Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 19:40

General

  • Target

    48b27f8652cdf79dc4db00d71b14d44f841a660def62732978a89826cbed6635N.dll

  • Size

    120KB

  • MD5

    15c7ea8546ce20212b8f72f70ac459c0

  • SHA1

    e4391c0e333844a7ed17cffb0926c2960f5809b1

  • SHA256

    48b27f8652cdf79dc4db00d71b14d44f841a660def62732978a89826cbed6635

  • SHA512

    7d11d7d4d0292390c094e3f98a30ebad767fe5a63d5238d7926d1944a901a46c457911b94a53ab1308cce6014a300cb39ecf80374eb4ffe3a45055b066b562e5

  • SSDEEP

    1536:vW2wPjsCFOLbhvcIqXvtQYCkK7i+NYgZbJTL+50Y4DY3lgf5JVqRO:vBwbsMOLbhvFKveYCkKeGb1H/

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 27 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 44 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1084
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\48b27f8652cdf79dc4db00d71b14d44f841a660def62732978a89826cbed6635N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2320
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\48b27f8652cdf79dc4db00d71b14d44f841a660def62732978a89826cbed6635N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1572
              • C:\Users\Admin\AppData\Local\Temp\f76c8ea.exe
                C:\Users\Admin\AppData\Local\Temp\f76c8ea.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:2240
              • C:\Users\Admin\AppData\Local\Temp\f76cabe.exe
                C:\Users\Admin\AppData\Local\Temp\f76cabe.exe
                4⤵
                • Executes dropped EXE
                PID:3012
              • C:\Users\Admin\AppData\Local\Temp\f76e428.exe
                C:\Users\Admin\AppData\Local\Temp\f76e428.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:2740
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2032

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a2b22db527a73ef8b561af3cb1d69162

            SHA1

            6fa44d188d0c69e7c32e65b996a9a17c074cb381

            SHA256

            74ef75fef6f2c0f2785106dd6b72ec1e8671f77d9558baaec671574ce573367b

            SHA512

            49b7f834fdce0771f6f73891b6ec1670b10c0d25634d7c2ee3fc98c7da55e5ee937bd7193d2eb50d9704aa92864cb8e06c8f97cf106756466506cdda15a3719a

          • \Users\Admin\AppData\Local\Temp\f76c8ea.exe

            Filesize

            97KB

            MD5

            cd51fdf9815de97b1cfa269331ddbff2

            SHA1

            37e12a4c6c72f45529130bc41efa0a520889a264

            SHA256

            b5a39eca1b9843fe508cad3eead7737d4489582c5efa84cd56711908f5686823

            SHA512

            7deb65ff3c9722271c8b00a842ca89205130d07068515360550aadc9b451e83977867e4d0bfbcd7bd2f19652f7002b7d7106d483dfad5735e2e2692a09de64b3

          • memory/1084-31-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/1572-69-0x0000000000380000-0x0000000000382000-memory.dmp

            Filesize

            8KB

          • memory/1572-81-0x0000000000350000-0x0000000000352000-memory.dmp

            Filesize

            8KB

          • memory/1572-12-0x0000000000350000-0x0000000000362000-memory.dmp

            Filesize

            72KB

          • memory/1572-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1572-13-0x0000000000350000-0x0000000000362000-memory.dmp

            Filesize

            72KB

          • memory/1572-37-0x0000000000380000-0x0000000000382000-memory.dmp

            Filesize

            8KB

          • memory/1572-72-0x0000000000640000-0x0000000000652000-memory.dmp

            Filesize

            72KB

          • memory/1572-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1572-49-0x0000000000380000-0x0000000000382000-memory.dmp

            Filesize

            8KB

          • memory/1572-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1572-57-0x0000000000640000-0x0000000000652000-memory.dmp

            Filesize

            72KB

          • memory/1572-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1572-46-0x0000000000380000-0x0000000000382000-memory.dmp

            Filesize

            8KB

          • memory/1572-39-0x00000000005A0000-0x00000000005A1000-memory.dmp

            Filesize

            4KB

          • memory/1572-38-0x00000000005A0000-0x00000000005A1000-memory.dmp

            Filesize

            4KB

          • memory/2240-61-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-82-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-25-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-23-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-21-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-15-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-24-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-60-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-59-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2240-62-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-63-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-65-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-66-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-45-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2240-22-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-70-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2240-19-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-47-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2240-83-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-86-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-87-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2240-154-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-109-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-108-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2740-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2740-213-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-102-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2740-175-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3012-123-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3012-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3012-95-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3012-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3012-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3012-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3012-160-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/3012-214-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB