Analysis

  • max time kernel
    93s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2024, 22:22

General

  • Target

    2024-12-11_9369bc01a1e2ea011a03c4cafe07ff43_floxif_mafia.exe

  • Size

    2.7MB

  • MD5

    9369bc01a1e2ea011a03c4cafe07ff43

  • SHA1

    5442ca6feaf0d95d578f7a44c17243fd3d68bc49

  • SHA256

    19c2ed6ca8ebf903d833148b97bff36191c6ceaaafb4f165980a5b26590cb5d0

  • SHA512

    b75fa13a8dc9a966d0038345fd6e593d3a90181bf215d904269629da444d70ac833081d3acdf7d19b99319c7a7d0089ac48cb571b57933def81ad2c983d4f1f7

  • SSDEEP

    49152:Zjk1Qb8pVW6FmfwPyXqf/9DqpwkAbtKSaJ/wS8eYxjCHEcbQrftrJK7DTjvoTbJC:aQb2Fm2yUtqpwkAbtKSaJISvYvcbSft2

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 6 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-11_9369bc01a1e2ea011a03c4cafe07ff43_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-11_9369bc01a1e2ea011a03c4cafe07ff43_floxif_mafia.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
    • Suspicious use of SetWindowsHookEx
    PID:4948

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

  • C:\Users\Admin\AppData\Local\SoftThinks\scheduler.xml

    Filesize

    1KB

    MD5

    44cb8346759d6095f6dd8fbc089ba64c

    SHA1

    7065226769436382f617f0c56986a6748aab854a

    SHA256

    7675f3cad2d0a8658833a2e40e11f98c6d975da7b32aec42a761d383afbd3811

    SHA512

    e8071c1360c8e38ede478a7fba7a8136b4d70cde077c999772be132be9b3cc31aa38e7dd9cd47009b9f060e81cd8453e0bf75c02f6641a24fdf1a9be48f0f34b

  • memory/4948-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4948-6-0x00000000002A1000-0x00000000002A2000-memory.dmp

    Filesize

    4KB

  • memory/4948-30-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4948-31-0x00000000002A0000-0x000000000054A000-memory.dmp

    Filesize

    2.7MB

  • memory/4948-38-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4948-44-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4948-53-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4948-51-0x00000000002A0000-0x000000000054A000-memory.dmp

    Filesize

    2.7MB