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Analysis

  • max time kernel
    129s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/07/2024, 23:45

General

  • Target

    SolaraBootrapper.exe

  • Size

    64KB

  • MD5

    774797464cf5376bb757bbef621f0887

  • SHA1

    4f2e33f1d643487db43c7a9482a2839cb9bc1944

  • SHA256

    6019a752eb6a130c3121fbcc23fe84ea8179374f3ce63e16009cbee672e5c469

  • SHA512

    04d08bdfd52165105afdca03efc46f9a899d9acfc241d7a1b93bdca3becea91f7cd84716863dab60e9bebaad1d2ad243f869bcf20e781a3037be931bbbb6a611

  • SSDEEP

    1536:2mL6HVloCyy5nVwiGfMOw0weB90trw42jU23utLF9pWzn:3L+vyyQi8w0weE9QUHvkn

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

192.168.0.23:6606

192.168.0.23:7707

192.168.0.23:8808

Mutex

Anh14EOLKPzm

Attributes
  • delay

    3

  • install

    false

  • install_file

    SolaraBootstrapper.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SolaraBootrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\SolaraBootrapper.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Users\Admin\AppData\Local\Temp\SolaraBootrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\SolaraBootrapper.exe"
      2⤵
        PID:1280

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SolaraBootrapper.exe.log

      Filesize

      1KB

      MD5

      b5291f3dcf2c13784e09a057f2e43d13

      SHA1

      fbb72f4b04269e0d35b1d9c29d02d63dbc7ad07e

      SHA256

      ad995b51344d71019f96fc3a424de00256065daad8595ff599f6849c87ae75ce

      SHA512

      11c89caac425bccaa24e2bb24c6f2b4e6d6863278bf8a5304a42bb44475b08ca586e09143e7d5b14db7f1cd9adacd5358769e0d999dc348073431031067bd4d4

    • memory/1280-10-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/1280-16-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/1280-15-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/1280-13-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/2892-4-0x0000000005750000-0x000000000575A000-memory.dmp

      Filesize

      40KB

    • memory/2892-6-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/2892-7-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/2892-8-0x0000000005740000-0x0000000005754000-memory.dmp

      Filesize

      80KB

    • memory/2892-9-0x00000000058B0000-0x00000000058CE000-memory.dmp

      Filesize

      120KB

    • memory/2892-5-0x0000000005810000-0x0000000005886000-memory.dmp

      Filesize

      472KB

    • memory/2892-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

      Filesize

      4KB

    • memory/2892-3-0x00000000055A0000-0x0000000005632000-memory.dmp

      Filesize

      584KB

    • memory/2892-14-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/2892-2-0x0000000005B50000-0x00000000060F4000-memory.dmp

      Filesize

      5.6MB

    • memory/2892-1-0x0000000000BD0000-0x0000000000BE6000-memory.dmp

      Filesize

      88KB