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Analysis

  • max time kernel
    93s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/02/2025, 16:14

General

  • Target

    putty.exe

  • Size

    253KB

  • MD5

    1be7716149b621385fac089096dae863

  • SHA1

    6e409138ff96f9629616cc0d050666e06b8624aa

  • SHA256

    f8bd5f0408409ea63a270d5aad8da5f0cb557f9a82e0da3e8077cbe589288054

  • SHA512

    50096630e2eb6ea636c8dbfc5b14ea7f118c35f5b9f57725a9ae8df1a88dde2eac1571cf6a8064cee6d54a4af2faaeb1d3e3ddafa5c3944e2fd482fda8c96c12

  • SSDEEP

    1536:MQfwtKD/cg6SPYuwaXe+iwGCr8k40InYsNRvSVc57fn0pe7ItT5u8zGrvjOv5re6:/5h6Puu0Kx0SYsN1Syhfn0/B53pUP2

Malware Config

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Smokeloader family
  • Program crash 1 IoCs
  • 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 3 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\putty.exe
    "C:\Users\Admin\AppData\Local\Temp\putty.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:1588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1588 -s 360
      2⤵
      • Program crash
      PID:2144
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1588 -ip 1588
    1⤵
      PID:3788

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1588-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

      Filesize

      1024KB

    • memory/1588-2-0x0000000000600000-0x000000000060B000-memory.dmp

      Filesize

      44KB

    • memory/1588-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1588-6-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1588-4-0x0000000000400000-0x00000000004A9000-memory.dmp

      Filesize

      676KB

    • memory/1588-5-0x0000000000600000-0x000000000060B000-memory.dmp

      Filesize

      44KB