Overview

overview

7

Static

static

3

jaffacakes...rq.exe

windows10-2004-x64

7

jaffacakes...rq.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/10/2026, 15:25

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General

  • Target
    jaffacakes118_Trojan-Dropper.Win32.Agent.bjtwrq.exe
  • Size 744KB
  • Sample261006-strmsacy6p
  • SHA256 712be4daac220926f2078e7d384b318e07d48aedda1c8d8b765152bd00ab6749
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryexecutionpersistence

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Drops file in System32 directory 1 IoCs
  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

    execution
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

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

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

    persistenceexecution
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Agent.bjtwrq.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Agent.bjtwrq.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3116
    • C:\ProgramData\webstore.exe
      C:\ProgramData\webstore.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4904
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c security.bat
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4236
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn System\SystemUpdate /tr C:\ProgramData\webstore.exe /st 00:00 /sc once /du 9999:59 /ri 5 /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1200
  • C:\ProgramData\webstore.exe
    C:\ProgramData\webstore.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c security.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn System\SystemUpdate /tr C:\ProgramData\webstore.exe /st 00:00 /sc once /du 9999:59 /ri 5 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2468

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        webstore.exe
        • Path C:\ProgramData\webstore.exe
        • Size 744KB
        • SHA256 712be4daac220926f2078e7d384b318e07d48aedda1c8d8b765152bd00ab6749
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        security.bat
        • Path C:\Users\Admin\AppData\Local\Temp\security.bat
        • Size 112B
        • SHA256 0ad78a42ea45ce1ee66976f22c97c108bce3084a16b4cbb8206bcf3bf7999c95
        • MD5 SHA1 SHA512 TLSH
        Submit Download