Resubmissions

25-12-2024 09:53

241225-lwl2rasjfk 10

Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 09:53

General

  • Target

    2024-12-25_93164da8a63e0ad1a900721e5f9862d6_icedid_xiaobaminer.exe

  • Size

    4.0MB

  • MD5

    93164da8a63e0ad1a900721e5f9862d6

  • SHA1

    abdaef2d39b539a8b3d85faa4bd80e9cf863f40a

  • SHA256

    0d41eec2244f820789ea7a949bfc25563c00887fe05e303e4841cecd1eec9aec

  • SHA512

    1acbd80ebc6fc32e4a49098318ea5e7d92f286cf11f4ae07ee71e7fad1895cbf55c56f3ae7867ede2e3578881b019c41a1d10803bc005f1f040d61f7b6c7ca17

  • SSDEEP

    49152:9bYwIkppisrPa0PsK+JLdIunIuycK+JLZAlmm6TKz+V67D8+V67D52+Cq99LyUn:yciKsK+JLdIu9K+JLmlFaZaEJ

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 2 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\2024-12-25_93164da8a63e0ad1a900721e5f9862d6_icedid_xiaobaminer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-25_93164da8a63e0ad1a900721e5f9862d6_icedid_xiaobaminer.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1100
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:1888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    4.0MB

    MD5

    93164da8a63e0ad1a900721e5f9862d6

    SHA1

    abdaef2d39b539a8b3d85faa4bd80e9cf863f40a

    SHA256

    0d41eec2244f820789ea7a949bfc25563c00887fe05e303e4841cecd1eec9aec

    SHA512

    1acbd80ebc6fc32e4a49098318ea5e7d92f286cf11f4ae07ee71e7fad1895cbf55c56f3ae7867ede2e3578881b019c41a1d10803bc005f1f040d61f7b6c7ca17

  • C:\vcredist2010_x86.log.html

    Filesize

    81KB

    MD5

    a8ac0e88e9e2f958960adba66330031d

    SHA1

    6a142a5b8591980f440963ce001d0ec5afe55f43

    SHA256

    4f39c49660807011ffc9a0db9cd37367ff782c3d94c840a66ed6e45e4865ee75

    SHA512

    181d5a26fa1e36b9be69e7eccafc16a14a3aa1344acc54b13609cb1632ba4187c88a7f71f53cb541436395f98312d7656f168e4a6d909859ac342fd4bbc2ff04

  • memory/1100-0-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB