Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 18:26

General

  • Target

    81ce31befb556b3b1bd2c5c4ae856ed699bf6834762b7f1e0b6649ab239a56afN.dll

  • Size

    120KB

  • MD5

    85480369e78c1a3ca3d5d0cd7c189910

  • SHA1

    9afdf036da5cc5e30d40018e8af18b24970c7049

  • SHA256

    81ce31befb556b3b1bd2c5c4ae856ed699bf6834762b7f1e0b6649ab239a56af

  • SHA512

    d02c754aed0f46d704a1aea1c23af10d87e1b751f507b24e818dcee2b60c3c607864ae818097ba497f9f2a033e2b8e4bf199b81c794e594faf47da927dbcefc7

  • SSDEEP

    1536:G6nHX+sLm6SVf/4HcVU6CzvacOuQtaeAPo0wZN7gJ8ahvTqkZ3mUy5IRZCLS34jm:LnHOKmFxhFCacOunErMN3VF53yRHg

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 17 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 23 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:1064
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1144
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1176
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\81ce31befb556b3b1bd2c5c4ae856ed699bf6834762b7f1e0b6649ab239a56afN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2076
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\81ce31befb556b3b1bd2c5c4ae856ed699bf6834762b7f1e0b6649ab239a56afN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2380
              • C:\Users\Admin\AppData\Local\Temp\f76c4d5.exe
                C:\Users\Admin\AppData\Local\Temp\f76c4d5.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:2368
              • C:\Users\Admin\AppData\Local\Temp\f76c65b.exe
                C:\Users\Admin\AppData\Local\Temp\f76c65b.exe
                4⤵
                • Executes dropped EXE
                PID:2980
              • C:\Users\Admin\AppData\Local\Temp\f76e080.exe
                C:\Users\Admin\AppData\Local\Temp\f76e080.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:2244
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2016

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            e5a97e62ccd44c1d333784012199fbd8

            SHA1

            6699b83d0ce02bc4e059c6c499e6ae00ce6233e7

            SHA256

            d2224e0d0a4b479d324a217c288f7f374728bde3065644815a92f92e7fa3ea51

            SHA512

            761f52e44c63eae3a81fe3ce4caafe82f3abae545d3565eb40cbffb498bbc5591304ee2a59f92ce469259a4856091116b89d0b939d19d0a1043f7cdb8091507f

          • \Users\Admin\AppData\Local\Temp\f76c4d5.exe

            Filesize

            97KB

            MD5

            78b6dcf4aa3afdfbe0532b3483f11753

            SHA1

            642adf16b96f41e651b33151e80ea543c7f9a9df

            SHA256

            fe1482ce2a3b6de31c998ea71e84dc127d6d28fb9cad3084207364e8ca5e9507

            SHA512

            b5d2afef84fd9ebd39f592def456756cd52ab0eed6898b35a1b3e5dad3f07875df1e4429dbb1442737da80a17aa00d7e2ec2638cead67ee1b58f4e65c3f5cba9

          • memory/1064-27-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/2244-218-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2244-219-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2244-175-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2244-140-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2244-107-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2244-111-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2244-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2368-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-91-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2368-162-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-59-0x0000000001610000-0x0000000001612000-memory.dmp

            Filesize

            8KB

          • memory/2368-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2368-51-0x0000000001610000-0x0000000001612000-memory.dmp

            Filesize

            8KB

          • memory/2368-49-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

            Filesize

            4KB

          • memory/2368-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-25-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-89-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-88-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-70-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-71-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2368-78-0x0000000001610000-0x0000000001612000-memory.dmp

            Filesize

            8KB

          • memory/2380-39-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2380-60-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2380-84-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2380-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2380-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2380-38-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2380-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2380-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2380-48-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2380-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2380-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2380-61-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2380-58-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2380-82-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2980-139-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2980-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2980-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2980-179-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2980-101-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2980-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB