Analysis

  • max time kernel
    120s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 23:21

General

  • Target

    732beefbcc3630ae048e0673d55ef32124aab2ec8d5dedb2ff0b3fe4176d1e1dN.exe

  • Size

    1.1MB

  • MD5

    09196bf38b7e7c30223d22ee5ba004e0

  • SHA1

    56df6c823f63706b1a6f62a67c83a7ee5b0ba7b0

  • SHA256

    732beefbcc3630ae048e0673d55ef32124aab2ec8d5dedb2ff0b3fe4176d1e1d

  • SHA512

    f57ef26db932ad5d158be79e4a67b874ff63b72518fe0b8f00584d74087a1f249165a21c97ce820ca8b8ddcf98049e1fc9ec4d738952e53f8f30689822f0c129

  • SSDEEP

    24576:BFAEOyYGk+XykBveZwVDqCAS1lGpPLkSInpFQK8bszGrEH73:B9+1+X/YP61lEQBFQKZN

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 21 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\732beefbcc3630ae048e0673d55ef32124aab2ec8d5dedb2ff0b3fe4176d1e1dN.exe
    "C:\Users\Admin\AppData\Local\Temp\732beefbcc3630ae048e0673d55ef32124aab2ec8d5dedb2ff0b3fe4176d1e1dN.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:2656
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x150 0x3d4
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:372

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\Temp\A1D26E2\B2B672CA60.tmp

    Filesize

    1.0MB

    MD5

    7c64829c548f88223b33738673e05575

    SHA1

    34ebf3d6204e0716a5b2c1af60f51e687e5c4995

    SHA256

    745fe3cf3192d5615f862f4f566ff0e30dab3fb361b0903f3a1f3e852b07dfe6

    SHA512

    db3c81ecdbbb7e5bf9ba9369aa299761d1e804ea48fbc208c788c8a4435c15bc262799c5bde27d96b614e7ed7d04b8dabac245add4d09e87c5891fcfe5ccb73d

  • memory/2656-633-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2656-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2656-179-0x0000000076C60000-0x0000000076CC3000-memory.dmp

    Filesize

    396KB

  • memory/2656-198-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-199-0x0000000076C60000-0x0000000076CC3000-memory.dmp

    Filesize

    396KB

  • memory/2656-232-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2656-329-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2656-328-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-477-0x0000000076C60000-0x0000000076CC3000-memory.dmp

    Filesize

    396KB

  • memory/2656-0-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-632-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-49-0x0000000076C75000-0x0000000076C76000-memory.dmp

    Filesize

    4KB

  • memory/2656-811-0x0000000076C60000-0x0000000076CC3000-memory.dmp

    Filesize

    396KB

  • memory/2656-972-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-973-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2656-1295-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-1617-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-1939-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-2261-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-2582-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-2907-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2656-2906-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-3196-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2656-3518-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB