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Analysis

  • max time kernel
    150s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30/01/2023, 16:32

General

  • Target

    file.exe

  • Size

    168KB

  • MD5

    e83e0c1a239a6ee3b168276636256e60

  • SHA1

    e23c097277db3db2a4dbc76f68fade41b15fdf02

  • SHA256

    be48bf98323f33e64fd282edcb5413d86dcd291c073084826e7e89b24dc0b99d

  • SHA512

    0cafb90da246e8dd65786631243d432440d9f6da24219ef4d4cae9eb23f8526d33a8b418813b2f9a249c0927bfaba7c67aec56781245367506e6ef9f8ed78659

  • SSDEEP

    3072:Bn4v5Lq4lw0F52HzjMjWncqOPAnDhRujzebXQ:GLPw0evMjWnDYq9sjys

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:1632
    • 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:1692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1632-56-0x0000000002D7B000-0x0000000002D8E000-memory.dmp

    Filesize

    76KB

  • memory/1632-58-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1692-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1692-57-0x00000000761F1000-0x00000000761F3000-memory.dmp

    Filesize

    8KB

  • memory/1692-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1692-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB