Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 18:53

General

  • Target

    JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe

  • Size

    1.3MB

  • MD5

    c59d7f337636c78922afc92241bca86e

  • SHA1

    2712b3245ff84f49e72dde931f71d54a05539770

  • SHA256

    cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181

  • SHA512

    7526e6f6a6acc7b8baa16fec29e8c7ba05b5b1049f2951ef44489251b00e2c969e92d9c42c9b5be3ce273f6a42feebcba8605bcff068b7309e79b6801d5f57a7

  • SSDEEP

    12288:yrnjoa5ynWZQzjFeM6DJOjB9sTTHyzhYxwEf4N1gd2vnjc+Wk7pY9gfEqCO:VnYQb6VOp6wYQFEw

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

carlosmenguallora09.duckdns.org:1994

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cae2fb48c8bf03017b0d8321e79b3ac3209887eb77658e617c63f63a6f14f181.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2752
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2508-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

    Filesize

    4KB

  • memory/2508-1-0x00000000000C0000-0x0000000000212000-memory.dmp

    Filesize

    1.3MB

  • memory/2508-2-0x00000000047E0000-0x0000000004886000-memory.dmp

    Filesize

    664KB

  • memory/2508-3-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2508-4-0x0000000004880000-0x0000000004912000-memory.dmp

    Filesize

    584KB

  • memory/2508-25-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2508-8-0x00000000749EE000-0x00000000749EF000-memory.dmp

    Filesize

    4KB

  • memory/2508-9-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2692-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2692-12-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2692-14-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2692-21-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2692-18-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2692-16-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2692-24-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2692-22-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2752-10-0x0000000002E80000-0x0000000002EC0000-memory.dmp

    Filesize

    256KB

  • memory/2752-7-0x0000000002E80000-0x0000000002EC0000-memory.dmp

    Filesize

    256KB