Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 03:10

General

  • Target

    6332a9fe8d5a2b2efd3e6941a38acdea96bdf0bbea98489348bb15c294f3757e.exe

  • Size

    1.5MB

  • MD5

    d51c05098123b6a339732b22a132eafd

  • SHA1

    b3be12feb000889d679ecf9b3204b475b3952be7

  • SHA256

    6332a9fe8d5a2b2efd3e6941a38acdea96bdf0bbea98489348bb15c294f3757e

  • SHA512

    99712abbe930f9d52fe01df6690b16bb8b0b458dd547369ef1e52270bf770ebde4b2fce5a57c98b1dbad380d6b9213a8adad0ba4ccb891337a7a4ac462579365

  • SSDEEP

    24576:rtRknPcg8xjdu9Hi0KqTlUGlUqImTpA6JV8mi0pd0eNX7O7y17yFwjNudT:rtd3YpBTGMPpHbpd0eNXS7y17yEudT

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

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 4 IoCs
  • UPX packed file 30 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 49 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:1204
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1240
          • C:\Users\Admin\AppData\Local\Temp\6332a9fe8d5a2b2efd3e6941a38acdea96bdf0bbea98489348bb15c294f3757e.exe
            "C:\Users\Admin\AppData\Local\Temp\6332a9fe8d5a2b2efd3e6941a38acdea96bdf0bbea98489348bb15c294f3757e.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Writes to the Master Boot Record (MBR)
            • Drops autorun.inf file
            • Drops file in System32 directory
            • 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 WriteProcessMemory
            • System policy modification
            PID:2736
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1364
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
            1⤵
              PID:2692

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\bgeb.exe

              Filesize

              97KB

              MD5

              077a98db469d47d2e6e984ce09898c45

              SHA1

              3b21f39c9974e20f4db6deb61a51b47394604c0e

              SHA256

              d2618053661a3cc774eafca67ca1839d307209e049297fbaca63bfce5d42ccf9

              SHA512

              5fa78472e2f9456d72752f2344e802d88f18517dd467e03142504e381967f8d9dbd247e2e19c94cca362a784e02c08b4b4995b87592e66a48243fda40d8cbf8e

            • memory/1104-19-0x0000000001C60000-0x0000000001C62000-memory.dmp

              Filesize

              8KB

            • memory/2736-13-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-12-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-1-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-39-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-30-0x0000000004820000-0x0000000004821000-memory.dmp

              Filesize

              4KB

            • memory/2736-42-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-27-0x0000000003EE0000-0x0000000003EE2000-memory.dmp

              Filesize

              8KB

            • memory/2736-38-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-11-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-32-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-4-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-10-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-9-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-35-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-36-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-5-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-34-0x00000000002B0000-0x00000000002B1000-memory.dmp

              Filesize

              4KB

            • memory/2736-33-0x0000000003EE0000-0x0000000003EE2000-memory.dmp

              Filesize

              8KB

            • memory/2736-0-0x0000000000400000-0x000000000058C000-memory.dmp

              Filesize

              1.5MB

            • memory/2736-37-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-31-0x0000000003EE0000-0x0000000003EE2000-memory.dmp

              Filesize

              8KB

            • memory/2736-3-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-28-0x0000000004820000-0x0000000004821000-memory.dmp

              Filesize

              4KB

            • memory/2736-43-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-44-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-45-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-46-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-60-0x0000000005530000-0x0000000005532000-memory.dmp

              Filesize

              8KB

            • memory/2736-64-0x0000000005530000-0x0000000005532000-memory.dmp

              Filesize

              8KB

            • memory/2736-63-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-59-0x0000000005950000-0x0000000005951000-memory.dmp

              Filesize

              4KB

            • memory/2736-66-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-69-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-70-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-74-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-73-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-77-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-79-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-80-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-6-0x0000000001FB0000-0x000000000306A000-memory.dmp

              Filesize

              16.7MB

            • memory/2736-154-0x0000000000400000-0x000000000058C000-memory.dmp

              Filesize

              1.5MB