Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-01-2023 14:59

General

  • Target

    8ff416db5447cbcb7da7a2c10b20e3ec47f315fa15184979ea86c4e7e039a4c2.exe

  • Size

    266KB

  • MD5

    63b509f4565ff9a05402b2b18083b53a

  • SHA1

    a0c3ba7679a36976bbbbad6c08758054ba49af8b

  • SHA256

    8ff416db5447cbcb7da7a2c10b20e3ec47f315fa15184979ea86c4e7e039a4c2

  • SHA512

    49463bd0b39e16855562aa7230a6868493bac6028e33809c109421def6a152bb6d803855521da106e40527f4a0fcf6995c7533e193e337e09aea6e7f9e363d10

  • SSDEEP

    6144:yH8IVk4Zehh58aShksd29V0mN1s0fVyQaUvPQP/s:yHhBSh59uksd2ku1sqQQ+8

Score
10/10

Malware Config

Extracted

Family

systembc

C2

69.46.15.147:4001

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Drops file in Windows directory 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ff416db5447cbcb7da7a2c10b20e3ec47f315fa15184979ea86c4e7e039a4c2.exe
    "C:\Users\Admin\AppData\Local\Temp\8ff416db5447cbcb7da7a2c10b20e3ec47f315fa15184979ea86c4e7e039a4c2.exe"
    1⤵
    • Drops file in Windows directory
    PID:1256
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {705717EA-79B4-42F3-8E40-AF00C2C3C408} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\8ff416db5447cbcb7da7a2c10b20e3ec47f315fa15184979ea86c4e7e039a4c2.exe
      C:\Users\Admin\AppData\Local\Temp\8ff416db5447cbcb7da7a2c10b20e3ec47f315fa15184979ea86c4e7e039a4c2.exe start
      2⤵
        PID:268

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/268-59-0x0000000000000000-mapping.dmp

    • memory/268-60-0x0000000002EB8000-0x0000000002EC9000-memory.dmp

      Filesize

      68KB

    • memory/268-62-0x0000000002EB8000-0x0000000002EC9000-memory.dmp

      Filesize

      68KB

    • memory/268-63-0x0000000000400000-0x0000000002DB8000-memory.dmp

      Filesize

      41.7MB

    • memory/268-65-0x0000000002EB8000-0x0000000002EC9000-memory.dmp

      Filesize

      68KB

    • memory/1256-55-0x0000000076531000-0x0000000076533000-memory.dmp

      Filesize

      8KB

    • memory/1256-56-0x0000000000230000-0x0000000000330000-memory.dmp

      Filesize

      1024KB

    • memory/1256-57-0x00000000003A0000-0x00000000003A5000-memory.dmp

      Filesize

      20KB

    • memory/1256-58-0x0000000000400000-0x0000000002DB8000-memory.dmp

      Filesize

      41.7MB

    • memory/1256-64-0x0000000000230000-0x0000000000330000-memory.dmp

      Filesize

      1024KB