Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2024 04:32

General

  • Target

    38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe

  • Size

    131KB

  • MD5

    38461cc4e383b3cfdefd41e987df1927

  • SHA1

    fa4c651866f3ddbbeca98f5c3472d1c963700822

  • SHA256

    e85dd1e7ab0b26928c8f917ff0849e745d975c97a9391171ea7218983e441eb3

  • SHA512

    fb638bfe83790983481c1a0027aa605d301c9cfc07d98989f716e105fa8c4dcfe57091a3caadfd4123fa3475397a1993277e1a69d6fe099f31469fd76ed7cc97

  • SSDEEP

    1536:GW27RutYPWEBjRqqv0XvZVdmUqkbv49FusLT09s7MzhLbbATOX1A/1uh1T:Wn0XvjdCkbvCFnVM8Nu7

Malware Config

Signatures

  • BlackNET

    BlackNET is an open source remote access tool written in VB.NET.

  • BlackNET payload 1 IoCs
  • 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.

  • Checks computer location settings 2 TTPs 5 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 9 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 18 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3792
    • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdates.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdates.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4488
    • C:\Users\Admin\AppData\Local\Temp\svchosts.exe
      "C:\Users\Admin\AppData\Local\Temp\svchosts.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1620
      • C:\Users\Admin\AppData\Local\Temp\38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4584
        • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdates.exe
          "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdates.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2800
      • C:\Users\Admin\AppData\Local\Temp\38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2112
        • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdates.exe
          "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdates.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:5004
      • C:\Users\Admin\AppData\Local\Temp\38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4344
        • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdates.exe
          "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdates.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4444
      • C:\Users\Admin\AppData\Local\Temp\38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:8

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\38461cc4e383b3cfdefd41e987df1927_JaffaCakes118.exe.log

    Filesize

    866B

    MD5

    d7d09fe4ff702ba9f25d5f48923708b6

    SHA1

    85ce2b7a1c9a4c3252fc9f471cf13ad50ad2cf65

    SHA256

    ae5b9b53869ba7b6bf99b07cb09c9ce9ff11d4abbbb626570390f9fba4f6f462

    SHA512

    500a313cc36a23302763d6957516640c981da2fbab691c8b66518f5b0051e25dfb1b09449efff526eab707fa1be36ef9362286869c82b3800e42d2d8287ef1cf

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\WindowsUpdates.exe.log

    Filesize

    594B

    MD5

    44e889763d548d09132c31ed548f63f5

    SHA1

    d9829a1b5841338533a0be0509df50172cce73be

    SHA256

    d29f0e5fe1ab31998f200d4441c0e201a2e3bd6e416f638cbee2eb55354d48cc

    SHA512

    a1474aaef1132f459e8139157a618368c7623f4a25a754c6fc2672d92929b9506bfcc272eebf5c69901f4140d36e740f5f6bbfb90e000c6538ab492f5aa48a96

  • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdates.exe

    Filesize

    131KB

    MD5

    38461cc4e383b3cfdefd41e987df1927

    SHA1

    fa4c651866f3ddbbeca98f5c3472d1c963700822

    SHA256

    e85dd1e7ab0b26928c8f917ff0849e745d975c97a9391171ea7218983e441eb3

    SHA512

    fb638bfe83790983481c1a0027aa605d301c9cfc07d98989f716e105fa8c4dcfe57091a3caadfd4123fa3475397a1993277e1a69d6fe099f31469fd76ed7cc97

  • C:\Users\Admin\AppData\Local\Temp\svchosts.exe

    Filesize

    17KB

    MD5

    89dd6e72358a669b7d6e2348307a7af7

    SHA1

    0db348f3c6114a45d71f4d218e0e088b71c7bb0a

    SHA256

    ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e

    SHA512

    93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b

  • memory/3792-10-0x00007FFD30970000-0x00007FFD31311000-memory.dmp

    Filesize

    9.6MB

  • memory/3792-4-0x000000001BD90000-0x000000001BE2C000-memory.dmp

    Filesize

    624KB

  • memory/3792-6-0x000000001BEF0000-0x000000001BF3C000-memory.dmp

    Filesize

    304KB

  • memory/3792-7-0x00007FFD30970000-0x00007FFD31311000-memory.dmp

    Filesize

    9.6MB

  • memory/3792-8-0x00007FFD30970000-0x00007FFD31311000-memory.dmp

    Filesize

    9.6MB

  • memory/3792-9-0x00007FFD30970000-0x00007FFD31311000-memory.dmp

    Filesize

    9.6MB

  • memory/3792-0-0x00007FFD30C25000-0x00007FFD30C26000-memory.dmp

    Filesize

    4KB

  • memory/3792-11-0x00007FFD30970000-0x00007FFD31311000-memory.dmp

    Filesize

    9.6MB

  • memory/3792-12-0x000000001F580000-0x000000001F5E2000-memory.dmp

    Filesize

    392KB

  • memory/3792-5-0x0000000000DD0000-0x0000000000DD8000-memory.dmp

    Filesize

    32KB

  • memory/3792-1-0x000000001B1F0000-0x000000001B296000-memory.dmp

    Filesize

    664KB

  • memory/3792-2-0x00007FFD30970000-0x00007FFD31311000-memory.dmp

    Filesize

    9.6MB

  • memory/3792-3-0x000000001B810000-0x000000001BCDE000-memory.dmp

    Filesize

    4.8MB

  • memory/3792-47-0x00007FFD30970000-0x00007FFD31311000-memory.dmp

    Filesize

    9.6MB

  • memory/4488-45-0x00007FFD30970000-0x00007FFD31311000-memory.dmp

    Filesize

    9.6MB

  • memory/4488-28-0x00007FFD30970000-0x00007FFD31311000-memory.dmp

    Filesize

    9.6MB

  • memory/4488-27-0x00007FFD30970000-0x00007FFD31311000-memory.dmp

    Filesize

    9.6MB