Analysis

  • max time kernel
    27s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 06:04

General

  • Target

    a3bb0b8e9bd6edcc229bc6bfbf9a8890e9f3f5ee82c7d875c9ae2ab0e0692c19N.dll

  • Size

    120KB

  • MD5

    ad31ef1d417bb7bf495906c443c00ab0

  • SHA1

    440c66ae2b8ea0405cec513401d12300bc011bad

  • SHA256

    a3bb0b8e9bd6edcc229bc6bfbf9a8890e9f3f5ee82c7d875c9ae2ab0e0692c19

  • SHA512

    a2042b5eee99156ce0a8c351db72e248d6a08a3e198825bff4ce5e3991936aeb66810a62b63243f21ccd8e224e6a95aa585ed6332a99758020dd534f554d29d9

  • SSDEEP

    3072:7Nz/lGstvEtTnhzQfpH8/o1ZSgbWiH38Yy:BzUkvEARBSgdHsY

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 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 10 IoCs

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

  • UPX packed file 24 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1180
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3bb0b8e9bd6edcc229bc6bfbf9a8890e9f3f5ee82c7d875c9ae2ab0e0692c19N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2984
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3bb0b8e9bd6edcc229bc6bfbf9a8890e9f3f5ee82c7d875c9ae2ab0e0692c19N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3044
              • C:\Users\Admin\AppData\Local\Temp\f76bc0f.exe
                C:\Users\Admin\AppData\Local\Temp\f76bc0f.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • 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:2352
              • C:\Users\Admin\AppData\Local\Temp\f76bdc3.exe
                C:\Users\Admin\AppData\Local\Temp\f76bdc3.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:2452
              • C:\Users\Admin\AppData\Local\Temp\f76d7b9.exe
                C:\Users\Admin\AppData\Local\Temp\f76d7b9.exe
                4⤵
                • Executes dropped EXE
                PID:2616
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:464

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            6a2c371409e4ef9a732be9df7837ef40

            SHA1

            25d1e1a2d7f114cbcfce400609eae87ac9c7e4c3

            SHA256

            a39f1f574911181b533344b37ca4b512b78e56eca9ba0d323c8f3585b30188c7

            SHA512

            bc6a08d001e0581ddb0b8e0246ce7ba90b66933bd17edea4ad2b3aa75380209aa53f953e3b02aa39c2340694a510fef9e06f19dd902608519490bfefc684d8d3

          • \Users\Admin\AppData\Local\Temp\f76bc0f.exe

            Filesize

            97KB

            MD5

            9572a14201d652b0f83a91014be4c494

            SHA1

            13d2c0ccce752603a37d4e1a98c3668d2d8c1e68

            SHA256

            104ef6be8b6389d4d87627cae6cbe64253fd62b63bd928ece93a48f6f1f587c2

            SHA512

            b136489c7908b939758f48aef86ea68f3fc7594ba444119352d70992a807eb2f51ac5d6f87dcc9fdc3028e8cc7a06347a23ea4c95a30af1eca45b7ca2024678c

          • memory/1108-28-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2352-105-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-22-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-13-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-14-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2352-46-0x00000000005F0000-0x00000000005F1000-memory.dmp

            Filesize

            4KB

          • memory/2352-146-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-107-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-77-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2352-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2352-16-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-15-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-103-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-102-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-59-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-83-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-58-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-145-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2352-63-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-66-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2352-81-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2452-95-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2452-164-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2452-93-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2452-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2452-190-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2452-119-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2452-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2616-147-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2616-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2616-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2616-99-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2616-100-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2616-78-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3044-35-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/3044-45-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/3044-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3044-60-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/3044-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3044-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/3044-52-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3044-57-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB