Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-09-2024 18:45

General

  • Target

    Autorun.exe

  • Size

    265KB

  • MD5

    118062803d44807a38d1d55bbeabf7fa

  • SHA1

    b801d1e823c9baa78d50f97cc9ac566fa020184e

  • SHA256

    89dd3a7091ac44e07bfd01f47ff4dfa9b0936c672779638f78a34d64d081308a

  • SHA512

    6df8df635a32b61ca7b81f60dbd573dbcc209dc6761a52fbdf13c180cbdc45b5ea571efa032b7f23b6de6bc45a821e331302b21a3f736a13d692f8cd9c452657

  • SSDEEP

    6144:3i/s77VBJ3YbcOFgsdhkRPu0seBV+UdvrEFp7hKC3:sE7pCcWphwkeBjvrEH73

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Autorun.exe
    "C:\Users\Admin\AppData\Local\Temp\Autorun.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1920

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/1920-0-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1920-4-0x00000000001C0000-0x00000000001EE000-memory.dmp

    Filesize

    184KB

  • memory/1920-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1920-7-0x0000000000402000-0x0000000000405000-memory.dmp

    Filesize

    12KB

  • memory/1920-9-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1920-10-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB