Overview

overview

10

Static

static

1

2024-12-30...if.exe

windows7-x64

10

2024-12-30...if.exe

windows10-2004-x64

10

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
    30-12-2024 12:42

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General

  • Target

    2024-12-30_8cfcc0ebf0a215927af7f94c3df2ba9c_bkransomware_floxif.exe

  • Size

    2.1MB

  • MD5

    8cfcc0ebf0a215927af7f94c3df2ba9c

  • SHA1

    b37896aaf8d835f53662dc8a72d713c079337911

  • SHA256

    f55d66cbd948971ee8d1ea374ea50822bbf16e7038196727d7022aec8e3876d1

  • SHA512

    6b15da64d2357b541ad5affa7ddfee41498b0a7f8f2e4ea0f08a576fb50f8afed60682fa1fb8d5067719404bc0c20e331abc3790b8fb5600396e9ebcfe178aaf

  • SSDEEP

    49152:/ofqq2msxBMWSxRio/D4aQGJ6+Y5aN2153aqPk4utu+NNAVw6rPYb:gCq2R3MWSxN/M9GJrYU2r3xPk4utCVe

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 1 IoCs
  • 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 3 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-30_8cfcc0ebf0a215927af7f94c3df2ba9c_bkransomware_floxif.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-30_8cfcc0ebf0a215927af7f94c3df2ba9c_bkransomware_floxif.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 SetWindowsHookEx
    PID:4484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    Download Submit

  • memory/4484-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/4484-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/4484-13-0x0000000000A20000-0x0000000000C35000-memory.dmp

    Filesize

    2.1MB

    Download