Overview

overview

10

Static

static

10

3a64b7c05b...81.exe

windows7-x64

9

3a64b7c05b...81.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07/04/2024, 20:10

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General

  • Target
    3a64b7c05b88fa97cbd47c51ce1d2aab0449711449d064ce9734b45aa76a0381.exe
  • Size 408KB
  • Sample240407-yxzepadc4y
  • SHA256 3a64b7c05b88fa97cbd47c51ce1d2aab0449711449d064ce9734b45aa76a0381
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 IoCs
  • UPX dump on OEP (original entry point) 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • UPX packed file 7 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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\3a64b7c05b88fa97cbd47c51ce1d2aab0449711449d064ce9734b45aa76a0381.exe
    "C:\Users\Admin\AppData\Local\Temp\3a64b7c05b88fa97cbd47c51ce1d2aab0449711449d064ce9734b45aa76a0381.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:2820
    • C:\Users\Admin\AppData\Local\Temp\3a64b7c05b88fa97cbd47c51ce1d2aab0449711449d064ce9734b45aa76a0381.exe
      "C:\Users\Admin\AppData\Local\Temp\3a64b7c05b88fa97cbd47c51ce1d2aab0449711449d064ce9734b45aa76a0381.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1612
      • C:\Users\Admin\AppData\Local\Temp\3a64b7c05b88fa97cbd47c51ce1d2aab0449711449d064ce9734b45aa76a0381.exe
        "C:\Users\Admin\AppData\Local\Temp\3a64b7c05b88fa97cbd47c51ce1d2aab0449711449d064ce9734b45aa76a0381.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2908

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        blowjob masturbation leather .zip.exe
        • Path C:\Program Files\Windows Sidebar\Shared Gadgets\blowjob masturbation leather .zip.exe
        • Size 1.4MB
        • SHA256 960952d464d50da083b45b0f8e1f02b7ddfbeb62da9385303a210f55525d6bb7
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1612-76-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/1612-88-0x0000000004540000-0x000000000455F000-memory.dmp
        Download

        memory/1612-107-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2820-0-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2820-75-0x0000000004B50000-0x0000000004B6F000-memory.dmp
        Download

        memory/2820-104-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2908-89-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2908-109-0x0000000000400000-0x000000000041F000-memory.dmp
        Download