Analysis

  • max time kernel
    117s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    28/07/2024, 00:38

General

  • Target

    24c51943434f7d1e1ebee9b28ac4bb60N.exe

  • Size

    6.7MB

  • MD5

    24c51943434f7d1e1ebee9b28ac4bb60

  • SHA1

    04169f86df23eb56dc1912946279c5d34fb599bb

  • SHA256

    68376e8b95c6cf712646089a0ab019a8623020948ca5b523f5e2e161d6ec3327

  • SHA512

    98fc081ae1130979697fb6e9ae88f015f4287f7c7e1236df35aa6389a3bdb14fc3bd63501e3e02ebfa453a1e92609455a0ec78279e122b8692f5c94b4b9bd0cb

  • SSDEEP

    98304:BEsQNFaQmc8mDBPCAioOdcMpxhryv19HH9Nb:akQWmDFCAaryzD

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 9 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24c51943434f7d1e1ebee9b28ac4bb60N.exe
    "C:\Users\Admin\AppData\Local\Temp\24c51943434f7d1e1ebee9b28ac4bb60N.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:2708
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2776

    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/2708-25-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2708-3-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2708-15-0x0000000000400000-0x0000000000B93000-memory.dmp

            Filesize

            7.6MB

          • memory/2708-16-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2708-19-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2708-20-0x0000000000400000-0x0000000000B93000-memory.dmp

            Filesize

            7.6MB

          • memory/2708-21-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2708-24-0x0000000000400000-0x0000000000B93000-memory.dmp

            Filesize

            7.6MB

          • memory/2708-12-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2708-11-0x0000000000400000-0x0000000000B93000-memory.dmp

            Filesize

            7.6MB

          • memory/2708-29-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2708-28-0x0000000000400000-0x0000000000B93000-memory.dmp

            Filesize

            7.6MB

          • memory/2708-33-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2708-32-0x0000000000400000-0x0000000000B93000-memory.dmp

            Filesize

            7.6MB

          • memory/2708-34-0x0000000000400000-0x0000000000B93000-memory.dmp

            Filesize

            7.6MB

          • memory/2708-36-0x0000000000400000-0x0000000000B93000-memory.dmp

            Filesize

            7.6MB

          • memory/2708-38-0x0000000000400000-0x0000000000B93000-memory.dmp

            Filesize

            7.6MB

          • memory/2708-40-0x0000000000400000-0x0000000000B93000-memory.dmp

            Filesize

            7.6MB

          • memory/2708-42-0x0000000000400000-0x0000000000B93000-memory.dmp

            Filesize

            7.6MB