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Analysis

  • max time kernel
    94s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2025, 12:26

General

  • Target

    2025-01-02_989d72f8aedd16d8b89893ff87a866b4_floxif_mafia.exe

  • Size

    2.5MB

  • MD5

    989d72f8aedd16d8b89893ff87a866b4

  • SHA1

    766f7e34007c89c51ce1f238dff986dd20c8b37f

  • SHA256

    418ad38e013e35cfb2411e1671fe2a690642f9fcea9f89323cbbdcd4dc5d972a

  • SHA512

    c2b255f163fbaff9dceed2c0989927fe1712bdd5c9b8dabc5f03753481faaa45423a673ad440273a230521edbbbb1eea982337d1929f3ccf4f6f71fbfd98a01f

  • SSDEEP

    49152:tutIKQofs2hPd2l177BTK2VbDsar1YDj0:t2Bfs2hPIl1/r

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 8 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.

  • Drops file in Program Files directory 2 IoCs
  • Program crash 3 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-02_989d72f8aedd16d8b89893ff87a866b4_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-02_989d72f8aedd16d8b89893ff87a866b4_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
    PID:3752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 1544
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 1560
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 1572
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2460
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3752 -ip 3752
    1⤵
    • Loads dropped DLL
    PID:1416
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3752 -ip 3752
    1⤵
    • Loads dropped DLL
    PID:4896
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3752 -ip 3752
    1⤵
    • Loads dropped DLL
    PID:4700
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 3752 -ip 3752
    1⤵
    • Loads dropped DLL
    PID:2748

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

  • memory/3752-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3752-6-0x0000000000861000-0x0000000000862000-memory.dmp

    Filesize

    4KB

  • memory/3752-18-0x0000000000860000-0x0000000000ACA000-memory.dmp

    Filesize

    2.4MB

  • memory/3752-20-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB