Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    29/06/2020, 08:08

General

  • Target
    CatFN.bin.exe
  • Size 598KB
  • Sample200629-fpvebmglpa
  • SHA256 b24cb4cd3db305d5451cb3c0d0e60fe578b1fd38aca4be6032fb0ce2f0b786b4
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1524 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates connected drives 3 TTPs
  • Modifies control panel 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Modifies registry class 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CatFN.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\CatFN.bin.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    • Modifies control panel
    • Sets desktop wallpaper using registry
    • Modifies registry class
    PID:3932
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa C:\Users\Admin\AppData\Local\Temp\64.cab /quiet /extract:C:\Windows\system32\migwiz\ & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\system32\wusa.exe
        wusa C:\Users\Admin\AppData\Local\Temp\64.cab /quiet /extract:C:\Windows\system32\migwiz\
        3⤵
          PID:3236
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\888.vbs"
        2⤵
          PID:3968

      Network

            MITRE ATT&CK Enterprise v6

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            Downloads