Analysis

  • max time kernel
    133s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/05/2024, 17:49

General

  • Target
    2024-05-27_1f19414452781d54232a0c49f879a982_icedid_xiaobaminer.exe
  • Size 4.8MB
  • Sample240527-webvkadb68
  • SHA256 9b34f377fbfa829d7f00885f4498b1af84c5572e8f78b470bc6346a649e480e9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 6 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Adds policy Run key to start application 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 6 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-27_1f19414452781d54232a0c49f879a982_icedid_xiaobaminer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_1f19414452781d54232a0c49f879a982_icedid_xiaobaminer.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3440
    • C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe
      "C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe"
      2⤵
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:4584

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ZhuDongFangYu.exe

        • Path C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe
        • Size 4.8MB
        • SHA256 9b34f377fbfa829d7f00885f4498b1af84c5572e8f78b470bc6346a649e480e9
        • MD5 SHA1 SHA512 SSDEEP

        vcredist2010_x86.log.html

        • Path C:\vcredist2010_x86.log.html
        • Size 81KB
        • SHA256 43671228e99462fe83586c563c2ece57c668cac13167694822ab36cf363e9bae
        • MD5 SHA1 SHA512 SSDEEP

        memory/3440-0-0x0000000000400000-0x0000000000455000-memory.dmp

        memory/3440-1-0x0000000000400000-0x0000000000455000-memory.dmp

        memory/3440-13-0x0000000000400000-0x0000000000455000-memory.dmp

        memory/4584-15-0x0000000000400000-0x0000000000455000-memory.dmp

        memory/4584-362-0x0000000000400000-0x0000000000455000-memory.dmp