Analysis

  • max time kernel
    92s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2024 23:55

General

  • Target

    d279fb4121b6a7e552133823a497b4d2502b1494bc0864e2c8689fe92eef7fd7.exe

  • Size

    32.2MB

  • MD5

    cb3eb826c1c6e385209f0be254c03dfc

  • SHA1

    abbf755333db672605802aa1ebaf3b1f2f0fdb6b

  • SHA256

    d279fb4121b6a7e552133823a497b4d2502b1494bc0864e2c8689fe92eef7fd7

  • SHA512

    b448c6fbd518cc3e146974b3f823412caa5229a3971c15a7d445b30a6ef8a92eb5e1db43e53ad0fa8c03705fc3ac0eea66b458108b11aff3d082e864a1f580b8

  • SSDEEP

    786432:BzH0kJTHa3EEITUJRAikwZbvQBnOtNsf2jd8AwvDkQ7rt3A+6x:BNFarIIGirZDAZf2j+LDl7rtY

Malware Config

Signatures

  • Floxif family
  • 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\d279fb4121b6a7e552133823a497b4d2502b1494bc0864e2c8689fe92eef7fd7.exe
    "C:\Users\Admin\AppData\Local\Temp\d279fb4121b6a7e552133823a497b4d2502b1494bc0864e2c8689fe92eef7fd7.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:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2884-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2884-5-0x0000000000409000-0x000000000040A000-memory.dmp

    Filesize

    4KB

  • memory/2884-11-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2884-12-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2884-13-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB