Analysis

  • max time kernel
    139s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/04/2023, 00:26

General

  • Target
    qZGYOyA5rG.exe
  • Size 130KB
  • Sample230402-arlpmsdf57
  • SHA256 bdf296434f9ad3d332b00073d74a884ca78b7a6a535f1e1b63f510d9e77dc3c1
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • SystemBC

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookAW 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\qZGYOyA5rG.exe
    "C:\Users\Admin\AppData\Local\Temp\qZGYOyA5rG.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookAW
    PID:2176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 952
      2⤵
      • Program crash
      PID:4020
  • C:\ProgramData\coejiij\tjpxgd.exe
    C:\ProgramData\coejiij\tjpxgd.exe start2
    1⤵
    • Executes dropped EXE
    PID:3252
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 468
      2⤵
      • Program crash
      PID:1700
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2176 -ip 2176
    1⤵
      PID:920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3252 -ip 3252
      1⤵
        PID:3200

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            tjpxgd.exe

            • Path C:\ProgramData\coejiij\tjpxgd.exe
            • Size 130KB
            • SHA256 bdf296434f9ad3d332b00073d74a884ca78b7a6a535f1e1b63f510d9e77dc3c1
            • MD5 SHA1 SHA512 SSDEEP

            tjpxgd.exe

            • Path C:\ProgramData\coejiij\tjpxgd.exe
            • Size 130KB
            • SHA256 bdf296434f9ad3d332b00073d74a884ca78b7a6a535f1e1b63f510d9e77dc3c1
            • MD5 SHA1 SHA512 SSDEEP

            memory/2176-134-0x0000000000400000-0x0000000000425000-memory.dmp

            memory/3252-144-0x0000000000400000-0x0000000000425000-memory.dmp