Analysis

  • max time kernel
    86s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 08:39

General

  • Target

    733545c7941f3b79c749b91d67145be97cad9e15558084b878ecd9873b78c604N.dll

  • Size

    120KB

  • MD5

    b2534554ff7881c08bc0c738d3603be0

  • SHA1

    6a6b02475940f3eeaa39b5f46e259814d65cab2e

  • SHA256

    733545c7941f3b79c749b91d67145be97cad9e15558084b878ecd9873b78c604

  • SHA512

    428ae8c52416230fefacf6fdd90173e6466254377db687a7dfa2d54ed71ba3927ac93a5e37bba9db2a0b1ccc6957047d3933a9a57f73fc88a364916440daba6f

  • SSDEEP

    1536:LekTrm6klZrijggIwG31KXboRv0Am7JmV0XI5sOH9n/eZEOJRtbpF:CEGQj3IwOkSvLm7Jm2ifBe/bP

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 14 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\733545c7941f3b79c749b91d67145be97cad9e15558084b878ecd9873b78c604N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2160
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\733545c7941f3b79c749b91d67145be97cad9e15558084b878ecd9873b78c604N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2680
              • C:\Users\Admin\AppData\Local\Temp\f7662f7.exe
                C:\Users\Admin\AppData\Local\Temp\f7662f7.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:2804
              • C:\Users\Admin\AppData\Local\Temp\f7664db.exe
                C:\Users\Admin\AppData\Local\Temp\f7664db.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 policy modification
                PID:2652
              • C:\Users\Admin\AppData\Local\Temp\f767e63.exe
                C:\Users\Admin\AppData\Local\Temp\f767e63.exe
                4⤵
                • Executes dropped EXE
                PID:2988
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1636

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            8a92a32c570e6a5b1af1c4089f04617f

            SHA1

            3b9aac1614081fe2511735d47545c0733f46a042

            SHA256

            e178f59d5d0415b1a8f49e621a68b2319d846cee9e1ea0676478e461019cee70

            SHA512

            2e5365e2cb2e470d8dfe075db0866fc058946e89e8b7f62228b0277eba5c613db056c62b1a89a35f82bb99575555a5b8ee287339863a05f6a7be60010cc3faec

          • \Users\Admin\AppData\Local\Temp\f7662f7.exe

            Filesize

            97KB

            MD5

            e64f29fb5f7e0721adaf1c969f707f74

            SHA1

            9e16e5b4e024937f5862d53d2d7569dc7c3ec0f3

            SHA256

            69fcc53c5384d8e10a43238aee0b0b265183503045a4c0d4e9eac4dc890b3b62

            SHA512

            d2fd8c9ab869b51c85628d7676d851ed30e97a5f55716cd26fd88c41f5825cf24528a7401f638ca8253efb924c02ea3a0234fc8f59d9816545d07e8b827afd60

          • memory/1116-26-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/2652-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2652-100-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2652-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2652-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2652-164-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2652-167-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2680-51-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2680-53-0x0000000000350000-0x0000000000362000-memory.dmp

            Filesize

            72KB

          • memory/2680-12-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2680-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2680-172-0x00000000004B0000-0x00000000004C2000-memory.dmp

            Filesize

            72KB

          • memory/2680-54-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2680-33-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2680-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2680-82-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2680-83-0x00000000004B0000-0x00000000004C2000-memory.dmp

            Filesize

            72KB

          • memory/2680-43-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2680-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2680-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2680-34-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2804-63-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-90-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-17-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-25-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-64-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-18-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-65-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-66-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-67-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-69-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-70-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-84-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2804-19-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-21-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-86-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-88-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-42-0x00000000002E0000-0x00000000002E1000-memory.dmp

            Filesize

            4KB

          • memory/2804-16-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-20-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-58-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2804-23-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-22-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-24-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-91-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-112-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-157-0x0000000000670000-0x000000000172A000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2988-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2988-108-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2988-165-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2988-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2988-171-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2988-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB