Analysis

  • max time kernel
    104s
  • 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
    02/04/2025, 03:04

General

  • Target

    2025-04-02_9dc7f129c6fc5d3fc7048496f899da93_amadey_black-basta_hijackloader_icedid_rhadamanthys_smoke-loader_xiaobaminer.exe

  • Size

    6.2MB

  • MD5

    9dc7f129c6fc5d3fc7048496f899da93

  • SHA1

    12953c51f5745f1f22f58930b8ebfcc72aa403fe

  • SHA256

    e11cd55d69383e4d0f5f0f2667c5c7e67ebd11f6055347d507b17c3a1cace848

  • SHA512

    dbc1dc7c1b0ede8e09106742365d7a41134c0e86e1507c7ec0cff9ba529fd4892368c7e81559a5a3efd88e769dbd0ec16b590c06fd8e92dde7147f2dc02c3379

  • SSDEEP

    49152:7iYgiAmOHYew6TKAQatzuvFS/KCGZd0qgNEf16lhulJLirHJIZ/K0tDAy49uO7G4:/AmgGWQtZ/K0tGOFWVRuLftCTt6Z6D

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 8 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\2025-04-02_9dc7f129c6fc5d3fc7048496f899da93_amadey_black-basta_hijackloader_icedid_rhadamanthys_smoke-loader_xiaobaminer.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-02_9dc7f129c6fc5d3fc7048496f899da93_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:744
    • 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:3456
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\360\360Safe\deepscan\ZhuDongFangYu.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1680
    • 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:4732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\7e20f84d5244aba7145631d4073af8\2010_x64.log.html

    Filesize

    86KB

    MD5

    99e27aa7485f953e7af7e8e212d4ee1e

    SHA1

    bad27371d250a260b3c325701a612ba90d5b2415

    SHA256

    5266a522e0176ff5f077bdc9c769b8853c2f4af995af71bf690f98582203993a

    SHA512

    a1550fdc8601f2bcc85a2280afacc29d721388f3cc1eb4b0157f95a5e9cc874f0968c2e19f9d077865b0ccfff93c58556b89e3926879d1327eb5424d1d5964c1

  • C:\Users\Admin\AppData\Local\Temp\scoped_dir4916_319883562\CRX_INSTALL\offscreendocument.html

    Filesize

    495B

    MD5

    17a98e40b9a7e4f37653ae32f090774b

    SHA1

    1964cf2fd13f441b50911ea9041f20e08fe09291

    SHA256

    77a027659b58b7879152909df5451c654a5d34bf144fc19738ff12ce164750de

    SHA512

    d2ee7a769098328dffd741f646d8c6a29aab816960a00a83f0073306f7c7290e0ce6b8abafcb46d909b96e8763d8fb695750e7f4e4d79154b60422ae56a256c4

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

    Filesize

    6.2MB

    MD5

    9dc7f129c6fc5d3fc7048496f899da93

    SHA1

    12953c51f5745f1f22f58930b8ebfcc72aa403fe

    SHA256

    e11cd55d69383e4d0f5f0f2667c5c7e67ebd11f6055347d507b17c3a1cace848

    SHA512

    dbc1dc7c1b0ede8e09106742365d7a41134c0e86e1507c7ec0cff9ba529fd4892368c7e81559a5a3efd88e769dbd0ec16b590c06fd8e92dde7147f2dc02c3379

  • memory/744-0-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/744-1-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/744-13-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3456-352-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3456-558-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/4732-30-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/4732-33-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB