Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2024, 21:34

General

  • Target

    5bb55cff320cdc0bad5dfd2a1fc7586f37d610ff2f240021d7c2f64f3d15365dN.exe

  • Size

    100KB

  • MD5

    9fa2c51f9a47125d1f529ce73ae51c70

  • SHA1

    3c035d7f04aa3840bed00411b77c17341a92bb51

  • SHA256

    5bb55cff320cdc0bad5dfd2a1fc7586f37d610ff2f240021d7c2f64f3d15365d

  • SHA512

    7a68f7b6a60409fc8c2204a618ce066d222c750fb65f92e744479ca2e52cbfc8886fcae8ae3a319ac4771d09ab0060ad62c1f6c1ae2e28fa84056273fb1c8185

  • SSDEEP

    1536:WffbtO9lOHMbv1UHy6fG9ngGfTMJVydUBa8A3RGw60WP6S:YfZO9csOHH+aITMaGBa8A3Mx6

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 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 27 IoCs

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

  • 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).

  • 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 25 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Users\Admin\AppData\Local\Temp\5bb55cff320cdc0bad5dfd2a1fc7586f37d610ff2f240021d7c2f64f3d15365dN.exe
            "C:\Users\Admin\AppData\Local\Temp\5bb55cff320cdc0bad5dfd2a1fc7586f37d610ff2f240021d7c2f64f3d15365dN.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:3044
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1624

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\wjrnc.exe

            Filesize

            100KB

            MD5

            968a532bea10cd66886f48ab08a2b1ac

            SHA1

            d413f73b593e04c78f400db03d6b3573ae21a3d8

            SHA256

            244b31e0d73619407ed4598caa65103c23db1d8a96fe7bc59d05321edfaa53b6

            SHA512

            cc867055fad72c0f80a09bef7db6df760bf3a148f91b1a1e7a599c7e350fa9fdd0ad8e6e648e8e1b11afe49723dcada2586356dbebc5a10f074f1c6350efb123

          • memory/1116-14-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/3044-30-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-31-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-6-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-11-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-9-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-8-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-10-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-7-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-5-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-33-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-26-0x00000000049C0000-0x00000000049C1000-memory.dmp

            Filesize

            4KB

          • memory/3044-28-0x0000000004830000-0x0000000004832000-memory.dmp

            Filesize

            8KB

          • memory/3044-27-0x0000000004830000-0x0000000004832000-memory.dmp

            Filesize

            8KB

          • memory/3044-23-0x00000000049C0000-0x00000000049C1000-memory.dmp

            Filesize

            4KB

          • memory/3044-22-0x0000000004830000-0x0000000004832000-memory.dmp

            Filesize

            8KB

          • memory/3044-3-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-13-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-29-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-4-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-0-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/3044-12-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-34-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-35-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-37-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-39-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-41-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-42-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-56-0x00000000005C0000-0x00000000005C2000-memory.dmp

            Filesize

            8KB

          • memory/3044-58-0x00000000005C0000-0x00000000005C2000-memory.dmp

            Filesize

            8KB

          • memory/3044-57-0x0000000004830000-0x0000000004832000-memory.dmp

            Filesize

            8KB

          • memory/3044-55-0x0000000003AA0000-0x0000000003AA1000-memory.dmp

            Filesize

            4KB

          • memory/3044-60-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-62-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-65-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-67-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-69-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-1-0x0000000001E40000-0x0000000002ECE000-memory.dmp

            Filesize

            16.6MB

          • memory/3044-146-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB