Analysis

  • max time kernel
    116s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 02:53

General

  • Target

    01ca7649ed438a9feb0cc32a2d206257ab43530c28accf87f3fc3d505f4d2f2dN.exe

  • Size

    373KB

  • MD5

    fb8840ac035c8dbc71e1ee863e9d8da0

  • SHA1

    d665d3b214489c033c0aaa9877e9b25528cedd9a

  • SHA256

    01ca7649ed438a9feb0cc32a2d206257ab43530c28accf87f3fc3d505f4d2f2d

  • SHA512

    085f748aef573c3f12de67a749ff11bf85a754a3a7afef446093c054ddaa4ceed4e01170b880c81cf75979ba88fb4a432019a10efda6929802b57518245c086a

  • SSDEEP

    6144:8qV54oUeSsMY3j0cI7IylF2EHJ8Sj6vzHrh8wDVU3wMs9ZhW4BV+UdvrEFp7hKy:8qV5dU7oTW7IEF5J87vzLh8aVJG4Bjv0

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
  • 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
  • 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 10 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.

  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01ca7649ed438a9feb0cc32a2d206257ab43530c28accf87f3fc3d505f4d2f2dN.exe
    "C:\Users\Admin\AppData\Local\Temp\01ca7649ed438a9feb0cc32a2d206257ab43530c28accf87f3fc3d505f4d2f2dN.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • C:\Program Files\Common Files\System\symsrv.dll.000

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

  • memory/4828-18-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4828-7-0x0000000002A80000-0x0000000002A81000-memory.dmp

    Filesize

    4KB

  • memory/4828-8-0x00000000004A0000-0x00000000004A3000-memory.dmp

    Filesize

    12KB

  • memory/4828-15-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/4828-0-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/4828-19-0x0000000002A80000-0x0000000002A81000-memory.dmp

    Filesize

    4KB

  • memory/4828-20-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/4828-21-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4828-27-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4828-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4828-33-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4828-45-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB