Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2023, 19:40

General

  • Target

    83735366d75acae02aba81c8082e5750_exe32.exe

  • Size

    1.3MB

  • MD5

    83735366d75acae02aba81c8082e5750

  • SHA1

    2f7e53db37e9efb0df8650e7b959f752ac8a64b1

  • SHA256

    258c09ef34c403f39726fc72fd1a4607fc96bc6b2ed96105f57d5bf9bf52f79a

  • SHA512

    7e0f8795d4e8f7daeb70aabf7650836c9836583be31c3b544cf7dc2379036786a5906c201de9be15d445ccdbeb96b9027e5bbfabd448a12c6941f509cb6adfef

  • SSDEEP

    24576:VrPBSazuxoRDviKR2MnHQ0KQO9qql2GPlwyRHilV0kSDGd9k+KmVfp/2qsuq:f3YoRDvisyqqoGO0GbIgpeqsb

Malware Config

Signatures

  • 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 9 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 16 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83735366d75acae02aba81c8082e5750_exe32.exe
    "C:\Users\Admin\AppData\Local\Temp\83735366d75acae02aba81c8082e5750_exe32.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:4008
    • C:\Users\Admin\AppData\Local\Temp\83735366d75acae02aba81c8082e5750_exe32.exe
      "C:\Users\Admin\AppData\Local\Temp\83735366d75acae02aba81c8082e5750_exe32.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4264
      • C:\Users\Admin\AppData\Local\Temp\83735366d75acae02aba81c8082e5750_exe32.exe
        "C:\Users\Admin\AppData\Local\Temp\83735366d75acae02aba81c8082e5750_exe32.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2336
    • C:\Users\Admin\AppData\Local\Temp\83735366d75acae02aba81c8082e5750_exe32.exe
      "C:\Users\Admin\AppData\Local\Temp\83735366d75acae02aba81c8082e5750_exe32.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\kicking animal lesbian ejaculation (Anniston,Sonja).rar.exe

    Filesize

    1.3MB

    MD5

    b375e8806cfb533086846fedd95d4043

    SHA1

    635c14088f83986b8d015ad15c810cd10c53bacf

    SHA256

    6bf96638f8df15455b19d0f16c4b42993445e52feee9c6de37576e2a7a83a79f

    SHA512

    f7096dd0de1f433322b37ea33af4b69314bfda3fdfadfb80a89cd470604f4fc36500965a88f7cff87e07ca2b5f062c69c7551acbb9c54bc0eed709bba6d424cc

  • memory/2336-26-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2336-167-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4008-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4008-101-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4264-11-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4264-150-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4720-18-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4720-164-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB