Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    09-07-2021 09:08

General

  • Target

    7f17f223e4da250bfe4bfff2fc91bc13.exe

  • Size

    718KB

  • MD5

    7f17f223e4da250bfe4bfff2fc91bc13

  • SHA1

    1172ef0932115441dec43378f15d74f42fdb1d42

  • SHA256

    12acd7745d22a1b295e3fd96e3994a2a36d456df3cab6f3493942c79e942a43b

  • SHA512

    8db28083b68fb8283d3a22ee2c59c5d9b1471bd2c0448a0f63ab2373b05a87e991b7601d2e4d4e7e26865403823f6c7d4c7c367ee52b28d5da2b9b93318193c0

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\7f17f223e4da250bfe4bfff2fc91bc13.exe
    "C:\Users\Admin\AppData\Local\Temp\7f17f223e4da250bfe4bfff2fc91bc13.exe"
    1⤵
    • Drops file in Windows directory
    PID:1944
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {95F947D9-9AB0-4F93-86EA-F01CDE869E0C} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Users\Admin\AppData\Local\Temp\7f17f223e4da250bfe4bfff2fc91bc13.exe
      C:\Users\Admin\AppData\Local\Temp\7f17f223e4da250bfe4bfff2fc91bc13.exe start
      2⤵
        PID:1768

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1768-64-0x0000000000000000-mapping.dmp
    • memory/1768-65-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/1768-68-0x0000000000400000-0x00000000004B9000-memory.dmp
      Filesize

      740KB

    • memory/1944-60-0x0000000076691000-0x0000000076693000-memory.dmp
      Filesize

      8KB

    • memory/1944-62-0x0000000000300000-0x0000000000305000-memory.dmp
      Filesize

      20KB

    • memory/1944-63-0x0000000000400000-0x00000000004B9000-memory.dmp
      Filesize

      740KB

    • memory/1944-61-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB