Analysis

  • max time kernel
    145s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 22:30

General

  • Target

    6ddc09010138d0e4b598e3a9b0899584ce72c2db37f30a7a7ef629cc1f78825f.exe

  • Size

    256KB

  • MD5

    4ca46b23cc9a7101c5664db51284c5ce

  • SHA1

    ab9ec13b62f894ee494334c4a9a4eb6ddc021a51

  • SHA256

    6ddc09010138d0e4b598e3a9b0899584ce72c2db37f30a7a7ef629cc1f78825f

  • SHA512

    9104eb5dd6a0693263de63c89d5b80000a475a7396f143b09e65dbe67fe7e251aec6d5e491f3cccce1139d33c53bb26966711c0ca496bbb6f3c0ead9c016b9d5

  • SSDEEP

    6144:23sWKxQ5Y+FHdLYKvzyZNGX/IupI2s2BV+UdvrEFp7hKUwzHNe2:2c7f32BjvrEH7jwzHk2

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 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 14 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ddc09010138d0e4b598e3a9b0899584ce72c2db37f30a7a7ef629cc1f78825f.exe
    "C:\Users\Admin\AppData\Local\Temp\6ddc09010138d0e4b598e3a9b0899584ce72c2db37f30a7a7ef629cc1f78825f.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • 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:1880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/1880-26-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-7-0x000000000040E000-0x0000000000411000-memory.dmp

    Filesize

    12KB

  • memory/1880-14-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-15-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1880-18-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-21-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-22-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1880-25-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-13-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-29-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-35-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1880-38-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-39-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1880-40-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-41-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-45-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1880-46-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB