Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    13/06/2024, 04:45

General

  • Target
    38ec1b1c236a803bb37633f4fcfc89dfff13af68de2cc0a1a741312cb13fd538.exe
  • Size 12.9MB
  • Sample240613-fdpr2avcmb
  • SHA256 38ec1b1c236a803bb37633f4fcfc89dfff13af68de2cc0a1a741312cb13fd538
  • 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 13 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38ec1b1c236a803bb37633f4fcfc89dfff13af68de2cc0a1a741312cb13fd538.exe
    "C:\Users\Admin\AppData\Local\Temp\38ec1b1c236a803bb37633f4fcfc89dfff13af68de2cc0a1a741312cb13fd538.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies Internet Explorer settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\¾ø¾³Ö®³Ç΢¶Ë\3623338ec1b1c236a803bb37633f4fcfc89dfff13af68de2cc0a1a741312cb13fd538.exe
      C:\¾ø¾³Ö®³Ç΢¶Ë\3623338ec1b1c236a803bb37633f4fcfc89dfff13af68de2cc0a1a741312cb13fd538.exe
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2988

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        httpErrorPagesScripts[1]

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\1M46YZP1\httpErrorPagesScripts[1]
        • Size 8KB
        • SHA256 46e019fa34465f4ed096a9665d1827b54553931ad82e98be01edb1ddbc94d3ad
        • MD5 SHA1 SHA512 SSDEEP

        errorPageStrings[1]

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\FY3LN490\errorPageStrings[1]
        • Size 2KB
        • SHA256 9466d620dc57835a2475f8f71e304f54aee7160e134ba160baae0f19e5e71e66
        • MD5 SHA1 SHA512

        2bd79ed3173fa03867a66b118e816d61.txt

        • Path C:\Users\Admin\AppData\Local\Temp\2bd79ed3173fa03867a66b118e816d61.txt
        • Size 16B
        • SHA256 7f1d0adb711ca709acf0060a4e4b50d4c277a67850c2c58b61060b1bab1d8207
        • MD5 SHA1 SHA512

        3623338ec1b1c236a803bb37633f4fcfc89dfff13af68de2cc0a1a741312cb13fd538.exe

        • Path \¾ø¾³Ö®³Ç΢¶Ë\3623338ec1b1c236a803bb37633f4fcfc89dfff13af68de2cc0a1a741312cb13fd538.exe
        • Size 12.9MB
        • SHA256 38ec1b1c236a803bb37633f4fcfc89dfff13af68de2cc0a1a741312cb13fd538
        • MD5 SHA1 SHA512 SSDEEP

        memory/2644-45-0x000000000C330000-0x000000000C857000-memory.dmp

        memory/2644-3-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2644-9-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2644-11-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2644-10-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2644-7-0x000000000091F000-0x0000000000920000-memory.dmp

        memory/2644-0-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2644-2-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2644-8-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2644-1-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2644-44-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2988-49-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2988-47-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2988-48-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2988-46-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2988-75-0x0000000000400000-0x0000000000927000-memory.dmp

        memory/2988-76-0x0000000000400000-0x0000000000927000-memory.dmp