Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2024 08:16

General

  • Target

    f5d2704617d33824adfea9476d946a335ac6e3fc.exe

  • Size

    361KB

  • MD5

    873a639a93c1d19b872141d9572200ba

  • SHA1

    f5d2704617d33824adfea9476d946a335ac6e3fc

  • SHA256

    1e902df1377fe03cc6d153fe79db192589e68d96d817307856150eb9e98a53ee

  • SHA512

    256dc9d35bfd3a220863f777b2355f461cfccdc461a99ef9167334a89b025580ba5fc0113b9be7b2d12b6ee48d3afc100c53a3fd0f68e056f76c6fd07fb553f0

  • SSDEEP

    6144:0FOlrWY18VODdR1YGqWnv4ygFdp41hajlttKh4rEZS1ulkYUdlnaRuGrS:jB18VODL1YZWnv4ygFdp41ha3L1ulkbW

Malware Config

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Smokeloader family
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5d2704617d33824adfea9476d946a335ac6e3fc.exe
    "C:\Users\Admin\AppData\Local\Temp\f5d2704617d33824adfea9476d946a335ac6e3fc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Checks SCSI registry key(s)
      PID:3284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/884-0-0x0000000000297000-0x0000000000299000-memory.dmp

    Filesize

    8KB

  • memory/3284-1-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB