Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    02/07/2023, 01:17

General

  • Target

    Kirsty/Kirsty.exe.config

  • Size

    784B

  • MD5

    9cacc37a861c0762644b34a41bfe561e

  • SHA1

    3dbd73a5e7d5c4c675f70b46e57ab2c2a3c86b6a

  • SHA256

    28fcd2554989728e2b506d00e91cd804ccc726317aaaabe722ad67af315e674f

  • SHA512

    bef3156c1ababc17a35c5f0ace60883c3cd737eb3e75fc8f93af291f1902c089ff265786c8b8fd21ccccde5867f5e3877d42800644ff493cac482c97f799a86d

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 2 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Kirsty\Kirsty.exe.config
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1372
    • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Kirsty\Kirsty.exe.config"
      2⤵
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:480

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

          Filesize

          3KB

          MD5

          f45cedd8050295c1dfd4903569f03301

          SHA1

          d2322339a56e832ccfb9fbcb367704f0f2487e09

          SHA256

          ac044d3608e1ad1a85a84d6891ed1d82e855fcbdaa3aad6d08a46c7f874eddc3

          SHA512

          4b2bbf0ccb0beaba98675f07d77bb11ab19b35a63c36c29259a77cb8cea2b46900c6e2ee3de88d2af1bbb489ae849d90ecb3b7e7dea4fb5495450f0dcd64db34