/brs.dll
Size

115KB
MD5

6ebfb697f7b8b0b3399c6e845e9b12ba
SHA1

705f93bd0f390d8b6d533f20823a8d9f9300856c
SHA256

eab7e27c292aa35c661e01d71ec91f0503c915742ba04135da3eb4ad931db8f5
SHA512

f5499b172b704d069c83b6d5fb7a206f11db3206061aad01de69a04d0d7b9f5e4fa8a5645259c8e612a416fa6f022b8e9c6041b8e344b2c783549477faa95f13
SSDEEP

3072:DKnpWlIy5P6DEb1j8+D/4imoUIXTw6JTKwOd2/EBX:MpWlRZ6Daj8+Fjzubd2/EB

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 4628 wrote to memory of 2900	4628	rundll32.exe	84
PID 4628 wrote to memory of 2900	4628	rundll32.exe	84
PID 4628 wrote to memory of 2900	4628	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\brs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\brs.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2900

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

Windows 7 deprecation

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