Analysis

  • max time kernel
    93s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2025, 15:46

General

  • Target

    NOTIFICO DERECHO DE PETICION; BAJO EL RADICADO 774830-2025..exe

  • Size

    4.3MB

  • MD5

    d459191c46fe47459df7c3ca0ebdcf9d

  • SHA1

    e37f0be08a980f9425440422b922563f72529076

  • SHA256

    946ee9f5d6e40bc70775ca64e640dab42dd837315d3dea79e5e965d94e77080c

  • SHA512

    7f6cf43360a80373335438d8994ff1d8c853ed067be51eff4c5584bebd61084881b380f9b206cd2f20288ab6ea8ae16f0cc5144b59ea7917d02af23582514902

  • SSDEEP

    49152:hCXtvRXOhEc2MgyXuTEGQpOEaIZaFChW7ZajQVM0RFC1zNURFZufu4vbRF:hCxRXOhEc2MgYHTpokQVMcFAp8FZQ1F

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

ff

C2

85.31.47.59:8848

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NOTIFICO DERECHO DE PETICION; BAJO EL RADICADO 774830-2025..exe
    "C:\Users\Admin\AppData\Local\Temp\NOTIFICO DERECHO DE PETICION; BAJO EL RADICADO 774830-2025..exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1660-7-0x0000000002790000-0x00000000027EC000-memory.dmp

    Filesize

    368KB

  • memory/1660-1-0x0000000000400000-0x000000000085C000-memory.dmp

    Filesize

    4.4MB

  • memory/1660-3-0x00000000025C0000-0x00000000025ED000-memory.dmp

    Filesize

    180KB

  • memory/1660-0-0x0000000000400000-0x000000000085C000-memory.dmp

    Filesize

    4.4MB

  • memory/3736-8-0x00000000055B0000-0x00000000055C0000-memory.dmp

    Filesize

    64KB

  • memory/3736-5-0x0000000000B70000-0x0000000000B82000-memory.dmp

    Filesize

    72KB

  • memory/3736-4-0x000000007461E000-0x000000007461F000-memory.dmp

    Filesize

    4KB

  • memory/3736-11-0x0000000005D00000-0x0000000005D9C000-memory.dmp

    Filesize

    624KB

  • memory/3736-12-0x0000000006350000-0x00000000068F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3736-13-0x0000000005DA0000-0x0000000005E06000-memory.dmp

    Filesize

    408KB

  • memory/3736-14-0x0000000071705000-0x0000000071706000-memory.dmp

    Filesize

    4KB

  • memory/3736-15-0x000000007461E000-0x000000007461F000-memory.dmp

    Filesize

    4KB

  • memory/3736-16-0x00000000055B0000-0x00000000055C0000-memory.dmp

    Filesize

    64KB