Analysis

  • max time kernel
    150s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2023 00:17

General

  • Target

    file.exe

  • Size

    298KB

  • MD5

    afc1de57455861ff97bf20c27cfaba6c

  • SHA1

    00bd80516cbf5a309b48730abc76eedd9c5c688f

  • SHA256

    086f98376b2a5d38f1215467ef57d7803523984b3ff745fc5438eea791da7985

  • SHA512

    d2651e79444401b4a04f7169d6d782eea042273eacca0e95dd332b2562d2789bda2dabda11c37d18815013ea0d024271f1ffdbe74b74006d5af863b82f1673ce

  • SSDEEP

    3072:Aqb6bEcjNLqKRmaVrAndcjlYJZnQ6jJC9GS6AEn11uQjiMTE5wY3ta5hN:1vcjNLqJaVYeCjJoEkE11uQj9EaL

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:940
    • 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:1788

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/940-58-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/940-56-0x000000000061C000-0x0000000000631000-memory.dmp

    Filesize

    84KB

  • memory/1788-55-0x0000000000402DD8-mapping.dmp

  • memory/1788-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1788-57-0x0000000076411000-0x0000000076413000-memory.dmp

    Filesize

    8KB

  • memory/1788-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1788-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB