Overview

overview

10

Static

static

c51cf33451...8a.exe

windows7_x64

10

c51cf33451...8a.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    173s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    17-04-2022 17:50

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General

  • Target

    c51cf33451f5667a1a5ff3790cfe930580f00cbccbc8c7d19876c1048deed18a.exe

  • Size

    96KB

  • MD5

    a04c8b219c9cc54437b337b0f9efbf9b

  • SHA1

    2f8c91d4074917f25be71102344d8415aa2b1756

  • SHA256

    c51cf33451f5667a1a5ff3790cfe930580f00cbccbc8c7d19876c1048deed18a

  • SHA512

    0baf265384b689f2414b10e6628a5c84fae66728618954784944e176e202eff988a20f9e1fcb35b44f3df23c87dcbdddad9485d1d97975ff4f1515e8e547ac6b

Score
10/10
systembctrojan

Malware Config

Extracted

Family

systembc

C2

23hfdne.com:4035

23hfdne.xyz:4035

Signatures

  • SystemBC

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

    trojansystembc
  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c51cf33451f5667a1a5ff3790cfe930580f00cbccbc8c7d19876c1048deed18a.exe
    "C:\Users\Admin\AppData\Local\Temp\c51cf33451f5667a1a5ff3790cfe930580f00cbccbc8c7d19876c1048deed18a.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:3416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 936
      2⤵
      • Program crash
      PID:3880
  • C:\ProgramData\thcsjbj\tffhuq.exe
    C:\ProgramData\thcsjbj\tffhuq.exe start
    1⤵
    • Executes dropped EXE
    PID:2604
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3416 -ip 3416
    1⤵
      PID:2920

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\ProgramData\thcsjbj\tffhuq.exe
      Filesize

      96KB

      MD5

      a04c8b219c9cc54437b337b0f9efbf9b

      SHA1

      2f8c91d4074917f25be71102344d8415aa2b1756

      SHA256

      c51cf33451f5667a1a5ff3790cfe930580f00cbccbc8c7d19876c1048deed18a

      SHA512

      0baf265384b689f2414b10e6628a5c84fae66728618954784944e176e202eff988a20f9e1fcb35b44f3df23c87dcbdddad9485d1d97975ff4f1515e8e547ac6b

      Download Submit
    • C:\ProgramData\thcsjbj\tffhuq.exe
      Filesize

      96KB

      MD5

      a04c8b219c9cc54437b337b0f9efbf9b

      SHA1

      2f8c91d4074917f25be71102344d8415aa2b1756

      SHA256

      c51cf33451f5667a1a5ff3790cfe930580f00cbccbc8c7d19876c1048deed18a

      SHA512

      0baf265384b689f2414b10e6628a5c84fae66728618954784944e176e202eff988a20f9e1fcb35b44f3df23c87dcbdddad9485d1d97975ff4f1515e8e547ac6b

      Download Submit
    • memory/2604-136-0x00000000006C3000-0x00000000006C9000-memory.dmp
      Filesize

      24KB

      Download
    • memory/2604-137-0x00000000006C3000-0x00000000006C9000-memory.dmp
      Filesize

      24KB

      Download
    • memory/2604-138-0x0000000000630000-0x0000000000639000-memory.dmp
      Filesize

      36KB

      Download
    • memory/2604-139-0x0000000000400000-0x00000000004D2000-memory.dmp
      Filesize

      840KB

      Download
    • memory/3416-130-0x0000000000749000-0x000000000074F000-memory.dmp
      Filesize

      24KB

      Download
    • memory/3416-131-0x0000000000749000-0x000000000074F000-memory.dmp
      Filesize

      24KB

      Download
    • memory/3416-132-0x00000000020D0000-0x00000000020D9000-memory.dmp
      Filesize

      36KB

      Download
    • memory/3416-133-0x0000000000400000-0x00000000004D2000-memory.dmp
      Filesize

      840KB

      Download