Analysis

  • max time kernel
    14s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    17-08-2024 01:31

General

  • Target

    3c05ea0ab0ef86a56ae9296e19da4130N.dll

  • Size

    714KB

  • MD5

    3c05ea0ab0ef86a56ae9296e19da4130

  • SHA1

    87a54f477a9cb65afb8261c0c8fe820a7a8a368e

  • SHA256

    8856f50952516e5bcf852f3a00d08154b945eac3a9fff2fcd0e185ea3500700a

  • SHA512

    988c69382631ebdc65aabc6987f9da4dcbea03472195c201303d6b1469ac3eca46d9a1d120e215057ab1da92c591da35fa8ae6fe183433b1f0f43864d5ac1f36

  • SSDEEP

    12288:rfMkq5Jkig77gK5BNzC80Js3Emnn5sMTLWhBtbHJOBjvrEH76:rfzAqRgKhV10k5ssQbporEH76

Malware Config

Signatures

  • Floxif, Floodfix

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

  • Detects Floxif payload 1 IoCs
  • 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
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c05ea0ab0ef86a56ae9296e19da4130N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c05ea0ab0ef86a56ae9296e19da4130N.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/836-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/836-4-0x0000000074FE1000-0x0000000074FE2000-memory.dmp

    Filesize

    4KB

  • memory/836-6-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB