Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2024 06:30

General

  • Target

    JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe

  • Size

    165KB

  • MD5

    dfdec291a53f62834e81d192af2fb64e

  • SHA1

    959f8ffa233dd320b100258724adfe69b71144a5

  • SHA256

    5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc

  • SHA512

    e7560f6a230f37f18faf4876aae015e3e0050f0ea6f09a637e53cb559abbd020ec48e8e971f055641ecf8057e928493e1469ef56b1bfeede533bad48c95e23d9

  • SSDEEP

    3072:vVpwQ/8KbV8nKet98UL0ZCN4CEgEamqlZbb25BF1ilZ:dpvOsZ6+tq3bi3FG

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 28 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 8 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 8 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3116
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYANP /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5060
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe" /sc minute /mo 5
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5116
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM wscript.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1644
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM cmd.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4408
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYAN /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4400
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc.exe" /sc minute /mo 1
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:960
    • C:\Users\Admin\AppData\Roaming\Client.exe
      "C:\Users\Admin\AppData\Roaming\Client.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1308
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYANP /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1896
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3400
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM wscript.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:812
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM cmd.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4144
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYAN /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1716
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4648
  • C:\Users\Admin\AppData\Roaming\Client.exe
    C:\Users\Admin\AppData\Roaming\Client.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYANP /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4024
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 5
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1388
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM wscript.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:976
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM cmd.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1416
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYAN /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4228
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 1
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1740
  • C:\Users\Admin\AppData\Roaming\Client.exe
    C:\Users\Admin\AppData\Roaming\Client.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYANP /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3204
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 5
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2920
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM wscript.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3088
    • C:\Windows\SysWOW64\TASKKILL.exe
      TASKKILL /F /IM cmd.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1556
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYAN /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3332
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Roaming\Client.exe" /sc minute /mo 1
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Client.exe.log

    Filesize

    408B

    MD5

    40b0c3caa1b14a4c83e8475c46bf2016

    SHA1

    af9575cda4d842f028d18b17063796a894ecd9d0

    SHA256

    70e88a428d92b6ab5905dac9f324824c4c6f120bc3f385c82b2d12f707a4a867

    SHA512

    916437df737de4b6063b7116b4d148229d4a975eb4046122d47434b81fba06e88e09e5f273ec496c81ef3feecb843ccad20a7a04074224416c1fa9951acbdac7

  • C:\Users\Admin\AppData\Roaming\Client.exe

    Filesize

    165KB

    MD5

    dfdec291a53f62834e81d192af2fb64e

    SHA1

    959f8ffa233dd320b100258724adfe69b71144a5

    SHA256

    5b1f6877dab9979d9dfff733cb357d06d6c7010bc8cc662b6ba416fa6b086abc

    SHA512

    e7560f6a230f37f18faf4876aae015e3e0050f0ea6f09a637e53cb559abbd020ec48e8e971f055641ecf8057e928493e1469ef56b1bfeede533bad48c95e23d9

  • memory/3116-6-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-3-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-4-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-5-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

    Filesize

    4KB

  • memory/3116-0-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

    Filesize

    4KB

  • memory/3116-7-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-8-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-9-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-2-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-19-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/3116-1-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB