Analysis

  • max time kernel
    27s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 15:48

General

  • Target

    551c1f1e7cff512d4d8eee85252ea9141bb16c2d3436d3b10021689ab06f4df5.dll

  • Size

    120KB

  • MD5

    64dd849b9e0965465e172a7836095b56

  • SHA1

    2fcca9e29d4ee0c90d16e44585efc365c15ac2e4

  • SHA256

    551c1f1e7cff512d4d8eee85252ea9141bb16c2d3436d3b10021689ab06f4df5

  • SHA512

    f15966894b5d4054c53d9ac1ae4c7ba3d08c01ecd8f80dcc9582e012a733aa9376f31f5706be23c9f51a4f5bb0bd8abf0de9fe89d58d8e7ff3ea8075bd981a29

  • SSDEEP

    3072:SBsiGwZMYNXwfswGW4E4hzoJoFf9b/qQT+b8h8t:eXUfjn4E4hUOFf9TqQCmQ

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 15 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 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:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\551c1f1e7cff512d4d8eee85252ea9141bb16c2d3436d3b10021689ab06f4df5.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1300
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\551c1f1e7cff512d4d8eee85252ea9141bb16c2d3436d3b10021689ab06f4df5.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1948
              • C:\Users\Admin\AppData\Local\Temp\f76af81.exe
                C:\Users\Admin\AppData\Local\Temp\f76af81.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:2128
              • C:\Users\Admin\AppData\Local\Temp\f76b174.exe
                C:\Users\Admin\AppData\Local\Temp\f76b174.exe
                4⤵
                • Executes dropped EXE
                PID:2944
              • C:\Users\Admin\AppData\Local\Temp\f76cace.exe
                C:\Users\Admin\AppData\Local\Temp\f76cace.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:\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

            fdfb37c7a4d297fe29912c229e55fceb

            SHA1

            e077a276c833b0593be4e3f684311f406281a5d0

            SHA256

            9e5349b3dd511d1d892f406b5bc43dcf1eb91e1ff5b0f57c56c1634cd72ed246

            SHA512

            5de19671ce0972d59fb0b79775b07d4dd3a4284221fd2a363539dd483d704f1e8eb9538513918a020b9129d14c0ae727990388376b9546c151bbd9832eb5a40c

          • \Users\Admin\AppData\Local\Temp\f76af81.exe

            Filesize

            97KB

            MD5

            76ead63a043d27dda9338e52b7c67930

            SHA1

            8b66e56da386d79eee7d318ae87eacc0141d216c

            SHA256

            2ca55e518a8176235c3c770414d4f75b621793e6f4d522e15cbe5f6dcb7d4b32

            SHA512

            00de52c848abde9fdc2dc59119dafbc3576b989f5486a495a5273520f547e1505e832bef668f36f040715f3db7b10a88ac5a5c360cdcd19152e922894da3193e

          • memory/1124-25-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/1948-82-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1948-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1948-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1948-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1948-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1948-33-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/1948-51-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1948-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1948-53-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1948-52-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/1948-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1948-43-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/1948-32-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2128-61-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2128-17-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-42-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-22-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-41-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-24-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-21-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-19-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-20-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2128-18-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-62-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2128-23-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-64-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-63-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-65-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-67-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-66-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-69-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-40-0x0000000000550000-0x0000000000551000-memory.dmp

            Filesize

            4KB

          • memory/2128-73-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-83-0x00000000004B0000-0x00000000004B2000-memory.dmp

            Filesize

            8KB

          • memory/2128-84-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-86-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-88-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-89-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2128-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2128-157-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-107-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2240-108-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2240-109-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2240-182-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2240-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2240-210-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-103-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2944-102-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2944-101-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2944-128-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2944-181-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2944-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB