Analysis

  • max time kernel
    151s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    13-07-2020 15:51

General

  • Target

    JOJ.exe

  • Size

    1.1MB

  • MD5

    66565199e6989f47ba9f652e0789ff23

  • SHA1

    85bf8bc9a87deed4257b49351463ae8f2858651b

  • SHA256

    030b56f2c3d4f312d274d0d8d6176e609967ec6a280c7e3356e380fc1d4cbe51

  • SHA512

    d7569f47817b78ee8ff05824c3193f940332bcccab88250e9c03fb727c40c2b3290002c8b139fe7d2ffa4d859f0f0586af207e9fbda6c6a989eef4b9b488ff91

Malware Config

Signatures

  • NTFS ADS 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Executes dropped EXE 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of WriteProcessMemory 18 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Drops startup file 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1358 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

Processes

  • C:\Users\Admin\AppData\Local\Temp\JOJ.exe
    "C:\Users\Admin\AppData\Local\Temp\JOJ.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    PID:1312
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      • Drops startup file
      • Loads dropped DLL
      PID:1420
      • C:\Users\Admin\AppData\Roaming\appdata\hshbbb.exe
        "C:\Users\Admin\AppData\Roaming\appdata\hshbbb.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetThreadContext
        PID:1444
        • C:\Users\Admin\AppData\Roaming\appdata\hshbbb.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hshbbb.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of AdjustPrivilegeToken
          PID:1060
        • C:\Users\Admin\AppData\Roaming\appdata\hshbbb.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hshbbb.exe" 2 1060 118155
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1612

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1060-7-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/1060-15-0x00000000002E2000-0x00000000002E3000-memory.dmp

    Filesize

    4KB

  • memory/1060-10-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/1060-16-0x0000000000220000-0x00000000002B3000-memory.dmp

    Filesize

    588KB

  • memory/1060-13-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/1060-14-0x0000000001E90000-0x0000000001F2A000-memory.dmp

    Filesize

    616KB

  • memory/1420-1-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB