Analysis

  • max time kernel
    117s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 02:10

General

  • Target

    6183c92045109d887389ab57f4edbe2734b22571d8cdeeeafb3bfbf80b2425ddN.exe

  • Size

    463KB

  • MD5

    71575e38eb49cddf2ed4065dcfbf6ce0

  • SHA1

    6aa484d388eb66cdf5ebdbfc5d310173055e6331

  • SHA256

    6183c92045109d887389ab57f4edbe2734b22571d8cdeeeafb3bfbf80b2425dd

  • SHA512

    9449b2625ee6005f5a0e303d079e4b168b9b05850aada6b4be3961e1ca178efbba37b395fb202260a349a6959a97222eeab3b1c32af6d779f3371173787da786

  • SSDEEP

    12288:pmCR4yPv68Nq9hllPciV0oSLewYBjvrEH7x:3lkXvcFqrEH7x

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
  • 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 25 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6183c92045109d887389ab57f4edbe2734b22571d8cdeeeafb3bfbf80b2425ddN.exe
    "C:\Users\Admin\AppData\Local\Temp\6183c92045109d887389ab57f4edbe2734b22571d8cdeeeafb3bfbf80b2425ddN.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:3736
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\bcdedit.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4564
      • C:\Windows\system32\bcdedit.exe
        C:\Windows\SysNative\bcdedit.exe
        3⤵
          PID:3068

    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/3736-14-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-0-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-32-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-13-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-33-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-17-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3736-19-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3736-35-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3736-25-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-26-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3736-4-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3736-29-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-12-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-6-0x000000000049F000-0x00000000004A2000-memory.dmp

      Filesize

      12KB

    • memory/3736-22-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-36-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-37-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-39-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-41-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-43-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-45-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-48-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3736-47-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-49-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/3736-51-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB