Overview

overview

10

Static

static

1

2024-12-21...ia.exe

windows7-x64

10

2024-12-21...ia.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 07:23

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General

  • Target

    2024-12-21_606fc82a05ab359478f5a56646e20d5c_floxif_mafia.exe

  • Size

    1.8MB

  • MD5

    606fc82a05ab359478f5a56646e20d5c

  • SHA1

    227d27d9852b4c19d9fc075b04fc2e320e0d4eca

  • SHA256

    470383cc055f7e510c6ce10cffc206116ba4f79e165c0701038fa6d2cb14d78b

  • SHA512

    b5314b1af7776f21706adfc9fdb185a8fac0c1528a71f29ea37a88a928d25be502147176a88964cf723405a632349cb3dacdd92bdde7db994eec7f451a3afb43

  • SSDEEP

    49152:BppJgw14kZV2HXsMnmjEREseBSsxHnfXsrHYi2Yijix:rwYJYn

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 3 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 4 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\2024-12-21_606fc82a05ab359478f5a56646e20d5c_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-21_606fc82a05ab359478f5a56646e20d5c_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:2748
    • C:\Users\Admin\AppData\Local\Temp\2024-12-21_606fc82a05ab359478f5a56646e20d5c_floxif_mafia64.exe
      C:\Users\Admin\AppData\Local\Temp\2024-12-21_606fc82a05ab359478f5a56646e20d5c_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:2744
      • C:\Windows\System32\Notepad.exe
        Notepad.exe C:\Users\Admin\Desktop\Rkill.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    Download Submit

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

    3KB

    MD5

    2be516c45b70db45444708373b9b7a4a

    SHA1

    fc3a7d00894ffe417d4cafd7ae0bf576833f5fbd

    SHA256

    b83d14a881ea736be7ccac645c63893b984bcf9044f36c72a69f7f0b5877481d

    SHA512

    aef043d99b0128f483a2b453d4c0de35942f71c5481c9898f560caa2706b2c2fb27b606c258632b58e02a2e5d3154ecd665636e347e114ed1bb073cee76c52ce

    Download Submit

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

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

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  • \Users\Admin\AppData\Local\Temp\2024-12-21_606fc82a05ab359478f5a56646e20d5c_floxif_mafia64.exe
    Filesize

    964KB

    MD5

    ae368c10327fe7a8e5c875360e529b35

    SHA1

    d69fad67631f48f2eee9109a368eb176356da531

    SHA256

    797f0917162e74e64f556fd467cc13d10401e826309c3ed889574889a96b88c7

    SHA512

    e7e6e4d29dfdc537b21fdffc6c1ac0674b55fdf6c61e5fecfbdde1fa271903db1291c50bac3263bc9f4ee7797689542f29770e0d98b8180453c39bc6058a5c67

    Download Submit

  • memory/2748-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2748-32-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2748-30-0x0000000001130000-0x00000000012EF000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/2748-40-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2748-38-0x0000000001130000-0x00000000012EF000-memory.dmp

    Filesize

    1.7MB

    Download