Analysis

  • max time kernel
    152s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 01:04

General

  • Target

    42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe

  • Size

    342KB

  • MD5

    2559340fb8d8f4e98ee58202d7f50fd0

  • SHA1

    9c6efcc00e0283100987b57cc12a395eff4c03b7

  • SHA256

    42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d

  • SHA512

    296d68a497086568aa6d436716006e2cf0e435e28c9eef3611dd7748f85a8b02e335e7432c3bc563e8190f6ab41a5511f79f37ebddcd8f610e63b654b81afb4e

  • SSDEEP

    6144:zXC4vgmhbIxs3NBBt0CzlZ1JJskSO2acPJm8V64To0TnYh54Ja8jN4EjHmn:zXCNi9BD0slnsE2aOvsWe54RjNu

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 59 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\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe
    "C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.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:848
    • C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe
      "C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1256
      • C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe
        "C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1508

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/848-54-0x00000000766F1000-0x00000000766F3000-memory.dmp

    Filesize

    8KB

  • memory/1256-55-0x0000000000000000-mapping.dmp

  • memory/1508-57-0x0000000000000000-mapping.dmp