Analysis

  • max time kernel
    62s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    06-07-2021 07:09

General

  • Target

    9f2cc4d1d0c599bab186692c518d3193.exe

  • Size

    780KB

  • MD5

    9f2cc4d1d0c599bab186692c518d3193

  • SHA1

    968c9f9a7829c77d8d9553accb9dbd9ead717386

  • SHA256

    b9c6bfa4ad09302620dfe9c7edf398cb3a6249c7cdd8d9be61395d857083a3c3

  • SHA512

    aca1f7c734652dc537e3c2cb5204dc7e682a28d9941e870a7bfba964a7236fc1219537ae3558017e9e48dd6a016fb342f1ae2aa4d84e41f619200d5e4900f159

Score
10/10

Malware Config

Extracted

Family

systembc

C2

185.215.113.32:4000

78.47.64.46:4000

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\9f2cc4d1d0c599bab186692c518d3193.exe
    "C:\Users\Admin\AppData\Local\Temp\9f2cc4d1d0c599bab186692c518d3193.exe"
    1⤵
    • Drops file in Windows directory
    PID:2004
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {2896C1B3-4495-4656-B8FE-B2994E9F3AFD} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Users\Admin\AppData\Local\Temp\9f2cc4d1d0c599bab186692c518d3193.exe
      C:\Users\Admin\AppData\Local\Temp\9f2cc4d1d0c599bab186692c518d3193.exe start
      2⤵
        PID:904

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/904-64-0x0000000000000000-mapping.dmp

    • memory/904-68-0x0000000000400000-0x00000000004C8000-memory.dmp

      Filesize

      800KB

    • memory/2004-60-0x00000000765F1000-0x00000000765F3000-memory.dmp

      Filesize

      8KB

    • memory/2004-62-0x00000000003C0000-0x00000000003C5000-memory.dmp

      Filesize

      20KB

    • memory/2004-63-0x0000000000400000-0x00000000004C8000-memory.dmp

      Filesize

      800KB

    • memory/2004-61-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB