Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 23:44

General

  • Target

    9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe

  • Size

    410KB

  • MD5

    4df99a59ce47b5960f7a4d96b8b2b06c

  • SHA1

    4cf0e13992df079b0f0e1413198da16d28ab7a4c

  • SHA256

    9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c

  • SHA512

    6ce8c62fa6e997c2f52ff440967e4e4dfe3376f7d26f87021c1637ddbb0dfe07686c5d815cd3ffa75c9733567f1b73c3b5b225c986c9310b98f2c7dafd34fbf0

  • SSDEEP

    12288:JXCNi9BVuvs55ZPyrt7xfTf732tIHZNbrfk:sWVuvsJqrt7xrfb2tIHZNU

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 1 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.

  • 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).

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe
    "C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.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:2008
    • C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe
      "C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe
        "C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3652
    • C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe
      "C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 1192
      2⤵
      • Program crash
      PID:2364
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2008 -ip 2008
    1⤵
      PID:4632

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\blowjob [milf] (Karin).avi.exe

      Filesize

      1.2MB

      MD5

      d718057c0b53f398b56fe0c7aa81e365

      SHA1

      c3a5ef31f69f91ccd700779d781e9a5177570a50

      SHA256

      5d1ce9ae0b2727ce91008d24a98ad3e2642998f316e24792cda52767ac21b989

      SHA512

      c7e68d2ec8d345faedd85c40f3e4d97dc5ff75d77d23fbdd6c56553a707bbd04b68ded5f2ed7d9ee4ff4679fadbee6424bfa63d0deb2b3f5f6ba2285dacaf0a6