Analysis

  • max time kernel
    154s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2022 22:49

General

  • Target

    file.exe

  • Size

    240KB

  • MD5

    35817a81791ad31cb6aea5d412416519

  • SHA1

    c1dc83a9d6bfc1be7a1fd31ad3388c0187debe5d

  • SHA256

    413dfa98d485fb9cf21af75dc88475fd55176fbd3f9fae020ec26fe1b095cccf

  • SHA512

    f31561e29b6b2a0b0289745b6ced9aa248aa58718edebdecdbfb81ad3c97741269c1976e8faf7a16add46aeee0f7610e0543f1a6c38c43d67070f9ab89af7598

  • SSDEEP

    3072:rX5fqyL/3/sidC9YU15Z2xcJv0R9uDC54Omqg727hZY:DRLhdC9YEuRgDMsnWZY

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: GetForegroundWindowSpam 1 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:1144
    • 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:1336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1144-58-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1144-56-0x000000000061B000-0x000000000062C000-memory.dmp

    Filesize

    68KB

  • memory/1264-61-0x000007FEF61E0000-0x000007FEF6323000-memory.dmp

    Filesize

    1.3MB

  • memory/1264-62-0x000007FE8F4A0000-0x000007FE8F4AA000-memory.dmp

    Filesize

    40KB

  • memory/1336-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1336-57-0x0000000075F01000-0x0000000075F03000-memory.dmp

    Filesize

    8KB

  • memory/1336-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1336-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB