Overview

overview

10

Static

static

3

3f16c2e20f...fb.exe

windows10-2004-x64

10

3f16c2e20f...fb.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    3f16c2e20ffd1141aeb8e81adb17f784d492db0886179f5898233ce376a63efb.bin
  • Size 836KB
  • Sample260910-dskeraxxet
  • SHA256 3f16c2e20ffd1141aeb8e81adb17f784d492db0886179f5898233ce376a63efb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 64.89.160.29:5566

Mutex

  • NvbzswGT7pdS

Attributes
  • delay

    3

  • install

    true

  • install_file

    chill.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      3f16c2e20ffd1141aeb8e81adb17f784d492db0886179f5898233ce376a63efb.bin
    • Size 836KB
    • SHA256 3f16c2e20ffd1141aeb8e81adb17f784d492db0886179f5898233ce376a63efb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

    • Family: AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks