Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2024, 18:10

General

  • Target

    1d18c1a10870cee228ac6d14bc487f4ef51a3067a4d6b788812eb79d6b1c057e.exe

  • Size

    432KB

  • MD5

    45a62ed1b4dabc6d7e0f4a7374afb175

  • SHA1

    3aa6db91bfd48dffa31efd7428eaac493d13d6b0

  • SHA256

    1d18c1a10870cee228ac6d14bc487f4ef51a3067a4d6b788812eb79d6b1c057e

  • SHA512

    95f685024193faa5de278fc5b5d209ff291385efca9106f95102b6889c8c5629ade8898dfb9b2ef0a5b825f013faa9c237ef1691dd7d197b8b80439b15267982

  • SSDEEP

    12288:nlDzNwTWdB4fEBcjMAKfxTDyZ6MnfZm01n8yksl:nlKTgB+EKKJTDyo0hv1nUc

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

  • Disables service(s) 3 TTPs
  • 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
  • Blocklisted process makes network request 1 IoCs
  • Stops running service(s) 4 TTPs
  • Loads dropped DLL 9 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1108
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Users\Admin\AppData\Local\Temp\1d18c1a10870cee228ac6d14bc487f4ef51a3067a4d6b788812eb79d6b1c057e.exe
            "C:\Users\Admin\AppData\Local\Temp\1d18c1a10870cee228ac6d14bc487f4ef51a3067a4d6b788812eb79d6b1c057e.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Drops file in System32 directory
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: RenamesItself
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2720
            • C:\Windows\SysWOW64\Rundll32.exe
              Rundll32 C:\Windows\system32\kifccctb.dll Exucute
              3⤵
              • Loads dropped DLL
              • Drops file in Program Files directory
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2788
              • C:\Windows\SysWOW64\net.exe
                net stop WinDefend
                4⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2640
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop WinDefend
                  5⤵
                  • System Location Discovery: System Language Discovery
                  PID:2396
              • C:\Windows\SysWOW64\net.exe
                net stop MpsSvc
                4⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2652
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop MpsSvc
                  5⤵
                  • System Location Discovery: System Language Discovery
                  PID:408
              • C:\Windows\SysWOW64\sc.exe
                sc config WinDefend start= disabled
                4⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:2696
              • C:\Windows\SysWOW64\sc.exe
                sc config MpsSvc start= disabled
                4⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:3008
              • C:\Windows\SysWOW64\sc.exe
                "C:\Windows\System32\sc.exe" stop PolicyAgent
                4⤵
                • Launches sc.exe
                • System Location Discovery: System Language Discovery
                PID:2148
            • C:\Windows\SysWOW64\Rundll32.exe
              Rundll32 C:\Windows\system32\kdaecctb.dll Exucute
              3⤵
              • Blocklisted process makes network request
              • Loads dropped DLL
              • Adds Run key to start application
              • Enumerates connected drives
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:2480
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2044

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • \Users\Admin\AppData\Local\Temp\2EBE.tmp

            Filesize

            1.7MB

            MD5

            b5eb5bd3066959611e1f7a80fd6cc172

            SHA1

            6fb1532059212c840737b3f923a9c0b152c0887a

            SHA256

            1ffb68a66f28f604adcae9c135f8dcf301316ab7fda8ebd294583c56dd26f7cc

            SHA512

            6c0743e0ff4922e859ba66b68040ab994dbae33e80c63ce8c993ad31a0c7aad6c6467484da1550063214953cd641dbf597438dd0c02f24164505d88ca80ea1b6

          • \Windows\SysWOW64\kdaecctb.dll

            Filesize

            21KB

            MD5

            467b48d4c6c14bc70b6812ee0adf4e50

            SHA1

            60d50f73a21da26875bbb21ce82808073c8be3ef

            SHA256

            ed8c448132ce53c3e2cf1e6e4586c12ce5587dc4484576dfb0703ec5890659e1

            SHA512

            c399cbc8488fbf9f75b2fd32c792640e1b032ea8dbdf052ec82808a2db59515b14fdb7c20c7173abbe82f7a597245d4a74424f58043325e5b6a198610853989b

          • \Windows\SysWOW64\kifccctb.dll

            Filesize

            61KB

            MD5

            81fe4fab769454c9f3ae5c0738a01caf

            SHA1

            de804adb98f37aa32b270e7ceebd6aa50c058bb1

            SHA256

            34818d6c3335477ceb1c2e8d5448408acd9bf53cb48a570ad9f2a49664526959

            SHA512

            114799cb47ec463081d6fe8d11828c5d11042f823f5fe9ce15f3a4220250a01c48f0645bfae45149ed5d41d59075ff282b7279e2388b793f6422c7f70c0337f0

          • memory/1100-14-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2720-34-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-24-0x0000000000260000-0x0000000000261000-memory.dmp

            Filesize

            4KB

          • memory/2720-0-0x0000000000400000-0x000000000042B000-memory.dmp

            Filesize

            172KB

          • memory/2720-33-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-74-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-4-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-7-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-5-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-31-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-51-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-26-0x0000000000260000-0x0000000000261000-memory.dmp

            Filesize

            4KB

          • memory/2720-38-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-23-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2720-45-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2720-37-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-8-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-6-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-50-0x0000000001E10000-0x0000000002ECA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-68-0x0000000000400000-0x000000000042B000-memory.dmp

            Filesize

            172KB

          • memory/2720-40-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2788-30-0x0000000000110000-0x0000000000111000-memory.dmp

            Filesize

            4KB

          • memory/2788-32-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/2788-36-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB