Analysis

  • max time kernel
    132s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 01:58

General

  • Target

    b010fc8a5324e8c3f72bd5884f5f31cbc02dcb9df573cf5a82405560f4927687.exe

  • Size

    91KB

  • MD5

    4516d516dcf02b03d700312e4af2b58f

  • SHA1

    8a36bd779bfba8a87b5d8ee8e6c0d7c0a4faa3ca

  • SHA256

    b010fc8a5324e8c3f72bd5884f5f31cbc02dcb9df573cf5a82405560f4927687

  • SHA512

    0709c4069670d24c96d32f47fbf8a0eb0b3484cdce07205f5d2640b9b852fa8d0b1fda1b93d2858062ad76c44778cbc68ee831f3919e82422197c64e9a698f39

  • SSDEEP

    1536:rMuBw+olasjN0Fu8MmiGRwOFSe4808VxdHDYIEgr69cmoLu0t0H:rMuBwsshLW/j4v8PdHsX9cmoLu0Y

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

OP

C2

20.117.108.240:5612

Mutex

HssS7dvHeccj

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Detects file containing reversed ASEP Autorun registry keys 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b010fc8a5324e8c3f72bd5884f5f31cbc02dcb9df573cf5a82405560f4927687.exe
    "C:\Users\Admin\AppData\Local\Temp\b010fc8a5324e8c3f72bd5884f5f31cbc02dcb9df573cf5a82405560f4927687.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #system32
      2⤵
        PID:2904
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        #system32
        2⤵
          PID:3848
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          #system32
          2⤵
            PID:3732
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            #system32
            2⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4872

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3032-0-0x00000000750BE000-0x00000000750BF000-memory.dmp

          Filesize

          4KB

        • memory/3032-1-0x00000000004C0000-0x00000000004DE000-memory.dmp

          Filesize

          120KB

        • memory/3032-2-0x00000000750B0000-0x0000000075860000-memory.dmp

          Filesize

          7.7MB

        • memory/3032-6-0x00000000750B0000-0x0000000075860000-memory.dmp

          Filesize

          7.7MB

        • memory/4872-3-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/4872-5-0x00000000750B0000-0x0000000075860000-memory.dmp

          Filesize

          7.7MB

        • memory/4872-7-0x00000000750B0000-0x0000000075860000-memory.dmp

          Filesize

          7.7MB

        • memory/4872-10-0x00000000055A0000-0x000000000563C000-memory.dmp

          Filesize

          624KB

        • memory/4872-11-0x0000000005BF0000-0x0000000006194000-memory.dmp

          Filesize

          5.6MB

        • memory/4872-12-0x00000000056B0000-0x0000000005716000-memory.dmp

          Filesize

          408KB

        • memory/4872-13-0x00000000750B0000-0x0000000075860000-memory.dmp

          Filesize

          7.7MB

        • memory/4872-14-0x00000000750B0000-0x0000000075860000-memory.dmp

          Filesize

          7.7MB