Analysis

  • max time kernel
    138s
  • max time network
    151s
  • 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, 05:37

General

  • Target

    e6dbdfbf3cc4371c2914e4c0690cd96e0374bb9e8ab837cee0688fa495fbe71b.exe

  • Size

    646KB

  • MD5

    6a619852dc9c923b1e7ba485bc7e35d6

  • SHA1

    db0e22fe39bbb353d427614343cb101a22ee6f1a

  • SHA256

    e6dbdfbf3cc4371c2914e4c0690cd96e0374bb9e8ab837cee0688fa495fbe71b

  • SHA512

    d3dfeb98c1b18b3d65487963e028e1c64e2006f2f535f8f91d2ca8ad486f8de173c5d611a0ad61cde4b0ef8a4ce29364a8feda8cf8afbdbd859fbb1d5442de1d

  • SSDEEP

    12288:zmUam0p4afwN6x+gMjq+qa6Whi32yQXvyHWExHg+WfXGyABjvrEH7ji5:zmZm0h+gnCy2V/LeCSrEH7ji5

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 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6dbdfbf3cc4371c2914e4c0690cd96e0374bb9e8ab837cee0688fa495fbe71b.exe
    "C:\Users\Admin\AppData\Local\Temp\e6dbdfbf3cc4371c2914e4c0690cd96e0374bb9e8ab837cee0688fa495fbe71b.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4232
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 528
      2⤵
      • Program crash
      PID:4856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 596
      2⤵
      • Program crash
      PID:1584
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4232 -ip 4232
    1⤵
      PID:3452
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4232 -ip 4232
      1⤵
        PID:4952

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files\Common Files\System\symsrv.dll

              Filesize

              67KB

              MD5

              7574cf2c64f35161ab1292e2f532aabf

              SHA1

              14ba3fa927a06224dfe587014299e834def4644f

              SHA256

              de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

              SHA512

              4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

            • memory/4232-1-0x0000000000406000-0x0000000000407000-memory.dmp

              Filesize

              4KB

            • memory/4232-5-0x0000000010000000-0x0000000010030000-memory.dmp

              Filesize

              192KB

            • memory/4232-7-0x0000000000400000-0x00000000007C5000-memory.dmp

              Filesize

              3.8MB

            • memory/4232-9-0x0000000010000000-0x0000000010030000-memory.dmp

              Filesize

              192KB