Overview

overview

10

Static

static

1

2024-12-09...id.exe

windows7-x64

10

2024-12-09...id.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2024 15:31

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General

  • Target

    2024-12-09_f88d3eeb3671a8dddfb87633b1e08778_floxif_icedid.exe

  • Size

    3.9MB

  • MD5

    f88d3eeb3671a8dddfb87633b1e08778

  • SHA1

    fffa75afb8341c16d597926edcc74d83a1ce3c9c

  • SHA256

    8d951a901865177449aeb73c7b5f3363b48050a3d42547e33cc59553fc9a482b

  • SHA512

    5f68cb226c30a41c848747cfb62855dfe34dd05f908762f0210c4a40f61cbabf6a51f3670e5f8eda1e66bc0d0dfd3133b9d87bfac2d829d30199760d5619fe03

  • SSDEEP

    49152:6bG+U0aWE689m9MHCES50aRs/AITI2pItLc8aOm7s+Tglq:6bG+t8w9PEQRsL427hTgk

Score
10/10
floxifbackdoorbootkitdiscoverypersistencetrojanupx

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.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • UPX packed file 5 IoCs

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

    upx
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 31 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-09_f88d3eeb3671a8dddfb87633b1e08778_floxif_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-09_f88d3eeb3671a8dddfb87633b1e08778_floxif_icedid.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Windows\temp\cpuz_driver_2316.log
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\temp\cpuz_driver_2316.log
    Filesize

    2KB

    MD5

    47ccbd1deaa70e3488d98ecc7f92794f

    SHA1

    771133224048b137ecc5a2fb4926abcfeb25ed0b

    SHA256

    382dd98ca6191272e551b79209334bdc88783bdf7847d486af21dde989454b66

    SHA512

    6e88585a38f26fd3a72dd8f2cc95723f2d458b03cde2979abfe719d43e164deb69bebd5cf236652fef6a5e2cd40521ba4e79a17ff6efcc697479f73d5fa5e2b5

    Download Submit

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

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    Download Submit

  • memory/2316-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2316-56-0x0000000000491000-0x0000000000494000-memory.dmp

    Filesize

    12KB

    Download

  • memory/2316-57-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2316-58-0x0000000000400000-0x00000000007D5000-memory.dmp

    Filesize

    3.8MB

    Download

  • memory/2316-59-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2316-62-0x00000000066A0000-0x00000000066A2000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2316-63-0x0000000000400000-0x00000000007D5000-memory.dmp

    Filesize

    3.8MB

    Download

  • memory/2316-68-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2316-69-0x0000000000400000-0x00000000007D5000-memory.dmp

    Filesize

    3.8MB

    Download