Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14-09-2024 10:01

General

  • Target

    setup3.exe

  • Size

    236KB

  • MD5

    87f903e0878c0dae7646a412a4d60e42

  • SHA1

    e846a45862ae97a9ab671e67d22881cec4720dda

  • SHA256

    3afe01534a7b396016185fcbd28aeca02a10bb84c82603286ca663c7b994b3ea

  • SHA512

    012add649f336ea775ed72d91f0d2b78251d24bb9fc958da73e79f58d332b92e4c3a27c7e5a217f9233ff52b8129b2af4c573a51d9c8286d14746245cb50da49

  • SSDEEP

    3072:LacJUV+XiTZS1lG4nlY5RFBPnOyL0u5i1qYIjMKIvGKla8GKlaJalNuCdhG:+cJUVG6Sy4u5BPnOxugRv/z7uW

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Program crash 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup3.exe
    "C:\Users\Admin\AppData\Local\Temp\setup3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:3812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 388
      2⤵
      • Program crash
      PID:2364
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3812 -ip 3812
    1⤵
      PID:2188

    Network

    • flag-us
      DNS
      8.8.8.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      8.8.8.8.in-addr.arpa
      IN PTR
      Response
      8.8.8.8.in-addr.arpa
      IN PTR
      dnsgoogle
    • flag-us
      DNS
      self.events.data.microsoft.com
      Remote address:
      8.8.8.8:53
      Request
      self.events.data.microsoft.com
      IN A
      Response
      self.events.data.microsoft.com
      IN CNAME
      self-events-data.trafficmanager.net
      self-events-data.trafficmanager.net
      IN CNAME
      onedscolprdcus06.centralus.cloudapp.azure.com
      onedscolprdcus06.centralus.cloudapp.azure.com
      IN A
      13.89.179.8
    No results found
    • 8.8.8.8:53
      8.8.8.8.in-addr.arpa
      dns
      142 B
      287 B
      2
      2

      DNS Request

      8.8.8.8.in-addr.arpa

      DNS Request

      self.events.data.microsoft.com

      DNS Response

      13.89.179.8

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3812-1-0x00000000029D0000-0x0000000002AD0000-memory.dmp

      Filesize

      1024KB

    • memory/3812-2-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/3812-3-0x0000000000400000-0x000000000278B000-memory.dmp

      Filesize

      35.5MB

    • memory/3812-5-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

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