Analysis

  • max time kernel
    145s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/07/2024, 00:57

General

  • Target

    2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe

  • Size

    35.2MB

  • MD5

    5198d9055eb666dd62c3da4c543f8c95

  • SHA1

    f97ac0ee8f4a1d0f643336fb72f43c6ba2cbad9b

  • SHA256

    1c7ce73f2c7f54916b00aeefc4f423e364411782e6e239f2f74417806a293a49

  • SHA512

    aece22ba864ea75abbccf5f2f9713ca4c3cadedce3d3a624cc0aede1eb13bf693928e4e95c146ca0ac3d166e28f010332cd6da51b86d1989c99a4fcca7ccf8f8

  • SSDEEP

    196608:Gs1X7ZCXnao5D9P9CEaSfi7fkElaucB+MJrfcWx1yl02CCunv/YjDF+JUvkxgzNA:Gs1QXFKSfi7cElYutvkxCEdDGm5hz

Malware Config

Signatures

  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Detects Floxif payload 1 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 3 IoCs
  • UPX packed file 3 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
  • Program crash 1 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-28_5198d9055eb666dd62c3da4c543f8c95_bkransomware_floxif_hijackloader_icedid.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
    PID:3964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 424
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:1128
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3964 -ip 3964
    1⤵
    • Loads dropped DLL
    PID:4648

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

        • memory/3964-2-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/3964-7-0x000000007FC80000-0x000000007FE47000-memory.dmp

          Filesize

          1.8MB

        • memory/3964-13-0x000000007FC80000-0x000000007FE47000-memory.dmp

          Filesize

          1.8MB

        • memory/3964-14-0x000000007FC80000-0x000000007FE47000-memory.dmp

          Filesize

          1.8MB

        • memory/3964-6-0x000000006620F000-0x0000000066212000-memory.dmp

          Filesize

          12KB

        • memory/3964-22-0x0000000066200000-0x0000000066258000-memory.dmp

          Filesize

          352KB

        • memory/3964-24-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB