Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 07:28

General

  • Target

    9ac52c0e2f3f2cb522378d6bdd1bce7b80bc1997794f14c2a74fe0604b3a169eN.dll

  • Size

    120KB

  • MD5

    429f6990aea3ac2049b5f28b22ba93b0

  • SHA1

    12617c4b7b0b8a85348f0a6aaf2a2263a75c0a3c

  • SHA256

    9ac52c0e2f3f2cb522378d6bdd1bce7b80bc1997794f14c2a74fe0604b3a169e

  • SHA512

    72a59d460d8c44326ce1d3edfc35b964ce2434aa6a11182976e3c4ff81d271732e25a18b91615403ab40d9a0b1dc3494ae30cd26e587e22d5ee380f5a7798621

  • SSDEEP

    3072:xL1WiK8Bhv5dZ59lZNJ2/pLyanOJo7SA:vWczv5LqBbn

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 15 IoCs

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

  • UPX packed file 23 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 24 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ac52c0e2f3f2cb522378d6bdd1bce7b80bc1997794f14c2a74fe0604b3a169eN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2092
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\9ac52c0e2f3f2cb522378d6bdd1bce7b80bc1997794f14c2a74fe0604b3a169eN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1028
              • C:\Users\Admin\AppData\Local\Temp\f76b193.exe
                C:\Users\Admin\AppData\Local\Temp\f76b193.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:2560
              • C:\Users\Admin\AppData\Local\Temp\f76b348.exe
                C:\Users\Admin\AppData\Local\Temp\f76b348.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
                • System policy modification
                PID:2776
              • C:\Users\Admin\AppData\Local\Temp\f76cd4d.exe
                C:\Users\Admin\AppData\Local\Temp\f76cd4d.exe
                4⤵
                • Executes dropped EXE
                PID:2692
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1208

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            0db24aaf44d4a519be66e7ca14ddd26c

            SHA1

            71a439a13893ea1ea135611396bf8feb6cbcd473

            SHA256

            42ac727db5ee4bf251f3137ccab43870b3b15478dcdc3bdee4b2a26662e225cc

            SHA512

            d300e6e66c6a063072393c9e0b7e1928d8a5064363106f5949c0a9b2648b3cbb051235193c39f2ac9cc7cc5d3c06ef4510ed23fdc8c99ff322afaab7d4756db3

          • \Users\Admin\AppData\Local\Temp\f76b193.exe

            Filesize

            97KB

            MD5

            882b66215632bf9fc1c872bbfae5378c

            SHA1

            6b31efe410eb1339fe6a74f88ba0c40ecb249243

            SHA256

            722a2312c385db0eba7f57e6424170026509dd4cf3647fddfa3490f940d71e5a

            SHA512

            a4d07fe8a1361315c72f459073cc58912a85948e2cd289673d898b89036931934370df47e46b7957550f9bd0dc1a854cb784eda50ed6e7cb02c1a9ded0262ce9

          • memory/1028-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1028-8-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/1028-77-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1028-80-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/1028-60-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1028-36-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1028-37-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1028-46-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1028-57-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1028-59-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/1100-28-0x00000000020F0000-0x00000000020F2000-memory.dmp

            Filesize

            8KB

          • memory/2560-63-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-107-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-49-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2560-21-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-47-0x0000000002DD0000-0x0000000002DD1000-memory.dmp

            Filesize

            4KB

          • memory/2560-50-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2560-13-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-15-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-16-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-14-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-62-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-64-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-65-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-66-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-68-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-69-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-81-0x0000000000490000-0x0000000000492000-memory.dmp

            Filesize

            8KB

          • memory/2560-19-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-22-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-84-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-87-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-89-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-152-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-128-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2692-105-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2692-106-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2692-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2776-98-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2776-127-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2776-177-0x0000000000970000-0x0000000001A2A000-memory.dmp

            Filesize

            16.7MB

          • memory/2776-182-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB