Analysis

  • max time kernel
    93s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 09:41

General

  • Target

    2024-11-21_d17c101fe5fb36659af9769ccf337c39_floxif_mafia.exe

  • Size

    302KB

  • MD5

    d17c101fe5fb36659af9769ccf337c39

  • SHA1

    c2e1021587bb9ff29285e4531e2719c193d1e3c4

  • SHA256

    e0e281ad37bd07b9008f55c2b30914b7f1a50661c0e4c1f1c2c307a9ae96ee01

  • SHA512

    5a61c6f88eb688a3364adbd7e144c3a6c1190c3b8ccdea6a3f71db4f2e08069467e90f08af71ce3a724131815cd0987769e0a90ca4fc6e985c9472b6523b7fd0

  • SSDEEP

    6144:ujxULxLYjDE2Tkobe70NM9Ftfc1wBV+UdvrEFp7hKP0:ujxU1LCYSe70NMhfc1wBjvrEH7f

Malware Config

Signatures

  • Floxif family
  • Floxif, Floodfix

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

  • Detects Floxif payload 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.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • 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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-21_d17c101fe5fb36659af9769ccf337c39_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_d17c101fe5fb36659af9769ccf337c39_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2792-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2792-6-0x0000000000191000-0x0000000000192000-memory.dmp

    Filesize

    4KB

  • memory/2792-9-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2792-7-0x0000000000190000-0x00000000001CE000-memory.dmp

    Filesize

    248KB