Analysis

  • max time kernel
    102s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 02:24

General

  • Target
    dfe764872d0d349c808232f6fdfd890223adf19b14605ff4b124d6a3c5b65a8dN.exe
  • Size 240KB
  • Sample240927-cv2alstbmg
  • SHA256 dfe764872d0d349c808232f6fdfd890223adf19b14605ff4b124d6a3c5b65a8d
  • MD5 SHA1 SHA512 SSDEEP

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
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dfe764872d0d349c808232f6fdfd890223adf19b14605ff4b124d6a3c5b65a8dN.exe
    "C:\Users\Admin\AppData\Local\Temp\dfe764872d0d349c808232f6fdfd890223adf19b14605ff4b124d6a3c5b65a8dN.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:2200

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP

        memory/2200-4-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2200-6-0x0000000000403000-0x0000000000406000-memory.dmp

        memory/2200-12-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/2200-16-0x0000000010000000-0x0000000010030000-memory.dmp