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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07/03/2024, 23:27

General

  • Target

    b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe

  • Size

    163KB

  • MD5

    b90826c2cfe9e85aec894e649f6b42ea

  • SHA1

    d142b6eaa7cc38946421328ea4bec836e2a5ae11

  • SHA256

    b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391

  • SHA512

    9d867447ba1a3270af595fbae87721d8d9084bfe15224d70831e07a214505fedf64c42998197908439e0da4a21f0f994763cb3fc0f183bb4b5d04e24edb8dbbc

  • SSDEEP

    3072:0ljbLl/gvQoutHQLJ53NEi6as0aouH8WGuava:SjluQoSHQx6asF8WGuaC

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 IoCs
  • UPX dump on OEP (original entry point) 8 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 8 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 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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe
    "C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.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:2096
    • C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe
      "C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe
        "C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\japanese beastiality trambling [bangbus] (Jade).avi.exe

    Filesize

    1.7MB

    MD5

    0adcda4344e15beff816c5ab36f30148

    SHA1

    ee92fe4b085d657b346bae6d4225e943920da3ff

    SHA256

    71e3c5d17f2d774f7a1c9275111c1503e1317ef89e3bae5af8e20dfeecfe26e8

    SHA512

    5001c2afdde52ad88c9ec3d01e835aae988073460c25fce49e4948b57111213b710702d1ccbf97c1101b9b8929c8a57efbaf8a9f1eb6a4fe4d88128a432f97e4

  • C:\debug.txt

    Filesize

    183B

    MD5

    cdb6bae9902af2535124719c0e2e6565

    SHA1

    9a475d1e6611e33a34a72221e8e1780a3303d242

    SHA256

    0e7cf879a08149d71a09c5ab4f1cd4f9b88f5f3c31ac26b91848bc00275de6c5

    SHA512

    eedaa8bc98f34b6097906b53fe9eec6a16036c8b5b0b85d1ea9a6773c57b4d59c9df019276f325a60cde091d94264dedd6f3d3f5626e0efd504a8fcce06ec104

  • memory/2096-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2096-16-0x0000000004B80000-0x0000000004B9F000-memory.dmp

    Filesize

    124KB

  • memory/2096-94-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2096-95-0x0000000004B80000-0x0000000004B9F000-memory.dmp

    Filesize

    124KB

  • memory/2428-62-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2428-101-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-17-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2504-61-0x0000000004800000-0x000000000481F000-memory.dmp

    Filesize

    124KB

  • memory/2504-98-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB