Analysis

  • max time kernel
    92s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/04/2025, 22:58

General

  • Target

    2025-04-01_4d1c4a0240dfa1304baccbf209887845_amadey_black-basta_hijackloader_icedid_rhadamanthys_smoke-loader_xiaobaminer.exe

  • Size

    6.3MB

  • MD5

    4d1c4a0240dfa1304baccbf209887845

  • SHA1

    88d1c0515a8d861fc181c797fa656c63c5f110fa

  • SHA256

    999ff46b09934f530226384d51a7f39d96f0a57902d568b2e99fe3b02c98fa53

  • SHA512

    53b6944b0a293efe358bd5423eefcfccba89b43592ae3ee1b5354381e44eb25c023a40096b6ca7ea107211024fed159c7e08b45eebe8c3196bf22a5968827c23

  • SSDEEP

    49152:7iYgiAmOHYew6TKAQatzuvFS/KCGZd0qgNEf16lhulJLirHJIZ/K0tDAy49uO7G8:/AmgGWQtZ/K0tGOFWVRuLftCTt6Z6j

Malware Config

Signatures

  • Blackmoon family
  • 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 2 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 3 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 5 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-01_4d1c4a0240dfa1304baccbf209887845_amadey_black-basta_hijackloader_icedid_rhadamanthys_smoke-loader_xiaobaminer.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-01_4d1c4a0240dfa1304baccbf209887845_amadey_black-basta_hijackloader_icedid_rhadamanthys_smoke-loader_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:1776
    • 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:3948
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3260
    • C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe
      C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    6.3MB

    MD5

    4d1c4a0240dfa1304baccbf209887845

    SHA1

    88d1c0515a8d861fc181c797fa656c63c5f110fa

    SHA256

    999ff46b09934f530226384d51a7f39d96f0a57902d568b2e99fe3b02c98fa53

    SHA512

    53b6944b0a293efe358bd5423eefcfccba89b43592ae3ee1b5354381e44eb25c023a40096b6ca7ea107211024fed159c7e08b45eebe8c3196bf22a5968827c23

  • C:\d9c22b4eaa3c0b9c12c7\2010_x64.log.html

    Filesize

    85KB

    MD5

    18c559c062056952cc54e001ac5f733b

    SHA1

    efbe64c21b5a773c08a0cd2df746211da5fdebe8

    SHA256

    d71f2a2e4946ebf6cbdaaaced59922b99dd6b6ccb01e61648e1b28130cc7ad35

    SHA512

    199b73933b0c2bc08fb725d888e29f8e492663816c3a44ae981a6f54842d00d94f842fe324666b1fe161c052f586ed1a9320725f5fae23ae1249ee6b5830da5e

  • memory/1776-0-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/1776-1-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/1776-13-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3948-349-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3948-551-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/4640-35-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB