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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 21:43

General

  • Target

    63a4413f3e79eb4f1ccc4a091745e35876f4446ce6543f3940332f71720d7502.exe

  • Size

    327KB

  • MD5

    69f1955a5e05290d9d92de90d4b72dbb

  • SHA1

    5f0e495d5ca0aa78f759409fd5a38fc2ec6fbe2e

  • SHA256

    63a4413f3e79eb4f1ccc4a091745e35876f4446ce6543f3940332f71720d7502

  • SHA512

    3794cf42f72b856d142476d57b4528669e332973e4e1847fa5e70db1fb2cf5889c3b076b6a108c24501e147ebb3e3222d301217c9d91fd0fc80fc83cb39b6440

  • SSDEEP

    6144:6jluQoSFIo5R4nM/40yJjLG256oi8+MESwFzxWbG0LLVt+gXaZjxoPsF1G5jOtG7:6EQoSvqhOkUMEPlx+1yjxMX4nGB

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 IoCs
  • UPX dump on OEP (original entry point) 7 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63a4413f3e79eb4f1ccc4a091745e35876f4446ce6543f3940332f71720d7502.exe
    "C:\Users\Admin\AppData\Local\Temp\63a4413f3e79eb4f1ccc4a091745e35876f4446ce6543f3940332f71720d7502.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Users\Admin\AppData\Local\Temp\63a4413f3e79eb4f1ccc4a091745e35876f4446ce6543f3940332f71720d7502.exe
      "C:\Users\Admin\AppData\Local\Temp\63a4413f3e79eb4f1ccc4a091745e35876f4446ce6543f3940332f71720d7502.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1040
      • C:\Users\Admin\AppData\Local\Temp\63a4413f3e79eb4f1ccc4a091745e35876f4446ce6543f3940332f71720d7502.exe
        "C:\Users\Admin\AppData\Local\Temp\63a4413f3e79eb4f1ccc4a091745e35876f4446ce6543f3940332f71720d7502.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\russian gang bang horse lesbian feet circumcision (Curtney).zip.exe

    Filesize

    430KB

    MD5

    6cc9e971ae9bebf2213a876ce1bb060f

    SHA1

    012e88629e1c378ba5dd7f6c895584e2463b6bf2

    SHA256

    e3efc80a3568675b5d7d7c5c8fe130d3aa5edd129cf5b6b32da171875432c370

    SHA512

    f8e8400734883979cbcf5ec3aba3165f8feeae22c7656e19751a252b28cc89120d1bd36670b9dcb16eb570cc43825a0ff7379e19c5cd9441b8cdcaea22524940

  • memory/1040-44-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1040-194-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/4628-0-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/4628-193-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/4860-160-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/4860-196-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB