Analysis

  • max time kernel
    125s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2024 00:11

General

  • Target

    9368a238db47344ebb99f839530202cbf8fc0a4e33d11e4dd4db20655f10b19d.exe

  • Size

    65KB

  • MD5

    7a447d6a2ef82bb66881bb860da8e257

  • SHA1

    cc06df890a50a7b2749f7ebd379994cb8b7c4612

  • SHA256

    9368a238db47344ebb99f839530202cbf8fc0a4e33d11e4dd4db20655f10b19d

  • SHA512

    a9ceb7153a145297dcdd3e0a8a237038b531404a454a971f2a464cec9af522b25dc7bb29c3d639f09d66da55dc1285ed91be33557f3d47c866797b62673d5d98

  • SSDEEP

    1536:0vhoLL3JxxmPDtb1MbtUQi6/qjEgzUxpTKQhjz6Qg4:SivbxWp1MG2zgzoRKQhjzc4

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.

  • 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 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.

  • UPX packed file 32 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
  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1240
          • C:\Users\Admin\AppData\Local\Temp\9368a238db47344ebb99f839530202cbf8fc0a4e33d11e4dd4db20655f10b19d.exe
            "C:\Users\Admin\AppData\Local\Temp\9368a238db47344ebb99f839530202cbf8fc0a4e33d11e4dd4db20655f10b19d.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • 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
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1984
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1352

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\fvyvn.exe

            Filesize

            97KB

            MD5

            7f396e65264308b4fbb40affd12f88f0

            SHA1

            9af4a0813ff704f31b289978b313e6e429d7d302

            SHA256

            c5b84d1033d40dfba7aa70247c2d2f49931ca988d7822b1be6a03e9fc3515ff3

            SHA512

            4c13112c0386820cf1452b858e6340d92ab28054b4873462adbea48e7f2b0b7ece9ac6e73ac88177dd4842d5726bcca29455cd3898603335a28f8b2213be06c4

          • memory/1120-18-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/1984-34-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-11-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-3-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-36-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-12-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-29-0x0000000003880000-0x0000000003882000-memory.dmp

            Filesize

            8KB

          • memory/1984-28-0x0000000003880000-0x0000000003882000-memory.dmp

            Filesize

            8KB

          • memory/1984-8-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-27-0x0000000004660000-0x0000000004661000-memory.dmp

            Filesize

            4KB

          • memory/1984-25-0x0000000004660000-0x0000000004661000-memory.dmp

            Filesize

            4KB

          • memory/1984-24-0x0000000003880000-0x0000000003882000-memory.dmp

            Filesize

            8KB

          • memory/1984-4-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-7-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-9-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-5-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-37-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-31-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-30-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-32-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-33-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-1-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-10-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-6-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-39-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-40-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-41-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-44-0x0000000003880000-0x0000000003882000-memory.dmp

            Filesize

            8KB

          • memory/1984-54-0x0000000003270000-0x0000000003271000-memory.dmp

            Filesize

            4KB

          • memory/1984-56-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1984-55-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/1984-57-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-58-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-61-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-62-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-67-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-72-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-73-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-75-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-77-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-78-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1984-144-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB