Analysis

  • max time kernel
    150s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-02-2022 03:15

General

  • Target

    702a1b613e1293c407192b59d890b208f6a3b0c71c75f292b9d45b566591eda3.exe

  • Size

    209KB

  • MD5

    5cdf1b191b0b18d04353640f96c5daef

  • SHA1

    ea46f37af7b78d91934ab0010abaf436437585f9

  • SHA256

    702a1b613e1293c407192b59d890b208f6a3b0c71c75f292b9d45b566591eda3

  • SHA512

    3439b69b3e6db586dc8733094e2ca265a67c58e499c163f4be7d780bf2febe18819163b7e34108a4e3ff6f94e7f770345c099df69b50c82f455dfb15622d0be4

Score
10/10

Malware Config

Extracted

Family

systembc

C2

195.2.73.44:4001

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\702a1b613e1293c407192b59d890b208f6a3b0c71c75f292b9d45b566591eda3.exe
    "C:\Users\Admin\AppData\Local\Temp\702a1b613e1293c407192b59d890b208f6a3b0c71c75f292b9d45b566591eda3.exe"
    1⤵
    • Drops file in Windows directory
    PID:1716
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {907063A5-F7CD-45E5-8184-E6A56D414B37} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Local\Temp\702a1b613e1293c407192b59d890b208f6a3b0c71c75f292b9d45b566591eda3.exe
      C:\Users\Admin\AppData\Local\Temp\702a1b613e1293c407192b59d890b208f6a3b0c71c75f292b9d45b566591eda3.exe start
      2⤵
        PID:1392

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1392-60-0x0000000000030000-0x0000000000035000-memory.dmp
      Filesize

      20KB

    • memory/1392-61-0x0000000000400000-0x0000000000407000-memory.dmp
      Filesize

      28KB

    • memory/1716-56-0x0000000000030000-0x0000000000035000-memory.dmp
      Filesize

      20KB

    • memory/1716-55-0x0000000000020000-0x0000000000026000-memory.dmp
      Filesize

      24KB

    • memory/1716-57-0x0000000076731000-0x0000000076733000-memory.dmp
      Filesize

      8KB

    • memory/1716-58-0x0000000000400000-0x0000000000407000-memory.dmp
      Filesize

      28KB