Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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
  • 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 10 IoCs
  • Drops file in Program Files directory 15 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe
    "C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe"
    1⤵
    • 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:2552
    • C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe
      "C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe
        "C:\Users\Admin\AppData\Local\Temp\9a40c875ce86b71433b8f0db8b80447cd4077513a17f936d2d2290cd3bdf068c.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2672
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 600
      2⤵
      • Program crash
      PID:1568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\chinese horse gang bang girls (Melissa,Jenna).avi.exe

    Filesize

    1.5MB

    MD5

    70744fe97e63c94d8a75a27fdcb1456b

    SHA1

    ec274d9a2707e1bcdf7f8cb978fd8946c3bd890a

    SHA256

    591b08af06e66b38f393a89ce2de1484a95ad3cd8c32ed73a62808fea4c4b2f4

    SHA512

    70c3e96872e381e3b1802637e542b502f1b59a25b0492fdf860835cfa70398c2cb7ea4c4f8eea8e621f79ef888638d424908858f90345c797564e8fe99bd7165