Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-09-2024 18:39

General

  • Target

    artifact.exe

  • Size

    246KB

  • MD5

    1ecb6f77346744c0c46875848978bcf6

  • SHA1

    8ad8d4ea2b2fd2c3fb783cc575ca2b75067ac8b1

  • SHA256

    44bdcae371c1e51170c36a7f54f678b9b07dce0be45820378b92fdd8c4adee92

  • SHA512

    b0e067917fd384ad8d292e26f9ae181b100acb5476e3d4112fdc0adffe82b53e41451c41cc4c5f6cbc2a135a2bd1acb81f8f54f0cc6ab32a17cb06fbb7db7256

  • SSDEEP

    3072:lCYeqOYEUXPnwr5q1dWN/RN6hBepDvuXclSrU5P92Bzao+cPqfvJ59Ru2lQBV+U3:lfEUXqeyxPQldWUBV+UdvrEFp7hK5d

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
  • Program crash 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\artifact.exe
    "C:\Users\Admin\AppData\Local\Temp\artifact.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 260
      2⤵
      • Program crash
      PID:2580

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/2104-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2104-5-0x00000000003E3000-0x00000000003E4000-memory.dmp

    Filesize

    4KB

  • memory/2104-6-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2104-7-0x00000000003E0000-0x00000000004F3000-memory.dmp

    Filesize

    1.1MB