Overview

overview

10

Static

static

1

2024-12-18...ia.exe

windows7-x64

10

2024-12-18...ia.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 16:22

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General

  • Target

    2024-12-18_15f2614d96f8caba5398a9525bf443c6_floxif_mafia.exe

  • Size

    1.8MB

  • MD5

    15f2614d96f8caba5398a9525bf443c6

  • SHA1

    9e608394b10aa197d839244549ec36966b47b658

  • SHA256

    c76dfffe550c2bf576eb769a448808a3dbc3a1960a006a7ead7d3f35e8d52ccd

  • SHA512

    30d8c7154b977080b5422729247e0493de7ae884f61eaa80f315b33593b46140e20e64d94ff04c6c675cda8226070191f3960a40c39b13673cfe45c2c7cd6e3f

  • SSDEEP

    49152:JpEqgw14kZV2HXsMnmjEREseBSsxHnfXsrHYi2YijiT:XwYJY9

Score
10/10
floxifbackdoordiscoverypersistenceprivilege_escalationtrojanupx

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
  • Drops file in Drivers directory 1 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    persistenceprivilege_escalation
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Modifies system executable filetype association 2 TTPs 64 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 5 IoCs

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

    upx
  • Drops file in Program Files directory 2 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
  • Modifies registry class 64 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-18_15f2614d96f8caba5398a9525bf443c6_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-18_15f2614d96f8caba5398a9525bf443c6_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Users\Admin\AppData\Local\Temp\2024-12-18_15f2614d96f8caba5398a9525bf443c6_floxif_mafia64.exe
      C:\Users\Admin\AppData\Local\Temp\2024-12-18_15f2614d96f8caba5398a9525bf443c6_floxif_mafia.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Windows\System32\Notepad.exe
        Notepad.exe C:\Users\Admin\Desktop\Rkill.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2024-12-18_15f2614d96f8caba5398a9525bf443c6_floxif_mafia64.exe
    Filesize

    964KB

    MD5

    ae368c10327fe7a8e5c875360e529b35

    SHA1

    d69fad67631f48f2eee9109a368eb176356da531

    SHA256

    797f0917162e74e64f556fd467cc13d10401e826309c3ed889574889a96b88c7

    SHA512

    e7e6e4d29dfdc537b21fdffc6c1ac0674b55fdf6c61e5fecfbdde1fa271903db1291c50bac3263bc9f4ee7797689542f29770e0d98b8180453c39bc6058a5c67

    Download Submit

  • C:\Users\Admin\Desktop\Rkill.txt
    Filesize

    514B

    MD5

    4748e8bc20393b0eba2ec46550720d40

    SHA1

    2d2938d66d1365f918464d147ef5fc0c33051c1d

    SHA256

    ecf35b01f5e6db3d1b766d8cb67d1280c9318ea7285b233f2c5fcf6c2f298826

    SHA512

    5d0394f15efeeff0c2b60e8870f91789f3e310f354dc45137f89aa77afefe645d22ebdb5ab7f319b52c554f8f37bf4d74f19ce92d5408f341e58a253fe02492c

    Download Submit

  • C:\Users\Admin\Desktop\Rkill.txt
    Filesize

    3KB

    MD5

    6ccc3bf66fab7164c7604d0db33f075e

    SHA1

    507e93b1fe193b87f7bca21358a8c09a8a21472f

    SHA256

    1ec55b48b10c0fea160a4e630246678f334acdf82a708b19f5741d90b0f61013

    SHA512

    dbbcbf24abcc074caee9a22e79305fff820742468193a79931fbfa8c7e729e4d6b80a49cef7f084c92e699ff7d92e080cb690f224ac50d2d6072be05f81e7646

    Download Submit

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

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    Download Submit

  • memory/1048-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/1048-30-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/1048-29-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/1048-28-0x0000000000820000-0x00000000009DF000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/1048-39-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/1048-37-0x0000000000820000-0x00000000009DF000-memory.dmp

    Filesize

    1.7MB

    Download