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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/04/2024, 21:36

General

  • Target

    60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe

  • Size

    246KB

  • MD5

    9f97b66838cf130014fbab6d82b09fb9

  • SHA1

    f38c7640517075b52020f687b1a98744f8eff8d5

  • SHA256

    60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120

  • SHA512

    e0a637881bf2b8be4addbe8c3813307bfc2ff8a2e363af13b9caf26373dde244b23b40795e71bafd229c3d05445155101b0b3fc18739a034431aded064bf07aa

  • SSDEEP

    6144:/MAoVN/4JGzLKoHtm+PATGO792D+IKd7jw3HVkAkswuJc8:0Ai4AzLKoNRPvE9+M4Hj/JN

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe
    "C:\Users\Admin\AppData\Local\Temp\60c8201bb2c454f9217120dd8b764dfcb94622a7c1d1895a9ac39eb6f25f0120.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Users\Admin\AppData\Local\Temp\FLBTIcW0DG7jrUC.exe
      C:\Users\Admin\AppData\Local\Temp\FLBTIcW0DG7jrUC.exe
      2⤵
      • Executes dropped EXE
      PID:2348
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:4796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

    Filesize

    348KB

    MD5

    6a12d3c4fa09bf7be584418d7940adfb

    SHA1

    f07f7f2872898a4b29ebd22e383af0995c6f6b8d

    SHA256

    21e77de868f6db5b87fd4c09a5ea85dfb58a23a6fd214e69b7ce2324059fec91

    SHA512

    9cda466e74fb75b0fc27bbac32e7b70c805eddbc1204419e0e73361708952943e0e3ca06608575d67fad602461b62d4625fe89945b2e13842bff8e8c1961180b

  • C:\Users\Admin\AppData\Local\Temp\FLBTIcW0DG7jrUC.exe

    Filesize

    219KB

    MD5

    e2312f199976d03a7cf41e453c5af246

    SHA1

    c723bf05f7132c9b66c4f91d6cc363d08b4ed622

    SHA256

    84fe7824717bb55d7f32c7487e37012a1bc6cd4c8c0202be4bfb07e770f8dc51

    SHA512

    a5cad97d8bcf893b79eed436ae8df232d7e53df86a0ed38b381c128c5d8c76c0caad41407ed564f2ea2725236eb98ea6d29413886ea22371920bf2b498b49686

  • C:\Windows\CTS.exe

    Filesize

    27KB

    MD5

    a6749b968461644db5cc0ecceffb224a

    SHA1

    2795aa37b8586986a34437081351cdd791749a90

    SHA256

    720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

    SHA512

    2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

  • memory/4796-9-0x0000000000660000-0x0000000000678000-memory.dmp

    Filesize

    96KB

  • memory/4880-0-0x0000000000580000-0x0000000000598000-memory.dmp

    Filesize

    96KB

  • memory/4880-10-0x0000000000580000-0x0000000000598000-memory.dmp

    Filesize

    96KB