Analysis

  • max time kernel
    116s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 23:25

General

  • Target

    1e151420e7d4588d540192e63a590200N.exe

  • Size

    2.5MB

  • MD5

    1e151420e7d4588d540192e63a590200

  • SHA1

    1bedd806e5b1dafb367470cf9e19748039a1a36c

  • SHA256

    f098bd5110e994f068a50ca68758c6072a7fdf16ba64304f05f3b713eb90657c

  • SHA512

    8499ced7704064f2f63cdf31bbc7cd9186aed7b50cd330eed5e63c59b4e7e3b7fa5377df188f9f29cfedd8d66c337e44642143ac828e4390046e9acfc9ee6255

  • SSDEEP

    49152:lsN4//hGtPksLFkWYHF8jGmeLhPO7GbeWPprnYB:X//BrxF8jGmeLrPPpbYB

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
  • UPX packed file 7 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e151420e7d4588d540192e63a590200N.exe
    "C:\Users\Admin\AppData\Local\Temp\1e151420e7d4588d540192e63a590200N.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:4360

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/4360-22-0x0000000004800000-0x0000000004801000-memory.dmp

    Filesize

    4KB

  • memory/4360-17-0x0000000004800000-0x0000000004801000-memory.dmp

    Filesize

    4KB

  • memory/4360-14-0x0000000003920000-0x0000000003921000-memory.dmp

    Filesize

    4KB

  • memory/4360-21-0x0000000004800000-0x0000000004801000-memory.dmp

    Filesize

    4KB

  • memory/4360-13-0x0000000003930000-0x0000000003931000-memory.dmp

    Filesize

    4KB

  • memory/4360-20-0x0000000004800000-0x0000000004801000-memory.dmp

    Filesize

    4KB

  • memory/4360-10-0x0000000001280000-0x0000000001281000-memory.dmp

    Filesize

    4KB

  • memory/4360-9-0x0000000001290000-0x0000000001291000-memory.dmp

    Filesize

    4KB

  • memory/4360-8-0x0000000002F40000-0x0000000002F41000-memory.dmp

    Filesize

    4KB

  • memory/4360-7-0x00000000037C0000-0x000000000381A000-memory.dmp

    Filesize

    360KB

  • memory/4360-28-0x00000000047F0000-0x00000000047F1000-memory.dmp

    Filesize

    4KB

  • memory/4360-27-0x0000000004800000-0x0000000004801000-memory.dmp

    Filesize

    4KB

  • memory/4360-26-0x0000000004800000-0x0000000004801000-memory.dmp

    Filesize

    4KB

  • memory/4360-25-0x0000000004800000-0x0000000004801000-memory.dmp

    Filesize

    4KB

  • memory/4360-24-0x0000000004800000-0x0000000004801000-memory.dmp

    Filesize

    4KB

  • memory/4360-23-0x0000000004800000-0x0000000004801000-memory.dmp

    Filesize

    4KB

  • memory/4360-58-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4360-15-0x0000000003940000-0x0000000003941000-memory.dmp

    Filesize

    4KB

  • memory/4360-11-0x0000000002F60000-0x0000000002F61000-memory.dmp

    Filesize

    4KB

  • memory/4360-19-0x0000000004800000-0x0000000004801000-memory.dmp

    Filesize

    4KB

  • memory/4360-18-0x0000000003350000-0x0000000003351000-memory.dmp

    Filesize

    4KB

  • memory/4360-34-0x0000000000400000-0x000000000100A000-memory.dmp

    Filesize

    12.0MB

  • memory/4360-35-0x0000000077B75000-0x0000000077B76000-memory.dmp

    Filesize

    4KB

  • memory/4360-36-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4360-37-0x00000000037C0000-0x000000000381A000-memory.dmp

    Filesize

    360KB

  • memory/4360-38-0x0000000077B60000-0x0000000077BC3000-memory.dmp

    Filesize

    396KB

  • memory/4360-41-0x0000000077B60000-0x0000000077BC3000-memory.dmp

    Filesize

    396KB

  • memory/4360-43-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4360-46-0x0000000077B60000-0x0000000077BC3000-memory.dmp

    Filesize

    396KB

  • memory/4360-47-0x0000000077B60000-0x0000000077BC3000-memory.dmp

    Filesize

    396KB

  • memory/4360-48-0x0000000077B60000-0x0000000077BC3000-memory.dmp

    Filesize

    396KB

  • memory/4360-52-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4360-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4360-0-0x0000000000400000-0x000000000100A000-memory.dmp

    Filesize

    12.0MB

  • memory/4360-70-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB