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Overview

overview

10

Static

static

3

347b2ff3e6...62.dll

windows7-x64

10

347b2ff3e6...62.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • 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
    18/12/2024, 14:23 UTC

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General

  • Target

    347b2ff3e62e15d81c3fa093b8125313f509ae04c950e1aab9152148e4d1c662.dll

  • Size

    939KB

  • MD5

    0c8697e14b580501001fd243be657d54

  • SHA1

    244b46c9dfca21a1d227c842bea9d00dadd4f5b4

  • SHA256

    347b2ff3e62e15d81c3fa093b8125313f509ae04c950e1aab9152148e4d1c662

  • SHA512

    7a270e57386f83e8887e65cd7116c4d7683841b96affdbaf0461953f65c0ca998d76191fdc1e33303edb474d0a5c956979110b5848f6b7cad46e748aae3e70f1

  • SSDEEP

    24576:Z9J2af3FvMFd01qgSRaxXxHUOo+lMRGJ/qofh:N2y2kxXxHUv+/1qI

Score
10/10
floxifbackdoordiscoverytrojanupx

Malware Config

Signatures

  • Floxif family
    floxif
  • Floxif, Floodfix

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

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

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • UPX packed file 4 IoCs

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

    upx
  • Drops file in Program Files directory 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.

    discovery
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\347b2ff3e62e15d81c3fa093b8125313f509ae04c950e1aab9152148e4d1c662.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1352
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\347b2ff3e62e15d81c3fa093b8125313f509ae04c950e1aab9152148e4d1c662.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4216

Network

  • flag-us
    DNS
    228.249.119.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    228.249.119.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    138.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    138.32.126.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    13.86.106.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    13.86.106.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    154.239.44.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    154.239.44.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    53.210.109.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    53.210.109.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    206.23.85.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    206.23.85.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    14.227.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    14.227.111.52.in-addr.arpa
    IN PTR
    Response
No results found
  • 8.8.8.8:53
    228.249.119.40.in-addr.arpa
    dns
    73 B
     159 B
     1
    1

    DNS Request

    228.249.119.40.in-addr.arpa

  • 8.8.8.8:53
    138.32.126.40.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    138.32.126.40.in-addr.arpa

  • 8.8.8.8:53
    95.221.229.192.in-addr.arpa
    dns
    73 B
     144 B
     1
    1

    DNS Request

    95.221.229.192.in-addr.arpa

  • 8.8.8.8:53
    13.86.106.20.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    13.86.106.20.in-addr.arpa

  • 8.8.8.8:53
    154.239.44.20.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    154.239.44.20.in-addr.arpa

  • 8.8.8.8:53
    53.210.109.20.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    53.210.109.20.in-addr.arpa

  • 8.8.8.8:53
    206.23.85.13.in-addr.arpa
    dns
    71 B
     145 B
     1
    1

    DNS Request

    206.23.85.13.in-addr.arpa

  • 8.8.8.8:53
    14.227.111.52.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    14.227.111.52.in-addr.arpa

  • 8.8.8.8:53

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    71KB

    MD5

    4fcd7574537cebec8e75b4e646996643

    SHA1

    efa59bb9050fb656b90d5d40c942fb2a304f2a8b

    SHA256

    8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

    SHA512

    7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

    Download Submit

  • memory/4216-6-0x0000000000DB0000-0x0000000000DE3000-memory.dmp

    Filesize

    204KB

    Download

  • memory/4216-7-0x0000000000DB0000-0x0000000000DE3000-memory.dmp

    Filesize

    204KB

    Download

  • memory/4216-8-0x0000000000DB0000-0x0000000000DE3000-memory.dmp

    Filesize

    204KB

    Download

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