Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 15:30

General

  • Target

    40d3928352ff0192748e8a718c88a18207c2cd19f5998189e00c58b2e22e4e2e.dll

  • Size

    120KB

  • MD5

    363c070ae1c6295a8bed9950bbeccdbe

  • SHA1

    e6b6d1859f06cd3a8284678d0b713173c241ee26

  • SHA256

    40d3928352ff0192748e8a718c88a18207c2cd19f5998189e00c58b2e22e4e2e

  • SHA512

    921b2e4559cdb4c9be12b6fdd7dfe68110fbcb469ea872929e8bf5da6621115259f06f9aa1ca38e0963f54e9e9916fefad27dbff7a4f53f470d7eb59eac5d7af

  • SSDEEP

    3072:xvvH3aqslQBQSwgZlGFRHnATB4h8ujW2P3bk8:xvf3fxBQhgjGFNnAT68uy2P3bk8

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 25 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1052
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1072
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1148
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\40d3928352ff0192748e8a718c88a18207c2cd19f5998189e00c58b2e22e4e2e.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2012
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\40d3928352ff0192748e8a718c88a18207c2cd19f5998189e00c58b2e22e4e2e.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1756
              • C:\Users\Admin\AppData\Local\Temp\f76d836.exe
                C:\Users\Admin\AppData\Local\Temp\f76d836.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:2336
              • C:\Users\Admin\AppData\Local\Temp\f76d9eb.exe
                C:\Users\Admin\AppData\Local\Temp\f76d9eb.exe
                4⤵
                • Executes dropped EXE
                PID:2808
              • C:\Users\Admin\AppData\Local\Temp\f76f9ba.exe
                C:\Users\Admin\AppData\Local\Temp\f76f9ba.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:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1956

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            950a9de2ad65d65ffee200401d62cb5e

            SHA1

            2f26afed0e9323f738671e83697c01faf6077096

            SHA256

            c7ceef690e7cda8a21861b9c0c6df827b56b394e975c52bcccc67e0a04c7ba18

            SHA512

            4c697eeb83aadd5c50e5a366eef5b71b22e350575e59cf4cdafd06713b879a8a340b0e4cfb07c97623ca5731d27d60e5a115507fbe5f67a6414b09e96160887d

          • \Users\Admin\AppData\Local\Temp\f76d836.exe

            Filesize

            97KB

            MD5

            f12eb3c0acbee83064f80120d08656b6

            SHA1

            7dc7ca55e128ac9c6950e0a8dc05bd2c94544def

            SHA256

            b69a2491eccc15822d19d368b315f2a62dcc876b9b279a92acdd2bb1b54551cf

            SHA512

            8d4d9a9252ce97e4da4b4f5b9e69daf2dc2f7af5cef9319254071a1e1e380c1abc4dc07ea2d6f63ae6646d9ec33be85345b8009f388129bae3e8c39bcd8fd496

          • memory/1052-19-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1756-8-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/1756-75-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1756-76-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/1756-30-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/1756-28-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/1756-27-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1756-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1756-50-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1756-81-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1756-57-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/1756-56-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/1756-77-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2336-63-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-84-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-14-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-42-0x00000000016F0000-0x00000000016F2000-memory.dmp

            Filesize

            8KB

          • memory/2336-40-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-38-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-37-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-41-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-15-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-39-0x00000000016F0000-0x00000000016F2000-memory.dmp

            Filesize

            8KB

          • memory/2336-60-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-61-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-62-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-65-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-66-0x00000000016F0000-0x00000000016F2000-memory.dmp

            Filesize

            8KB

          • memory/2336-16-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2336-151-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-36-0x0000000001700000-0x0000000001701000-memory.dmp

            Filesize

            4KB

          • memory/2336-13-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2336-111-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-109-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-106-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-104-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2336-103-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-160-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2560-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2560-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-210-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-161-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2560-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2808-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2808-99-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2808-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2808-93-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/2808-120-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2808-94-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB