Resubmissions

08-08-2023 17:21

230808-vw7g5aed44 10

Analysis

  • max time kernel
    334s
  • max time network
    1600s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    08-08-2023 17:21

General

  • Target

    Hazard-Nuker.exe

  • Size

    261KB

  • MD5

    d147a446f8b11e2e6242b42176f75bed

  • SHA1

    aa1c8c74f5df35ff527afb7587a5191a6ead004c

  • SHA256

    3d30fea6773ea15b649ae9fbe466828e92c803c1ed8355014f86807dfc410349

  • SHA512

    9120206ce7a2f92e919de2b516377c5a36b1d5e3cbd468394864846c0d1faf014ca469624d02fbbf6e4d21f05d0e88fc5373a7b16921c7553485731e46b20e37

  • SSDEEP

    3072:TiO7Hla/fpgue2f9bLXhHkOeDVjkaL6r:TdHla/fSuek9H0ki6

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:1012
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1012 -s 1396
      2⤵
      • Program crash
      PID:2268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1012-117-0x0000000000D80000-0x0000000000DC6000-memory.dmp

    Filesize

    280KB

  • memory/1012-118-0x00007FFE788F0000-0x00007FFE792DC000-memory.dmp

    Filesize

    9.9MB

  • memory/1012-119-0x000000001BA20000-0x000000001BA30000-memory.dmp

    Filesize

    64KB

  • memory/1012-122-0x00007FFE788F0000-0x00007FFE792DC000-memory.dmp

    Filesize

    9.9MB

  • memory/1012-123-0x00007FFE788F0000-0x00007FFE792DC000-memory.dmp

    Filesize

    9.9MB