Analysis

  • max time kernel
    165s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2022 21:01

General

  • Target

    43532bd9be7eaf51dd7283026b31ea4e8458fd4ace788400f8db5c69cf7c44c2.exe

  • Size

    1.5MB

  • MD5

    91918fda0133e1608dff8c03c2821280

  • SHA1

    6ab2a29c7b108476bb534d3426bca8332b385428

  • SHA256

    43532bd9be7eaf51dd7283026b31ea4e8458fd4ace788400f8db5c69cf7c44c2

  • SHA512

    828d0f73fe5c8f61c16c4c0f471a57c24198c8552b221bc9d1e9d3f502bdc840a15ee358023a632e55d47986437fd83ebc2be5fadd136faa746f37c4e3be7824

  • SSDEEP

    24576:2WhImrf1tWxLpe3xvUEyGXCUdkbYvGl1J84snQonsB0ys4GpdpMbMu:zhI29sLpe36QXN6GGlLnqKJeu

Malware Config

Signatures

  • 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 24 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). Likely ransomware behaviour.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\43532bd9be7eaf51dd7283026b31ea4e8458fd4ace788400f8db5c69cf7c44c2.exe
    "C:\Users\Admin\AppData\Local\Temp\43532bd9be7eaf51dd7283026b31ea4e8458fd4ace788400f8db5c69cf7c44c2.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:1100
    • C:\Users\Admin\AppData\Local\Temp\43532bd9be7eaf51dd7283026b31ea4e8458fd4ace788400f8db5c69cf7c44c2.exe
      "C:\Users\Admin\AppData\Local\Temp\43532bd9be7eaf51dd7283026b31ea4e8458fd4ace788400f8db5c69cf7c44c2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Users\Admin\AppData\Local\Temp\43532bd9be7eaf51dd7283026b31ea4e8458fd4ace788400f8db5c69cf7c44c2.exe
        "C:\Users\Admin\AppData\Local\Temp\43532bd9be7eaf51dd7283026b31ea4e8458fd4ace788400f8db5c69cf7c44c2.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1100-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

    Filesize

    8KB

  • memory/2020-57-0x0000000000000000-mapping.dmp

  • memory/2024-55-0x0000000000000000-mapping.dmp