Analysis

  • max time kernel
    150s
  • max time network
    103s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/10/2026, 22:23

General

  • Target
    jaffacakes118_HEUR.Trojan.Win32.Generic.exe
  • Size 673KB
  • Sample261013-2ba2ract2y
  • SHA256 21091fe6e7c207c1068c6e7b62ce1da18ec5f09d475cc4a397fe2236355db65c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 54 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Discovers running processes 1 TTPs 1 IoCs

    Running process information can be used to identify security tools or plan follow-on actions.

  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 3 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3600
    • C:\Users\Admin\S7JdZrvW.exe
      S7JdZrvW.exe
      2⤵
      • Modifies visibility of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3332
      • C:\Users\Admin\couubi.exe
        "C:\Users\Admin\couubi.exe"
        3⤵
        • Modifies visibility of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:3876
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del S7JdZrvW.exe
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Discovers running processes
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4232
    • C:\Users\Admin\tell.exe
      tell.exe
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4212
    • C:\Users\Admin\telm.exe
      telm.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4184
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\ticfatar.dll",Startup
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4636
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Users\Admin\AppData\Local\ticfatar.dll",iep
          4⤵
          • Loads dropped DLL
          • Reads the TCP/IP host and domain name from the registry
          • System Location Discovery: System Language Discovery
          PID:5456
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c del jaffacakes118_HEUR.Trojan.Win32.Generic.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4592
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5588

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          ticfatar.dll

          • Path C:\Users\Admin\AppData\Local\ticfatar.dll
          • Size 111KB
          • SHA256 61112142c51272ef736d5c91e44092922491b7419a7e2464500662e11b4cdb4b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          S7JdZrvW.exe

          • Path C:\Users\Admin\S7JdZrvW.exe
          • Size 132KB
          • SHA256 8a44ceabe292392a0b7d591e1ba2469efc12d1a43d803446b5c53f5e61ef8022
          • MD5 SHA1 SHA512 SSDEEP TLSH

          couubi.exe

          • Path C:\Users\Admin\couubi.exe
          • Size 132KB
          • SHA256 70caede6ba2a5821b02a317a374793285c7bf4cc94d3467d03038599248b2cbc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tell.exe

          • Path C:\Users\Admin\tell.exe
          • Size 173KB
          • SHA256 b1ca21eafb091c91112d1b76924c40167c40c8dadc1f2fc2b6a09df52ed67116
          • MD5 SHA1 SHA512 SSDEEP TLSH

          telm.exe

          • Path C:\Users\Admin\telm.exe
          • Size 111KB
          • SHA256 a9ffabf03b96026a5f12b42aca3154a93726ac456160124a2e63cdfb7ed92fb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4184-21-0x0000000010000000-0x000000001001F000-memory.dmp

          memory/4184-22-0x0000000002430000-0x0000000002440000-memory.dmp

          memory/4184-23-0x0000000002430000-0x0000000002440000-memory.dmp

          memory/4184-28-0x0000000010000000-0x000000001001F000-memory.dmp

          memory/4212-14-0x0000000000400000-0x0000000000457000-memory.dmp

          memory/4212-27-0x0000000001F60000-0x0000000001FB7000-memory.dmp

          memory/4212-47-0x0000000000400000-0x0000000000457000-memory.dmp

          memory/4636-31-0x0000000003050000-0x0000000003060000-memory.dmp

          memory/4636-32-0x0000000003050000-0x0000000003060000-memory.dmp

          memory/4636-30-0x0000000010000000-0x000000001001F000-memory.dmp

          memory/4636-49-0x0000000003050000-0x0000000003060000-memory.dmp

          memory/4636-50-0x0000000010000000-0x000000001001F000-memory.dmp

          memory/4636-54-0x0000000010000000-0x000000001001F000-memory.dmp

          memory/4636-55-0x0000000010000000-0x000000001001F000-memory.dmp

          memory/4636-61-0x0000000010000000-0x000000001001F000-memory.dmp

          memory/4636-63-0x0000000010000000-0x000000001001F000-memory.dmp

          memory/4636-75-0x0000000010000000-0x000000001001F000-memory.dmp

          memory/4636-77-0x0000000010000000-0x000000001001F000-memory.dmp

          memory/5456-56-0x0000000010000000-0x000000001001F000-memory.dmp