Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2024, 06:36

General

  • Target

    dc37a2af60f12ecda1fbbc6832c5698991d2338f031ef5dbf3a2a087e8013135.dll

  • Size

    123KB

  • MD5

    a95005da2a9050f277ee7711f04abf3b

  • SHA1

    c815c7b19933c43225019a0b8a9a10b4a3d92bbd

  • SHA256

    dc37a2af60f12ecda1fbbc6832c5698991d2338f031ef5dbf3a2a087e8013135

  • SHA512

    d6e2a962e2705432dd3424c737229a455c147f72a8b9a7252274b1272a1479447e35dc3f22669d1c840cf3acbe8270169b2f87a0c7def9bc4a0db045a260af07

  • SSDEEP

    3072:Mdud0eNZxxZsQvVqRlkM4OAD/KLznBuB2JA2BjiU9:MduVNZ9sQvMRlkM4RD/qzMfU9

Malware Config

Signatures

  • Floxif family
  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Detects Floxif payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • Network Service Discovery 1 TTPs 9 IoCs

    Attempt to gather information on host's network.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc37a2af60f12ecda1fbbc6832c5698991d2338f031ef5dbf3a2a087e8013135.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc37a2af60f12ecda1fbbc6832c5698991d2338f031ef5dbf3a2a087e8013135.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Windows\SysWOW64\arp.exe
        arp -a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:2280
      • C:\Windows\SysWOW64\arp.exe
        arp -s 10.127.0.1 d3-bd-f5-4c-e3-e1
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:548
      • C:\Windows\SysWOW64\arp.exe
        arp -s 10.127.255.255 43-d8-e0-c5-4a-36
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3420
      • C:\Windows\SysWOW64\arp.exe
        arp -s 136.243.69.123 2f-7f-9a-4f-1d-7a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:4820
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.22 46-86-48-9e-51-f6
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3272
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.251 84-ee-07-82-5a-0c
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:3068
      • C:\Windows\SysWOW64\arp.exe
        arp -s 224.0.0.252 52-ad-d1-1b-e7-d2
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:4604
      • C:\Windows\SysWOW64\arp.exe
        arp -s 239.255.255.250 67-92-5d-bd-21-24
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:220
      • C:\Windows\SysWOW64\arp.exe
        arp -s 255.255.255.255 4a-e8-15-6e-a1-7e
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:4224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 712
        3⤵
        • Program crash
        PID:2124
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3032 -ip 3032
    1⤵
      PID:624

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      71KB

      MD5

      4fcd7574537cebec8e75b4e646996643

      SHA1

      efa59bb9050fb656b90d5d40c942fb2a304f2a8b

      SHA256

      8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

      SHA512

      7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

    • memory/3032-3-0x0000000010000000-0x0000000010033000-memory.dmp

      Filesize

      204KB

    • memory/3032-6-0x0000000075770000-0x000000007577C000-memory.dmp

      Filesize

      48KB

    • memory/3032-8-0x0000000010000000-0x0000000010033000-memory.dmp

      Filesize

      204KB