Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-01-2025 22:26

General

  • Target

    sant.exe

  • Size

    12KB

  • MD5

    5effca91c3f1e9c87d364460097f8048

  • SHA1

    28387c043ab6857aaa51865346046cf5dc4c7b49

  • SHA256

    3fd826fc0c032721466b94ab3ec7dcfe006cc284e16132af6b91dfbc064b0907

  • SHA512

    b0dba30fde295d3f7858db9d1463239b30cd84921971032b2afb96f811a53ac12c1e6f72013d2eff397b0b89c371e7c023c951cd2102f94157cba9918cd2c3e0

  • SSDEEP

    192:I0EFK6COuHNlcW/1bXMvP8trt2mS3+dlRXwaziCP4kAIschKp0jeaJYrIC+sD:I0m/50t9bGPMrXSyGCP4kA6LyrIle

Malware Config

Extracted

Family

smokeloader

Version

2017

C2

http://92.53.105.14/

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Smokeloader family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sant.exe
    "C:\Users\Admin\AppData\Local\Temp\sant.exe"
    1⤵
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2056-5-0x0000000000AC0000-0x0000000000EF3000-memory.dmp

    Filesize

    4.2MB

  • memory/2056-7-0x0000000000AC0000-0x0000000000EF3000-memory.dmp

    Filesize

    4.2MB

  • memory/2056-8-0x0000000001200000-0x000000000120A000-memory.dmp

    Filesize

    40KB

  • memory/2056-16-0x0000000001200000-0x000000000120A000-memory.dmp

    Filesize

    40KB

  • memory/2056-14-0x0000000001200000-0x000000000120A000-memory.dmp

    Filesize

    40KB

  • memory/4916-0-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/4916-1-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB

  • memory/4916-2-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB

  • memory/4916-4-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB

  • memory/4916-17-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB

  • memory/4916-19-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB