Analysis

  • max time kernel
    146s
  • max time network
    138s
  • 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, 12:29

General

  • Target

    549c33c13f2a0b44eaa7067c07d6ac0220251d99e56337b615aefaad7bd55153.exe

  • Size

    2.5MB

  • MD5

    307eb5a0dd1d6f2cda15c61d8924b290

  • SHA1

    5731f812a2a59ec6fd122e7b669c7b6b1847f2c9

  • SHA256

    549c33c13f2a0b44eaa7067c07d6ac0220251d99e56337b615aefaad7bd55153

  • SHA512

    c39a2c7e5ac15ddbad6b014330bd997f7b2a692e23675fed7782762bdbf926cc4b788ec0856eed8fd54102cbe32353ba7b407fea694bfcfba717cb97011d11e9

  • SSDEEP

    49152:suIIKkofs2hPd2l177BTK2VbDsar1YDjF:sjhfs2hPIl1/O

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 7 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 1 IoCs
  • Program crash 3 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\549c33c13f2a0b44eaa7067c07d6ac0220251d99e56337b615aefaad7bd55153.exe
    "C:\Users\Admin\AppData\Local\Temp\549c33c13f2a0b44eaa7067c07d6ac0220251d99e56337b615aefaad7bd55153.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:1008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 920
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 840
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:1780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 944
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4444
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1008 -ip 1008
    1⤵
    • Loads dropped DLL
    PID:1560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1008 -ip 1008
    1⤵
    • Loads dropped DLL
    PID:4456
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1008 -ip 1008
    1⤵
    • Loads dropped DLL
    PID:1064

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/1008-4-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1008-6-0x00000000009E1000-0x00000000009E2000-memory.dmp

          Filesize

          4KB

        • memory/1008-19-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1008-17-0x00000000009E0000-0x0000000000C4A000-memory.dmp

          Filesize

          2.4MB