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Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13/08/2024, 19:22

General

  • Target

    2b5e1997f1026570d8db38cfeb5618bcc09e2298d865b044b4f67e8390f1d279.exe

  • Size

    458KB

  • MD5

    8de9fe2c9de2d9dca0558ef1ed3f1a37

  • SHA1

    ca5f72592a95218a16e81bf51943fd9c96a88b86

  • SHA256

    2b5e1997f1026570d8db38cfeb5618bcc09e2298d865b044b4f67e8390f1d279

  • SHA512

    58feadee3216f79a54ca07b054b79f6a7ba94d8ad1aac5cb5ad27fdc72be2dfc20db01010ca7c578b93c33a053f1a6255e3b95a3b9dab7d9dd1fbef844456760

  • SSDEEP

    12288:B6ykouJZdyb2SkyGhd5ocRViolXjX4BjvrEH7MH:Qyjmoky85DRgolXj6rEH7MH

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.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 2 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b5e1997f1026570d8db38cfeb5618bcc09e2298d865b044b4f67e8390f1d279.exe
    "C:\Users\Admin\AppData\Local\Temp\2b5e1997f1026570d8db38cfeb5618bcc09e2298d865b044b4f67e8390f1d279.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2420

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/2420-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2420-5-0x0000000000403000-0x0000000000406000-memory.dmp

    Filesize

    12KB

  • memory/2420-11-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2420-13-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB