Analysis

  • max time kernel
    150s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2023 07:19

General

  • Target

    file.exe

  • Size

    283KB

  • MD5

    7edb3bf162fff8c303399ed7ad6a359c

  • SHA1

    fbe48adcbd7581ff7682c95f45dfb6a7d92b3153

  • SHA256

    ff4ca465d6f26292f71028d0d0a9f78234a74af966067adc7153ba7aa81e6136

  • SHA512

    00c21c294770286f8697744c1753d7e4bdca3d3e761cce3f5ed825d1b0a63d5cf73dd2b5878da73a8ad872952e08c2333a307107feff68c8e36c50b42ad2aa14

  • SSDEEP

    6144:VTBLDH4xl6wtAUvsZhj9Rn3vuZzxEmXCgyGpK3:VTBHH4x7tAUvsZR9R3mZznSC

Malware Config

Signatures

  • Detects Smokeloader packer 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/952-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/952-57-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

    Filesize

    8KB

  • memory/952-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/952-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1728-56-0x000000000055D000-0x0000000000573000-memory.dmp

    Filesize

    88KB

  • memory/1728-58-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB