Analysis

  • max time kernel
    20s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15-08-2024 16:30

General

  • Target

    f9f90cfe72b7e6f43d8d9431568f9440N.exe

  • Size

    2.7MB

  • MD5

    f9f90cfe72b7e6f43d8d9431568f9440

  • SHA1

    5608aef2e5b974300fd0666c58733210dd0991bf

  • SHA256

    ad51d198487e14e14e004c4ec9ebc79e726991042a216965fcf2da1a26886dbb

  • SHA512

    6e0420cef341c32075040bf3d11fbd01ee11c3b30abd87b7ff03fd9834d85ea06fa7461276be0761aed8118841c11865b6d927926a8a9e0c468c2ae0afa1dee1

  • SSDEEP

    49152:zPE6vXDUOYQMqclLb0wsXuhXabboP4ACQDAknmCwlzI8ndVyw+AZ/WY4N2WwW/KN:LFvXfMFLbSXuhXa/oP4ACYAknmCMICy+

Malware Config

Signatures

  • 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 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 SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9f90cfe72b7e6f43d8d9431568f9440N.exe
    "C:\Users\Admin\AppData\Local\Temp\f9f90cfe72b7e6f43d8d9431568f9440N.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1940

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/1940-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1940-7-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1940-5-0x00000000008F0000-0x0000000000B98000-memory.dmp

    Filesize

    2.7MB