Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 14:28

General

  • Target

    JaffaCakes118_2515a479e1b5aeebc313b0d337aa8be20a7d185414a5f1a76d98c0d31285f9a3.exe

  • Size

    166KB

  • MD5

    4f0a15b2f8d3bc8dd261b28b71685bc3

  • SHA1

    7cef8b2f229d2319145f3728682f581935d1d2ca

  • SHA256

    2515a479e1b5aeebc313b0d337aa8be20a7d185414a5f1a76d98c0d31285f9a3

  • SHA512

    9d9ccfc2335c88d0973a0ce0389612f8febee9213963196ba5b670faeae74dc6c334f9a1f842ccacc6a575ba9085eba64620e36f4c4227c8278b21f302660f51

  • SSDEEP

    3072:nQBqZ/B+v0JqlfqkNTdQqm7J2E+vYCgbrJCVQhMdT:nQB0idqHogbWaMd

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 3 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_2515a479e1b5aeebc313b0d337aa8be20a7d185414a5f1a76d98c0d31285f9a3.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2515a479e1b5aeebc313b0d337aa8be20a7d185414a5f1a76d98c0d31285f9a3.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:3228
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYANP /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4884
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYANP /tr "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2515a479e1b5aeebc313b0d337aa8be20a7d185414a5f1a76d98c0d31285f9a3.exe" /sc minute /mo 5
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2348
    • 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:2208
    • 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:4756
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYAN /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2680
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2515a479e1b5aeebc313b0d337aa8be20a7d185414a5f1a76d98c0d31285f9a3.exe" /sc minute /mo 1
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5004
    • 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:2860
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYANP /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1564
      • 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:4792
      • 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:808
      • 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:4732
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Delete /tn NYAN /F
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2408
      • 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:2904
  • 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:1700
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYANP /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3160
    • 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:1180
    • 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:1448
    • 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:4060
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYAN /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1592
    • 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:2412
  • 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:4980
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYANP /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1000
    • 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:4544
    • 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:3228
    • 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:640
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /tn NYAN /F
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2432
    • 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:3556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    166KB

    MD5

    4f0a15b2f8d3bc8dd261b28b71685bc3

    SHA1

    7cef8b2f229d2319145f3728682f581935d1d2ca

    SHA256

    2515a479e1b5aeebc313b0d337aa8be20a7d185414a5f1a76d98c0d31285f9a3

    SHA512

    9d9ccfc2335c88d0973a0ce0389612f8febee9213963196ba5b670faeae74dc6c334f9a1f842ccacc6a575ba9085eba64620e36f4c4227c8278b21f302660f51

  • memory/3228-6-0x0000000075090000-0x0000000075641000-memory.dmp

    Filesize

    5.7MB

  • memory/3228-3-0x0000000075090000-0x0000000075641000-memory.dmp

    Filesize

    5.7MB

  • memory/3228-4-0x0000000075090000-0x0000000075641000-memory.dmp

    Filesize

    5.7MB

  • memory/3228-5-0x0000000075092000-0x0000000075093000-memory.dmp

    Filesize

    4KB

  • memory/3228-0-0x0000000075092000-0x0000000075093000-memory.dmp

    Filesize

    4KB

  • memory/3228-7-0x0000000075090000-0x0000000075641000-memory.dmp

    Filesize

    5.7MB

  • memory/3228-8-0x0000000075090000-0x0000000075641000-memory.dmp

    Filesize

    5.7MB

  • memory/3228-9-0x0000000075090000-0x0000000075641000-memory.dmp

    Filesize

    5.7MB

  • memory/3228-2-0x0000000075090000-0x0000000075641000-memory.dmp

    Filesize

    5.7MB

  • memory/3228-19-0x0000000075090000-0x0000000075641000-memory.dmp

    Filesize

    5.7MB

  • memory/3228-1-0x0000000075090000-0x0000000075641000-memory.dmp

    Filesize

    5.7MB