Analysis

  • max time kernel
    95s
  • max time network
    142s
  • 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 04:44

General

  • Target

    05dcf10fca338b6872a52afb4935928fcc2575610f7e1f65ed3eb76b911e74c9.exe

  • Size

    10.2MB

  • MD5

    b79e05b90f69462bedd16ee5316f1efe

  • SHA1

    724b5ef7823ad25d0a8fbb41fde972571fdc268a

  • SHA256

    05dcf10fca338b6872a52afb4935928fcc2575610f7e1f65ed3eb76b911e74c9

  • SHA512

    f54606c7a54afff00bf32824411cb5ae39ebd83d1498127d3601b8b333ee9bb6970e08c40e6d743caee1775ee866d4226ef7191829dfdc6c54309e8dffd0e47a

  • SSDEEP

    98304:qvk38YyRM1xg3DEP1Y+OsUoD6NTxT5u3qLGhnjDKscdft6hrsP+76L49v2cLObHO:P8YyO1xg3a7VD6Nfkcdft6psPRL49/

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 1 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05dcf10fca338b6872a52afb4935928fcc2575610f7e1f65ed3eb76b911e74c9.exe
    "C:\Users\Admin\AppData\Local\Temp\05dcf10fca338b6872a52afb4935928fcc2575610f7e1f65ed3eb76b911e74c9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Users\Admin\AppData\Local\Temp\05dcf10fca338b6872a52afb4935928fcc2575610f7e1f65ed3eb76b911e74c9.exe
      C:\Users\Admin\AppData\Local\Temp\05dcf10fca338b6872a52afb4935928fcc2575610f7e1f65ed3eb76b911e74c9.exe 400339035F03560370036603710370035F03420367036E036A036D035F0342037303730347036203770362035F0351036C0362036E036A036D0364035F0374036A036D036C03670370035F033B0334036F035303360349035503700360035C036D034B0354034703550359035F03690345037A0337034B0359033403--aa`
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Users\Admin\AppData\Roaming\winods\87lP5JVsc_nHWDVZ\jFy4HZ7.exe
        "C:\Users\Admin\AppData\Roaming\winods\87lP5JVsc_nHWDVZ\jFy4HZ7.exe"
        3⤵
        • Adds policy Run key to start application
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\winods\87lP5JVsc_nHWDVZ\D3D11InstallHelper.dll

    Filesize

    2.1MB

    MD5

    8740ce1d9b7a8236c7145eb291fb7b06

    SHA1

    4d31f310f7d3c24aca4512633560ab58c34fb68b

    SHA256

    a70c87b85e268dfb6c316124f7cb95a782d9a6f891a02de63b040c8ad28e3ecc

    SHA512

    fcbec598448c135c2caef92671cde51df486830df00cad60c9c8907d321a6b65b74acdf80e7914a4148b17c1ed4d44940b2f56e4de1f27ffc3276a336a526470

  • C:\Users\Admin\AppData\Roaming\winods\87lP5JVsc_nHWDVZ\jFy4HZ7.exe

    Filesize

    198KB

    MD5

    1f9d473236876e3304f82b145db5a7f1

    SHA1

    d47a2f46a1997b789aa5e78683432a1b2e883353

    SHA256

    6f9ba12ec828d1f64776e598345c9e0217de410a23e29be909721397764d5bbe

    SHA512

    72bfa351818fa6cabd99b666bcf3a3a5ec1705b6c4cb9a80f64d37aee6694dadd08b1d28f40280436bfd1db42a5ffeeeec8834dd6d976ed320e9cdef88f36a10

  • C:\Users\Admin\AppData\Roaming\winods\87lP5JVsc_nHWDVZ\jFy4HZ7.txt

    Filesize

    369B

    MD5

    6e7c0de57fb453aef654e025c24d34bc

    SHA1

    5d0549a5ab1ab4ade57f3c6f024b786f68935a2c

    SHA256

    5d7e6771522f5b9c3a8aa7a425425dfe2e437924daca9ffaeff932fce1742b67

    SHA512

    fac734304d61edeb3f4dbb09c34c034e1532f7d24b18d265026bbb71ce675e80ebebbcb22df6ba6bd688fac64ca00f02b21baa5c9aba917d7aaac2944b56de7d

  • memory/1648-17-0x0000000000D00000-0x0000000000D01000-memory.dmp

    Filesize

    4KB

  • memory/1648-26-0x0000000003D60000-0x0000000003E4B000-memory.dmp

    Filesize

    940KB

  • memory/1648-18-0x00000000025E0000-0x00000000026C7000-memory.dmp

    Filesize

    924KB

  • memory/1648-19-0x00000000025E0000-0x00000000026C7000-memory.dmp

    Filesize

    924KB

  • memory/1648-21-0x00000000025E0000-0x00000000026C7000-memory.dmp

    Filesize

    924KB

  • memory/1648-15-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

    Filesize

    4KB

  • memory/1648-22-0x0000000003710000-0x0000000003921000-memory.dmp

    Filesize

    2.1MB

  • memory/1648-16-0x0000000000710000-0x0000000000711000-memory.dmp

    Filesize

    4KB

  • memory/1648-28-0x0000000004400000-0x0000000004575000-memory.dmp

    Filesize

    1.5MB

  • memory/1648-30-0x0000000003970000-0x0000000003971000-memory.dmp

    Filesize

    4KB

  • memory/1648-31-0x0000000003710000-0x0000000003921000-memory.dmp

    Filesize

    2.1MB

  • memory/1648-32-0x00000000042B0000-0x0000000004302000-memory.dmp

    Filesize

    328KB

  • memory/1648-33-0x00000000025E0000-0x00000000026C7000-memory.dmp

    Filesize

    924KB

  • memory/1648-34-0x0000000003710000-0x0000000003921000-memory.dmp

    Filesize

    2.1MB