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Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 02:27

General

  • Target

    B3RAP Leecher v0.5/B3RAP Leecher.exe

  • Size

    7.6MB

  • MD5

    daf410cc495219fe8ac9a02712ad3684

  • SHA1

    e8105b282d9c6f5ec146a138fa899675441419b8

  • SHA256

    51e36fe50f5cc439b8a275571b303fab85d4beb430abefb578a6ca5226c17601

  • SHA512

    1ea3f87e39cbbbf125602294fb9fd4b713bfb5b16ade2f503a4be84f6d8c123830edb626b02e6a7d1a344dd46134cb240c6c70fd7a5ab129e3d1b507a8ba8773

  • SSDEEP

    196608:CLwIMmXE6d1CPwDv3uFgsLsv13uFnCPwPnhwn59OIl/3igTlBCKgx:CpTXE6d1CPwDv3uF1Lsv13uFnCPwfhw8

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 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 2 IoCs

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

  • NSIS installer 2 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\B3RAP Leecher v0.5\B3RAP Leecher.exe
    "C:\Users\Admin\AppData\Local\Temp\B3RAP Leecher v0.5\B3RAP Leecher.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Users\Admin\AppData\Local\Temp\B3RAP Leecher v0.5\._cache_B3RAP Leecher.exe
      "C:\Users\Admin\AppData\Local\Temp\B3RAP Leecher v0.5\._cache_B3RAP Leecher.exe"
      2⤵
      • Executes dropped EXE
      PID:832
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Users\Admin\AppData\Local\Temp\B3RAP Leecher v0.5\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\B3RAP Leecher v0.5\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        PID:2912
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    7.6MB

    MD5

    daf410cc495219fe8ac9a02712ad3684

    SHA1

    e8105b282d9c6f5ec146a138fa899675441419b8

    SHA256

    51e36fe50f5cc439b8a275571b303fab85d4beb430abefb578a6ca5226c17601

    SHA512

    1ea3f87e39cbbbf125602294fb9fd4b713bfb5b16ade2f503a4be84f6d8c123830edb626b02e6a7d1a344dd46134cb240c6c70fd7a5ab129e3d1b507a8ba8773

  • C:\Users\Admin\AppData\Local\Temp\5F285E00

    Filesize

    25KB

    MD5

    1bfe871193b1501e2187fd3996250ca7

    SHA1

    fab3c269d0fb7947cd19c0da8b59b6bdb156b71a

    SHA256

    416dd47f399be2ecb50b19d819d1c171d48e1c114bf7e00a5177badbf058397e

    SHA512

    c1ce51b6ddd1e21d0ef86f9ef2f0f66c5587557a21fdeb96f99031d5796db818ce2eb038e97dee65361ae6167a69f6cbaf436977649aa414ce983908c21c2590

  • C:\Users\Admin\AppData\Local\Temp\B3RAP Leecher v0.5\._cache_B3RAP Leecher.exe

    Filesize

    6.9MB

    MD5

    3fc65e1223ff9644d654895c800f7731

    SHA1

    d59740ec285022203c5b4051a79b380cdb91f593

    SHA256

    faa86186f89ef29b9507a623a96d066011b8963b0ae6830dd421d1b8c689d90d

    SHA512

    83e9f5a52c85650d1f6e65f83d73b23ec495e2eaaf66013541c3a7e14b6b762d473e7e5fa87c16071610443e42c9718c0800afc0af2a75f9cef020896f99d6cb

  • C:\Users\Admin\AppData\Local\Temp\OtGtPqC5.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/832-65-0x00007FFC0AB03000-0x00007FFC0AB05000-memory.dmp

    Filesize

    8KB

  • memory/832-119-0x000002855E860000-0x000002855EF46000-memory.dmp

    Filesize

    6.9MB

  • memory/832-128-0x00007FFC0AB00000-0x00007FFC0B5C1000-memory.dmp

    Filesize

    10.8MB

  • memory/832-202-0x00007FFC0AB03000-0x00007FFC0AB05000-memory.dmp

    Filesize

    8KB

  • memory/832-204-0x00007FFC0AB00000-0x00007FFC0B5C1000-memory.dmp

    Filesize

    10.8MB

  • memory/2828-289-0x0000000000400000-0x0000000000BA3000-memory.dmp

    Filesize

    7.6MB

  • memory/2828-203-0x0000000000400000-0x0000000000BA3000-memory.dmp

    Filesize

    7.6MB

  • memory/2828-258-0x0000000000400000-0x0000000000BA3000-memory.dmp

    Filesize

    7.6MB

  • memory/2948-210-0x00007FFBE6570000-0x00007FFBE6580000-memory.dmp

    Filesize

    64KB

  • memory/2948-208-0x00007FFBE8ED0000-0x00007FFBE8EE0000-memory.dmp

    Filesize

    64KB

  • memory/2948-209-0x00007FFBE8ED0000-0x00007FFBE8EE0000-memory.dmp

    Filesize

    64KB

  • memory/2948-211-0x00007FFBE6570000-0x00007FFBE6580000-memory.dmp

    Filesize

    64KB

  • memory/2948-206-0x00007FFBE8ED0000-0x00007FFBE8EE0000-memory.dmp

    Filesize

    64KB

  • memory/2948-207-0x00007FFBE8ED0000-0x00007FFBE8EE0000-memory.dmp

    Filesize

    64KB

  • memory/2948-205-0x00007FFBE8ED0000-0x00007FFBE8EE0000-memory.dmp

    Filesize

    64KB

  • memory/3920-0-0x0000000002A40000-0x0000000002A41000-memory.dmp

    Filesize

    4KB

  • memory/3920-129-0x0000000000400000-0x0000000000BA3000-memory.dmp

    Filesize

    7.6MB