Analysis

  • max time kernel
    1794s
  • max time network
    1506s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-08-2023 17:58

General

  • Target

    Hazard-Nuker.exe

  • Size

    261KB

  • MD5

    2fc3e8ef37c14a67847253cb9438bbef

  • SHA1

    b38fba1194eaa65f59746d635751f107b9c763ae

  • SHA256

    ac9376d351bfde2935460c184dd71e7a4123cdb88c057da27f72386a477d19fe

  • SHA512

    b756682435a8316ebbcd4d65e0b064514c6f6332fee363f600d23650ca06c7647f530d2edcf0e82f1994a6b4b986f12d8a0495f2263cd6f94dd19e3074f92639

  • SSDEEP

    3072:fiO7Hla/f/gue2f9bw5hZkOeE0jkaL6r:fdHla/fouek9AKki6

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
  • 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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Hazard-Nuker.exe
    "C:\Users\Admin\AppData\Local\Temp\Hazard-Nuker.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2228
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2228 -s 1528
      2⤵
      • Program crash
      PID:2840
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 408 -p 2228 -ip 2228
    1⤵
      PID:1696

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2228-133-0x0000000000710000-0x0000000000756000-memory.dmp

      Filesize

      280KB

    • memory/2228-134-0x00007FFED4110000-0x00007FFED4BD1000-memory.dmp

      Filesize

      10.8MB

    • memory/2228-135-0x0000000002830000-0x0000000002840000-memory.dmp

      Filesize

      64KB

    • memory/2228-138-0x00007FFED4110000-0x00007FFED4BD1000-memory.dmp

      Filesize

      10.8MB

    • memory/2228-139-0x0000000002830000-0x0000000002840000-memory.dmp

      Filesize

      64KB

    • memory/2228-140-0x00007FFED4110000-0x00007FFED4BD1000-memory.dmp

      Filesize

      10.8MB