Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 06:00

General

  • Target

    53e11a7f1af15c79f8f9754848a83df8cfe8ac4285112091891723dfbb6217f3N.dll

  • Size

    120KB

  • MD5

    3dcab5020f0f898999da07240cf91c30

  • SHA1

    6fda3798efbea060b2c81578771317058bd76802

  • SHA256

    53e11a7f1af15c79f8f9754848a83df8cfe8ac4285112091891723dfbb6217f3

  • SHA512

    ef4f00ac76ca4e5ee37818727cb6c504124a6a87afe6c55d4ca5113c0a635e8b0dd9c13a9d25e26146af606120fe212b1f76afdce7e4eaf6090715904e9ee63c

  • SSDEEP

    1536:CACzdHJsBu7zQ7KCqsSldUc3pxJUn08wOiYCHyPPk8o0UM/vXiWk9vZkYAVRJaVD:8JH6u7zwha3UnziTS35pvSJyVOaBV

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 16 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\53e11a7f1af15c79f8f9754848a83df8cfe8ac4285112091891723dfbb6217f3N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2644
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\53e11a7f1af15c79f8f9754848a83df8cfe8ac4285112091891723dfbb6217f3N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2124
              • C:\Users\Admin\AppData\Local\Temp\f76f98b.exe
                C:\Users\Admin\AppData\Local\Temp\f76f98b.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:2696
              • C:\Users\Admin\AppData\Local\Temp\f76fb40.exe
                C:\Users\Admin\AppData\Local\Temp\f76fb40.exe
                4⤵
                • Executes dropped EXE
                PID:2616
              • C:\Users\Admin\AppData\Local\Temp\f7717f4.exe
                C:\Users\Admin\AppData\Local\Temp\f7717f4.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:2148
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1532

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            9bbaa2a0a38493e3954a2fc94192ecde

            SHA1

            41467d5d92a715a2992084906980bb647e4afb96

            SHA256

            9c6d346a3f100a5bb1b972a86995c069c91e262ca5e1f751913289a3f4705ec1

            SHA512

            71537cb6597ddf920adebec295dd685435c71dddfbf7cdd8c6378585f1a8601942a6e5f2a5e100c694d90098894a5222e4bfe9934b3631805fb767beae14637e

          • \Users\Admin\AppData\Local\Temp\f76f98b.exe

            Filesize

            97KB

            MD5

            f723df49b2cc2e9af7a6e4196558c34a

            SHA1

            2aa5588cc0f4df09150a7eb1c15b00865b11190f

            SHA256

            c805c9276a368075e2f1bf8dd9789a2c82d89497c4ac12613a114b9a12a63541

            SHA512

            e3c5c4368504164fd05a61a946316afd479ad0f9a95594dcfc2e34ad02fd7a0937cfbe7a9a488830859b1240482eb3b85f33b969b3dad75f3e720250e260902e

          • memory/1104-23-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2124-32-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2124-51-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2124-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-82-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2124-8-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2124-33-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2124-42-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2124-54-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2124-53-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2148-135-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2148-213-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2148-105-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2148-106-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2148-214-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-108-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2148-174-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2148-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2616-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2616-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2616-134-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2616-101-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2616-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2616-168-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-57-0x00000000015F0000-0x00000000015F2000-memory.dmp

            Filesize

            8KB

          • memory/2696-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-70-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-71-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-85-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-87-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-88-0x00000000015F0000-0x00000000015F2000-memory.dmp

            Filesize

            8KB

          • memory/2696-90-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-43-0x0000000001600000-0x0000000001601000-memory.dmp

            Filesize

            4KB

          • memory/2696-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2696-157-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-12-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB