Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2024 04:22

General

  • Target

    2024-08-16_3e44ae0c6620fba7435f0bd9a65cf632_floxif_icedid.exe

  • Size

    652KB

  • MD5

    3e44ae0c6620fba7435f0bd9a65cf632

  • SHA1

    eff1e2cbe9c6bd0e1a6d555474eac06788206d4b

  • SHA256

    c119b249fc0b3115369a88115022e0541aa7e9d1647e1c1633765a095f4bbf0a

  • SHA512

    e7a517307a694a75ed0477721009968dfa47a3035924856c306c3a90f041e64931eeccd3c92b01aea158741d17e7dfc17eeb86b1a85aef06686c52c50470d4d5

  • SSDEEP

    12288:6c3o//sNIwQ8zff9dIU82DbQFL+mh4zBjvrEH73d:6L8Tf922DkFL+yerEH73d

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Floxif, Floodfix

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

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Detects Floxif payload 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • 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 1 IoCs
  • UPX packed file 22 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Users\Admin\AppData\Local\Temp\2024-08-16_3e44ae0c6620fba7435f0bd9a65cf632_floxif_icedid.exe
            "C:\Users\Admin\AppData\Local\Temp\2024-08-16_3e44ae0c6620fba7435f0bd9a65cf632_floxif_icedid.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Disables RegEdit via registry modification
            • Loads dropped DLL
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2420
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1320

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            67KB

            MD5

            7574cf2c64f35161ab1292e2f532aabf

            SHA1

            14ba3fa927a06224dfe587014299e834def4644f

            SHA256

            de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

            SHA512

            4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

          • memory/1104-13-0x0000000000410000-0x0000000000412000-memory.dmp

            Filesize

            8KB

          • memory/2420-25-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-11-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-10-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-21-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2420-20-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2420-4-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2420-9-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-12-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-24-0x00000000003D0000-0x00000000003D1000-memory.dmp

            Filesize

            4KB

          • memory/2420-26-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2420-30-0x0000000000421000-0x0000000000424000-memory.dmp

            Filesize

            12KB

          • memory/2420-29-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-27-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-28-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2420-64-0x0000000000400000-0x000000000048E000-memory.dmp

            Filesize

            568KB

          • memory/2420-6-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-8-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-36-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-35-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-37-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-38-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-39-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-41-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-43-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2420-42-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-44-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-45-0x0000000002BA0000-0x0000000003C2E000-memory.dmp

            Filesize

            16.6MB

          • memory/2420-54-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2420-65-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2420-0-0x0000000000400000-0x000000000048E000-memory.dmp

            Filesize

            568KB