Overview

overview

10

Static

static

10

b842433943...in.exe

windows7_x64

10

b842433943...in.exe

windows10_x64

10

Analysis

  • max time kernel
    140s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-06-2021 12:05

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General

  • Target

    b842433943138b902e52840647f19bc0c5361504e78f7183e956ffe9063772c6.bin.exe

  • Size

    36KB

  • MD5

    b4ff9334082022b24f7272b2a752dee0

  • SHA1

    48805d9296173a8758587868ab5e8f3ea073759e

  • SHA256

    b842433943138b902e52840647f19bc0c5361504e78f7183e956ffe9063772c6

  • SHA512

    69242a365f9179ecdc8d096d2ec8055186c142b8b2576dad34899837fadc05c7bf6b805ded391552a36b8f85d4e06daf0eeea210e6bce2193a5b1f0cef7dc36e

Score
10/10
systembctrojan

Malware Config

Extracted

Family

systembc

C2

107.175.150.179:4001

Signatures

  • SystemBC

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

    trojansystembc
  • Executes dropped EXE 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b842433943138b902e52840647f19bc0c5361504e78f7183e956ffe9063772c6.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\b842433943138b902e52840647f19bc0c5361504e78f7183e956ffe9063772c6.bin.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:3892
  • C:\ProgramData\bsmdqk\ahwn.exe
    C:\ProgramData\bsmdqk\ahwn.exe start
    1⤵
    • Executes dropped EXE
    PID:196
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 196 -s 608
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:936
  • C:\ProgramData\bsmdqk\ahwn.exe
    C:\ProgramData\bsmdqk\ahwn.exe start
    1⤵
    • Executes dropped EXE
    PID:2668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 580
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1284

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\ProgramData\bsmdqk\ahwn.exe
    MD5

    b4ff9334082022b24f7272b2a752dee0

    SHA1

    48805d9296173a8758587868ab5e8f3ea073759e

    SHA256

    b842433943138b902e52840647f19bc0c5361504e78f7183e956ffe9063772c6

    SHA512

    69242a365f9179ecdc8d096d2ec8055186c142b8b2576dad34899837fadc05c7bf6b805ded391552a36b8f85d4e06daf0eeea210e6bce2193a5b1f0cef7dc36e

    Download Submit

  • C:\ProgramData\bsmdqk\ahwn.exe
    MD5

    b4ff9334082022b24f7272b2a752dee0

    SHA1

    48805d9296173a8758587868ab5e8f3ea073759e

    SHA256

    b842433943138b902e52840647f19bc0c5361504e78f7183e956ffe9063772c6

    SHA512

    69242a365f9179ecdc8d096d2ec8055186c142b8b2576dad34899837fadc05c7bf6b805ded391552a36b8f85d4e06daf0eeea210e6bce2193a5b1f0cef7dc36e

    Download Submit

  • C:\ProgramData\bsmdqk\ahwn.exe
    MD5

    b4ff9334082022b24f7272b2a752dee0

    SHA1

    48805d9296173a8758587868ab5e8f3ea073759e

    SHA256

    b842433943138b902e52840647f19bc0c5361504e78f7183e956ffe9063772c6

    SHA512

    69242a365f9179ecdc8d096d2ec8055186c142b8b2576dad34899837fadc05c7bf6b805ded391552a36b8f85d4e06daf0eeea210e6bce2193a5b1f0cef7dc36e

    Download Submit