Analysis

  • max time kernel
    21s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 05:53

General

  • Target

    6a67e5d21cdf85c83b204a430d934ec1d717f1983d16f57f41a4ab2f659d48deN.exe

  • Size

    1.2MB

  • MD5

    919b3e1e3439b67c6ea1d25dae10a450

  • SHA1

    f44760afe4411d734c99e656822b4cac680c2d5a

  • SHA256

    6a67e5d21cdf85c83b204a430d934ec1d717f1983d16f57f41a4ab2f659d48de

  • SHA512

    08f667b8a39db409b42c9892ef5552a1a17ab59bcd05c2736f1b7917a5c4b6e6bdb30a1c9f13805ac198e965fdcd5c36ca3a8b5892bb93b6a9b913b37e6953ef

  • SSDEEP

    24576:qu1k9SAU/zc/8bdl7QG5/H3qZki/Au7JXSLrEH73I:kpU/Q/el7Qg3qN/AuFBI

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates connected drives 3 TTPs 3 IoCs

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

  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a67e5d21cdf85c83b204a430d934ec1d717f1983d16f57f41a4ab2f659d48deN.exe
    "C:\Users\Admin\AppData\Local\Temp\6a67e5d21cdf85c83b204a430d934ec1d717f1983d16f57f41a4ab2f659d48deN.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 WriteProcessMemory
    PID:3016
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\HDDLLF.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\HDDLLF.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      PID:2228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp

    Filesize

    416KB

    MD5

    a800d0c9bce8f67e0bc08c2665503683

    SHA1

    f395b66d16d0d467eb54e7c63454b36a7fc43c0f

    SHA256

    5e4e6e0af264fe7c4667374b45619086ea073eb420484c707d9fdac9874ff2a1

    SHA512

    7713ac0c4b01ab85dfa78f7c17a00666b72ca39df188883faedec33fb6b3ed835f1df344184de78b7daf92b0678576cd60825c41b12f3a85870381eb088147c3

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\HDDLLF.exe

    Filesize

    2.0MB

    MD5

    951289aa81596f2a71ae683555e42593

    SHA1

    96546a718568ab585ed6c6fb9609ee273d08947d

    SHA256

    0ede7550c8b8985663e774a0bbbf7088acdce123bcdb8c61cbc037f0f8a8b525

    SHA512

    81599fde4bde2178329e76cebb56072f5d5b9565540f63ba9a0575bfca1536b0951c390c06283d6b8d9128de39b8c3f9a0ca45590daff447fedbebb736a3df1b

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\llftool.license

    Filesize

    19B

    MD5

    c9076d10147c59f10993459ce937a95d

    SHA1

    14ce07b6f9926d803d04d35bbb58ccd0f4165261

    SHA256

    126664769f688e46b267c9ec88c4fdbe2ed3ec072cf4046a35d67ed9bc8db54d

    SHA512

    6b63d4bdafcae461026d69bb63fce3713e6617f0a1036b2c886e3dd4ce02019f2b4d21a88114233daf34d08fc1b96ed235041b858f7a4cb1f502097bbc084a24

  • \Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp

    Filesize

    416KB

    MD5

    3530a90becf69d8b5b32f6f8316e778f

    SHA1

    20b5d595e7a533cba4f0a183bc701f70bfa46c17

    SHA256

    434b1fda2a926d1ec6e58e7fa275b32eed386e5a7e819913e2e201df5015aefb

    SHA512

    101e5fa9fb309d359bb1af103bfdeeacac371db27b45b6fb67fb23e84331ff6135dd169421dc1dc2778f23244f445e5f06894c8e4b00e9440a8d4c6dcd786fda

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2228-33-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2228-51-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/3016-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3016-3-0x000000000041D000-0x000000000041E000-memory.dmp

    Filesize

    4KB

  • memory/3016-6-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/3016-55-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/3016-54-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB