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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    15/07/2024, 10:08

General

  • Target

    b56b2244d3154c22b8155e1f332a8c49435fb9b62d0efbf48c85c54c0c65ac33.dll

  • Size

    120KB

  • MD5

    c08abe389d2af88b03966ca3b8187660

  • SHA1

    6e220abbfac9b033296fab2668e8a22ebf5f29de

  • SHA256

    b56b2244d3154c22b8155e1f332a8c49435fb9b62d0efbf48c85c54c0c65ac33

  • SHA512

    47d4958f07ce85dca5c3d5e2bb436349e5757cb7d39396a8cf4a679cace7dc7cda04db3b5c1c70d5cca54d527ca4f978c021c8ecaae956a104e7aee4e54fccf8

  • SSDEEP

    1536:R6vLu4JPG5XN9y8PvX2MGl2Q9EOj3rvq0NvAXCpeOVB/crJwUHdxMZkyl5b:MvC4JufBvGAQ9FVIXr8/crJBDixl

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 23 IoCs

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

  • 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.

  • Drops file in Windows directory 3 IoCs
  • 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:1096
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b56b2244d3154c22b8155e1f332a8c49435fb9b62d0efbf48c85c54c0c65ac33.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2912
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b56b2244d3154c22b8155e1f332a8c49435fb9b62d0efbf48c85c54c0c65ac33.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2352
              • C:\Users\Admin\AppData\Local\Temp\f76864f.exe
                C:\Users\Admin\AppData\Local\Temp\f76864f.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2388
              • C:\Users\Admin\AppData\Local\Temp\f768823.exe
                C:\Users\Admin\AppData\Local\Temp\f768823.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2660
              • C:\Users\Admin\AppData\Local\Temp\f76a219.exe
                C:\Users\Admin\AppData\Local\Temp\f76a219.exe
                4⤵
                • Executes dropped EXE
                PID:2488
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1388

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            c109146363654806a84b5506e7d11f17

            SHA1

            33311c6bd2d616773208bbd84090e54d866ce0f6

            SHA256

            c5d0746cfcb5205695cd42c1c82c190c3add4c45cb61e9dcb9115b857865c1cc

            SHA512

            31701d494e2800f1b56940a74fdc8561ca0f012ca58697c0e8a03a331e0aab67f6d12d90c7ba439ab62177d46f34f3d3c0e5895fce06e095e00c7823bf6b13ff

          • \Users\Admin\AppData\Local\Temp\f76864f.exe

            Filesize

            97KB

            MD5

            6d9b007e245b0af3591fa7ba8c83c439

            SHA1

            aa57bf707062431f8452b5c58abc43c7b75816c2

            SHA256

            2fa9484b316a71b8e4cccd660f3eb23c46ed2268bbeb4fdd684ab47491cd5cba

            SHA512

            fe6f81254bba6308ba8296459f74a52215ef0a4eda9f0c885a0f3fefffcba248f06ce709265d52465c7c8c9dd41ed985a4f63b35605c359c395795dab4f4d4bd

          • memory/1096-23-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/2352-40-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2352-77-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2352-79-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2352-32-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2352-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2352-8-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2352-58-0x00000000002C0000-0x00000000002D2000-memory.dmp

            Filesize

            72KB

          • memory/2352-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2352-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2352-31-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2388-57-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2388-61-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-41-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2388-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2388-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-13-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-62-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2388-63-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-64-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-67-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-68-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-48-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2388-14-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-82-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-84-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-86-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-87-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2388-151-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2488-105-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2488-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2660-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2660-99-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2660-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-190-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2660-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-195-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB