Analysis

  • max time kernel
    186s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 Program Files directory 17 IoCs
  • Drops file in Windows directory 1 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe
    "C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe
      "C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3760
      • C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe
        "C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4768
    • C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe
      "C:\Users\Admin\AppData\Local\Temp\42770041b01cfd8396d07c4e2ebedd9a251459fc19c983d31ba849a45ebdfe2d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4592

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3760-132-0x0000000000000000-mapping.dmp

  • memory/4592-133-0x0000000000000000-mapping.dmp

  • memory/4768-134-0x0000000000000000-mapping.dmp