Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    15/10/2026, 21:28

General

  • Target
    jaffacakes118_Trojan.Win32.Agentb.jlxr.exe
  • Size 267KB
  • Sample261015-1bqlrsdt21
  • SHA256 569fe7d6e951ee7701c3a32d3e35884a27698ee5762c24decdbbd60e0beeb44c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2018

C2
  • http://mailcdn-office365.io/

  • http://update-vmware-service.com/

  • http://rocket365.to/

rc4.i32
rc4.i32

Signatures

  • Family: SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Loads dropped DLL 2 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Checks SCSI registry key(s) 3 TTPs 2 IoCs

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

  • Suspicious behavior: MapViewOfSection 1 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agentb.jlxr.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agentb.jlxr.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agentb.jlxr.exe
      "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Agentb.jlxr.exe"
      2⤵
      • Maps connected drives based on registry
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:908

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nssC9B5.tmp\System.dll
        • Size 11KB
        • SHA256 a0cac4cf4852895619bc7743ebeb89f9e4927ccdb9e66b1bcd92a4136d0f9c77
        • MD5 SHA1 SHA512 SSDEEP TLSH

        todos.dll

        • Path C:\Users\Admin\AppData\Local\Temp\todos.dll
        • Size 54KB
        • SHA256 a1aad689d65c92d994cfda19f8344818e772a51f342388226147d8fb4aec39f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/908-39-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/908-34-0x0000000000400000-0x000000000040A000-memory.dmp

        memory/908-36-0x0000000076CE0000-0x0000000076EF5000-memory.dmp

        memory/2360-25-0x00000000022E0000-0x00000000022E1000-memory.dmp

        memory/2360-30-0x0000000076260000-0x0000000076278000-memory.dmp

        memory/2360-29-0x0000000076A40000-0x0000000076BE0000-memory.dmp

        memory/2360-35-0x0000000076CE0000-0x0000000076EF5000-memory.dmp

        memory/2360-28-0x0000000076CE0000-0x0000000076EF5000-memory.dmp

        memory/2360-26-0x00000000022F0000-0x00000000022F2000-memory.dmp

        memory/2360-33-0x0000000076EBD000-0x0000000076EC3000-memory.dmp

        memory/2360-18-0x0000000002410000-0x0000000002434000-memory.dmp

        memory/3272-38-0x00000000032F0000-0x0000000003305000-memory.dmp

        memory/3272-37-0x0000000003310000-0x0000000003311000-memory.dmp