Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/05/2024, 01:06

General

  • Target

    2024-05-18_4cc405fa0ccf0a6a9f39ab346b9cb2eb_icedid_xiaobaminer.exe

  • Size

    1.7MB

  • MD5

    4cc405fa0ccf0a6a9f39ab346b9cb2eb

  • SHA1

    6fd3cc7b5ed824549b2a413f148b90205c032bec

  • SHA256

    cfb74d0076ebfc3f5f08fed10f768b88a9a85f849d67efda4d7bedc8cb046c5c

  • SHA512

    3853891cbf400aa227e893e1a01024217badbc08bae30eec6e3d85411d2ba5c31e83ad278ebecc8c180e62e10b9121cff25dea16f8db88ffaff11551d7085710

  • SSDEEP

    24576:7iBygZsKLNm3HkxltQV8/w6TZwxCQ3kt9jbHCaStjl+5hVKgOF5jcAkSYqyE:7iYgiAmOHYew6TKAQatbiaSP7gOLpYq

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 7 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\2024-05-18_4cc405fa0ccf0a6a9f39ab346b9cb2eb_icedid_xiaobaminer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-18_4cc405fa0ccf0a6a9f39ab346b9cb2eb_icedid_xiaobaminer.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:668
    • 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:1948

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe

          Filesize

          1.7MB

          MD5

          4cc405fa0ccf0a6a9f39ab346b9cb2eb

          SHA1

          6fd3cc7b5ed824549b2a413f148b90205c032bec

          SHA256

          cfb74d0076ebfc3f5f08fed10f768b88a9a85f849d67efda4d7bedc8cb046c5c

          SHA512

          3853891cbf400aa227e893e1a01024217badbc08bae30eec6e3d85411d2ba5c31e83ad278ebecc8c180e62e10b9121cff25dea16f8db88ffaff11551d7085710

        • C:\vcredist2010_x86.log.html

          Filesize

          82KB

          MD5

          e8b64a1c1156c2fc0f89b245b1806c4c

          SHA1

          523a4c5ee3221b4220ac28f3bed9717d6631bcf5

          SHA256

          e36e4838ae5badde44a77dd9ecfae860ea8ad48e1ff0bf07d87edb5e0f93fe54

          SHA512

          4c2cb18f9036809b41a64223033748a22622c884c004617e2f4f671c888253cbe8fd11c7f435941e7cacffba699b51e0563a86d7a9f0b2102b239bf3c02b3208

        • memory/668-1-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/668-0-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/668-12-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/1948-15-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/1948-356-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB

        • memory/1948-491-0x0000000000400000-0x0000000000457000-memory.dmp

          Filesize

          348KB