Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2024, 23:22

General

  • Target
    2024-09-02_025a2ebee6f7fa6c125780d6f9576cf1_floxif_icedid.exe
  • Size 6.8MB
  • Sample240902-3cnvnszfmp
  • SHA256 d54b1ea8df51b0fda87d3821ee0a5379c0846339932a3b5fc4da3410be342ae4
  • MD5 SHA1 SHA512 SSDEEP

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 6 IoCs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-02_025a2ebee6f7fa6c125780d6f9576cf1_floxif_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-02_025a2ebee6f7fa6c125780d6f9576cf1_floxif_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
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\Temp\geek64.exe
      C:\Users\Admin\AppData\Local\Temp\geek64.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1424

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP

        symsrv.dll.000

        • Path C:\Program Files\Common Files\System\symsrv.dll.000
        • Size 175B
        • SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
        • MD5 SHA1 SHA512

        geek64.exe

        • Path C:\Users\Admin\AppData\Local\Temp\geek64.exe
        • Size 3.7MB
        • SHA256 b8d968872fe7ed8de7eeb89ff6e1ce2029521f7c744c088ae2c4807b396d28ae
        • MD5 SHA1 SHA512 SSDEEP

        memory/1860-27-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1860-23-0x0000000075970000-0x00000000759D3000-memory.dmp

        memory/1860-26-0x0000000075970000-0x00000000759D3000-memory.dmp

        memory/1860-22-0x0000000075985000-0x0000000075986000-memory.dmp

        memory/1860-29-0x0000000075985000-0x0000000075986000-memory.dmp

        memory/1860-30-0x0000000075970000-0x00000000759D3000-memory.dmp

        memory/1860-33-0x0000000075970000-0x00000000759D3000-memory.dmp

        memory/1860-34-0x0000000075970000-0x00000000759D3000-memory.dmp

        memory/1860-37-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1860-3-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1860-42-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1860-48-0x0000000010000000-0x0000000010030000-memory.dmp