Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    15-08-2024 22:33

General

  • Target

    128122d047c75e65fd423abd4683d5f0N.dll

  • Size

    1.2MB

  • MD5

    128122d047c75e65fd423abd4683d5f0

  • SHA1

    b2bb56dba30c7ff804e283daaa53aa43167246d0

  • SHA256

    9dfda8c053316ac8d1805f20172273ed65698ab58d0a3f1c697ccdbef0364fcf

  • SHA512

    d0127ecebae6cbc260f20f9933c1ac90996c5cf8430c57cdd41a26b3c71442d5ee8ea2385363d39f4a0b60ed2d7f17e69b06ba8006f4fa0db40de9393aa5c992

  • SSDEEP

    24576:LF3HV0rHRLfmjHprvHfVg9lDT4Y1WYZVzeIkj9Gd6CT1vDd6CT1v1+6H+60rEH7x:LF3HV0rHRLfmjHprvHfVg9x4YgYZ5k0F

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\128122d047c75e65fd423abd4683d5f0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\128122d047c75e65fd423abd4683d5f0N.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2916

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/2916-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2916-4-0x0000000075281000-0x0000000075282000-memory.dmp

    Filesize

    4KB

  • memory/2916-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB