Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2024, 15:58

General

  • Target

    356ef5809f6cc59fe8fc235227cf7d0a.exe

  • Size

    127KB

  • MD5

    356ef5809f6cc59fe8fc235227cf7d0a

  • SHA1

    9497dea7027eb424be81bb0ce8e9d2ca29c641b8

  • SHA256

    5b115902317031ba82b5243375ebb7f05df86e300e7d7bca993fd0d418938dca

  • SHA512

    6cdbbb003ce8337cccaa1c2cc6fa0248fd9802c0854c94377961112e98fe3a349ae3387fe9a9ab9bc2b6beb000165d164d2c00a66a39f7707cb84b33707aea02

  • SSDEEP

    3072:DK0qv+pw/MLaC2h84wSHda5aNP4GQjAkxnqNSaBH:RqvO9LaCbSA5ggQkxnPal

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

  • Modifies firewall policy service 2 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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 31 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 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    1⤵
      PID:1720
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1420
        • C:\Users\Admin\AppData\Local\Temp\356ef5809f6cc59fe8fc235227cf7d0a.exe
          "C:\Users\Admin\AppData\Local\Temp\356ef5809f6cc59fe8fc235227cf7d0a.exe"
          2⤵
          • Modifies firewall policy service
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Windows security modification
          • Checks whether UAC is enabled
          • Enumerates connected drives
          • Drops autorun.inf file
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:2644
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1376
        • C:\Windows\system32\taskhost.exe
          "taskhost.exe"
          1⤵
            PID:1276

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\cgfopb.exe

            Filesize

            100KB

            MD5

            5bde994e435f544678ba1ab515bb4776

            SHA1

            a6e484fd9a58d825c3f1816e4927a6f627d1bac9

            SHA256

            8cbea9528654728f433b25ae732f3b2e37e0b4d0aaa7d39229bc9802de21794b

            SHA512

            0128fa5eb08b46a97b5b3b6c5b9564ed85712f40cebfb56d5672787ccbd24873150a791eb44f8f6c5b8e4fb5187369712a78914d93777d77896abc8c78596d00

          • memory/1276-6-0x0000000001BC0000-0x0000000001BC2000-memory.dmp

            Filesize

            8KB

          • memory/2644-33-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-37-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-5-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-9-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-16-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2644-38-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-14-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-20-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2644-22-0x0000000000420000-0x0000000000421000-memory.dmp

            Filesize

            4KB

          • memory/2644-21-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-23-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-24-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-25-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-26-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-27-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-28-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-0-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/2644-34-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-4-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-36-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-17-0x0000000000420000-0x0000000000421000-memory.dmp

            Filesize

            4KB

          • memory/2644-40-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-42-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-44-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-48-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-49-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-50-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-52-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-53-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-54-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2644-57-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-58-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-64-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-65-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-70-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-72-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB

          • memory/2644-2-0x0000000001DD0000-0x0000000002E5E000-memory.dmp

            Filesize

            16.6MB