Analysis

  • max time kernel
    115s
  • max time network
    101s
  • 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 03:50

General

  • Target

    79e42e8d362b0753459ba28408c236b0N.exe

  • Size

    4.7MB

  • MD5

    79e42e8d362b0753459ba28408c236b0

  • SHA1

    4478cb385bbf4d223372d56f28fccc9ce69d61ac

  • SHA256

    7826e53099bb1234eb2acd3f352378628013b94cc1a059169dcd8339d102075d

  • SHA512

    a530e15bc881edf4456aed1e0d6af0d28c9210d2731e32650368a7c4f76c7a5bd23505d616a26f1f9152e29fa21993df7bdaec28f92590cf4344fb6763410403

  • SSDEEP

    98304:vRPvM3zRROOBdbB0QqkFLQB6NzeTylpLXeMgF:ZHMDRRtrbB0Q1WTylc

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.

  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79e42e8d362b0753459ba28408c236b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\79e42e8d362b0753459ba28408c236b0N.exe"
    1⤵
    • Identifies Wine through registry keys
    • 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:3308

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\8397118CCEC.tmp

    Filesize

    4.6MB

    MD5

    8139aa55afd3bc05502277c2c38c36f5

    SHA1

    aa02bea9559cb8bb9a3380506ea554b07347ac95

    SHA256

    0e71b0b2be14ecec08c544af6d25eb67cba5ce2a268b0667d1e64970fe36bfd5

    SHA512

    e7f960253e980e4fea3cf622603c3a1fdad7e27c9d16cb96dc270ec1957f228232a82a30c5e84f0109ad0d6c3500c157fb6b99d7d25f13941b5f3014aca3f048

  • C:\Users\Admin\AppData\Roaming\uTorrent\settings.dat.old

    Filesize

    7KB

    MD5

    ab52722a63b28c30943ac3e2f9aa9b57

    SHA1

    88c2aa7ad894386e838b0b96cefe164e010735ab

    SHA256

    9f682be01af8c1641bfdf08fa91f05c75ee4b4d02ea38a2fe24d5dd55caf8c7b

    SHA512

    c000a25d39c485914f94bf30b81b108c5500e762bdcc1b39eae7f7cdaa25a5ec170befa1ae491321c799d4d3cdf9a79c0599c343fa41d043fc9caad644886750

  • C:\Users\Admin\AppData\Roaming\uTorrent\toolbar.benc.new

    Filesize

    231B

    MD5

    1cda5503e74f672c3affe109b6bde393

    SHA1

    514283a5b5cf53c218ce4d53b1a8d38d4f2a9667

    SHA256

    ffe5bcba6dac90958524e5b4ba06e0a03707a46cbf7d92af505ca77a61dc8967

    SHA512

    fa5f127bfb79564a4f37dbf4fdf4a044b916d12caebbcce1347901467dfd89bc06c07a754fcc4354db5fd0c2246c313b30a9542fb2aadebcc3cd2d8d4ef67066

  • memory/3308-50-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-54-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-6-0x0000000000575000-0x0000000000578000-memory.dmp

    Filesize

    12KB

  • memory/3308-40-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-41-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3308-42-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3308-43-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-44-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-45-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-48-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-49-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-0-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-53-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-31-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-55-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3308-56-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-57-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3308-60-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-61-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-62-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-65-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-66-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-67-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3308-68-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-69-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-70-0x0000000000400000-0x00000000008E6000-memory.dmp

    Filesize

    4.9MB

  • memory/3308-76-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB