Analysis

  • max time kernel
    149s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2023 10:22

General

  • Target

    file.exe

  • Size

    341KB

  • MD5

    233c8fb34be6191c517d14f49ecbdf67

  • SHA1

    e166c4e5dd9cd730da70f8107da227358359cfcb

  • SHA256

    f22786a37967bb75c2236e0c5718db4deeaa3ab46772b8230525f021c9d23caa

  • SHA512

    ae80151c66d37542e2ce23e5d2953765848f9e5ea4b503f38d22e6fffe8a282ad86f8cc0cbf2351a1f98d7ab453619fd486be8f743a88d45313592ada47eef0d

  • SSDEEP

    6144:ODLCug/OKNbC/hLCS0R0Ppbz5Djq7VWRFBMolz90XfkT:aGJ18/8STpvY7VWR5lz+Q

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:1564
    • 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:1664

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1564-56-0x00000000005FB000-0x0000000000610000-memory.dmp

    Filesize

    84KB

  • memory/1564-58-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1664-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1664-57-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

    Filesize

    8KB

  • memory/1664-55-0x0000000000402DD8-mapping.dmp

  • memory/1664-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1664-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB