Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 14:29

General

  • Target

    PcFire.exe

  • Size

    74KB

  • MD5

    5869edd76793fdda010c3191d14a38af

  • SHA1

    aacad694e1334c037e68db2201173a8347afff78

  • SHA256

    9b1e17bfb91e74ba74e0b00fba0fa0c71316994cca8145207f3dd0f0e41f1ed5

  • SHA512

    3a0cf7e4d6315ca2be833336f579d1d421d03dda2adcf5fc02ee8880bbb4251b8544528e5bc0c0598447dac49dd6dfb357f42b7bab55ecc792e6f82334091d82

  • SSDEEP

    1536:fZno9xptw8VGHE1uWdas6vKPHvfpK3INcwqE49aSvwKxjzxt6e:f+bZPfpK3qDqP9aSvwKhzxtz

Malware Config

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Stormkitty family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PcFire.exe
    "C:\Users\Admin\AppData\Local\Temp\PcFire.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1484 -s 1068
      2⤵
        PID:2600

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1484-0-0x000007FEF5CB3000-0x000007FEF5CB4000-memory.dmp

      Filesize

      4KB

    • memory/1484-1-0x00000000003A0000-0x00000000003B8000-memory.dmp

      Filesize

      96KB

    • memory/1484-2-0x000007FEF5CB0000-0x000007FEF669C000-memory.dmp

      Filesize

      9.9MB

    • memory/1484-5-0x000007FEF5CB3000-0x000007FEF5CB4000-memory.dmp

      Filesize

      4KB

    • memory/1484-6-0x000007FEF5CB0000-0x000007FEF669C000-memory.dmp

      Filesize

      9.9MB