Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2025 07:11

General

  • Target

    a26c4b01f237b845f57069265ecd9815066819e57c02c728ed78795a8b0c1714.exe

  • Size

    65KB

  • MD5

    6e856c4f06c765c8a39429e6b73f19e3

  • SHA1

    31e7fd57e2f6156a404856a0ab77dc195beadff1

  • SHA256

    a26c4b01f237b845f57069265ecd9815066819e57c02c728ed78795a8b0c1714

  • SHA512

    81cc5b15a136f7138b39797c9a3da4885064c13cae930e77ed311aa50377d53d28f751c17ac62b75e3cae9cca2a245dbe55035e69ac93792c01954f52b9a76cf

  • SSDEEP

    1536:mt+CSrAgx7N3OH+nM7fOEFXr0UG4DdaXVoxQJZk4kE:mt+CaheH+nM7fP7PG4DdaXVWrjE

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 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 28 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Users\Admin\AppData\Local\Temp\a26c4b01f237b845f57069265ecd9815066819e57c02c728ed78795a8b0c1714.exe
            "C:\Users\Admin\AppData\Local\Temp\a26c4b01f237b845f57069265ecd9815066819e57c02c728ed78795a8b0c1714.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:3052
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:340

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\rlkxo.exe

            Filesize

            97KB

            MD5

            92e8a9d8890f1156e01054cfec0797a4

            SHA1

            c43c8fb2d4d116eac78ee374f1ab378fea02f62c

            SHA256

            b120839a5252f3cccab892e63f82b7368dfd3426f5b8a1e58b8301723d187ffc

            SHA512

            dccc87547300bc6f646ffc4e73efc231dca622464b13ded6b782b4d35206b37cf6cddcbeeb64fa17fec4e84101bf6ba2d1e0bb6790d5431fed1b63723e879fc5

          • memory/1108-18-0x0000000002020000-0x0000000002022000-memory.dmp

            Filesize

            8KB

          • memory/3052-34-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-69-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-11-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-7-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-6-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-5-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-3-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-29-0x0000000001760000-0x0000000001762000-memory.dmp

            Filesize

            8KB

          • memory/3052-28-0x0000000001760000-0x0000000001762000-memory.dmp

            Filesize

            8KB

          • memory/3052-27-0x0000000001770000-0x0000000001771000-memory.dmp

            Filesize

            4KB

          • memory/3052-25-0x0000000001770000-0x0000000001771000-memory.dmp

            Filesize

            4KB

          • memory/3052-24-0x0000000001760000-0x0000000001762000-memory.dmp

            Filesize

            8KB

          • memory/3052-8-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-36-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-9-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-31-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-30-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-32-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-4-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-10-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-12-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-49-0x0000000003F70000-0x0000000003F72000-memory.dmp

            Filesize

            8KB

          • memory/3052-48-0x0000000001760000-0x0000000001762000-memory.dmp

            Filesize

            8KB

          • memory/3052-47-0x0000000003F70000-0x0000000003F72000-memory.dmp

            Filesize

            8KB

          • memory/3052-46-0x0000000004B20000-0x0000000004B21000-memory.dmp

            Filesize

            4KB

          • memory/3052-50-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-52-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-54-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-55-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-57-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-59-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-61-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-65-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-33-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-70-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-77-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-78-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/3052-0-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3052-139-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB