Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 14:17

General

  • Target

    c52509f0fd2a0d02f79feca22c3c50d8b6a90e316e5f46b3b6a16fd925bd971d.dll

  • Size

    120KB

  • MD5

    9dcdca614d8517d442fc455925c83a5b

  • SHA1

    117697cb3921f5f8ce903420181bdc348e2fbb88

  • SHA256

    c52509f0fd2a0d02f79feca22c3c50d8b6a90e316e5f46b3b6a16fd925bd971d

  • SHA512

    9abe1123b3fb495e718e3b755f95769cb761e9f32a48683fea1ccd44498be3fb39b708f5ef35dfa0d3e83c24596eecf0eba7a62c77892c8a79da923974b8d5f9

  • SSDEEP

    3072:BPecF/pvjQ4U7rHnHEGaIu6/i7oC/QSfg1x:BPecFBMPHHHEGaIL/i7PIOm

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

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c52509f0fd2a0d02f79feca22c3c50d8b6a90e316e5f46b3b6a16fd925bd971d.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1316
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c52509f0fd2a0d02f79feca22c3c50d8b6a90e316e5f46b3b6a16fd925bd971d.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2244
              • C:\Users\Admin\AppData\Local\Temp\f76eef1.exe
                C:\Users\Admin\AppData\Local\Temp\f76eef1.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:2136
              • C:\Users\Admin\AppData\Local\Temp\f76f077.exe
                C:\Users\Admin\AppData\Local\Temp\f76f077.exe
                4⤵
                • Executes dropped EXE
                PID:2632
              • C:\Users\Admin\AppData\Local\Temp\f770aab.exe
                C:\Users\Admin\AppData\Local\Temp\f770aab.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:2664
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1620

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76eef1.exe

            Filesize

            97KB

            MD5

            d8c0dbfff9cae8e002f0555fcb880648

            SHA1

            79f13f3ff82ac4caba479441ed293874e37f2d58

            SHA256

            bddf45ce9d131f18f8f72d256651f5b4f6b1da58360b79eeb49fdc6a3a6c0057

            SHA512

            09dd4911e7e91ff01346cbe900f1bb3d85b0e05277ca7bce6b5fbf2bd80d37190d39845e3e4854e7a276199c7d892e1703a2e6c97ac223e08420486ba513bf39

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            6f9e346578847320b64e91817ef6394e

            SHA1

            864f433f14fad8e0eb68308ebafd6c9be8eb02ef

            SHA256

            8bb509fcdbe72e8c5af424ffb6fdf30ef5e1842b7467bbf5ec03d3dc74090732

            SHA512

            91ce54aa335511637936a77987c92f0b1026dfd7195da4097405b8c22d7060c9ba5e7ff976259a7852d6f878a357372461fa4ce44f2a354653746b8cd80e53c2

          • memory/1108-25-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/2136-86-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-106-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-19-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-64-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-62-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-18-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-20-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-24-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-22-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2136-152-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-56-0x00000000005C0000-0x00000000005C2000-memory.dmp

            Filesize

            8KB

          • memory/2136-57-0x00000000005C0000-0x00000000005C2000-memory.dmp

            Filesize

            8KB

          • memory/2136-65-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-88-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-21-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-84-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-17-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-41-0x00000000005D0000-0x00000000005D1000-memory.dmp

            Filesize

            4KB

          • memory/2136-83-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-69-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-68-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-23-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-16-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-66-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-14-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2136-63-0x00000000006E0000-0x000000000179A000-memory.dmp

            Filesize

            16.7MB

          • memory/2244-7-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2244-52-0x0000000000610000-0x0000000000622000-memory.dmp

            Filesize

            72KB

          • memory/2244-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2244-33-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2244-81-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2244-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2244-34-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2244-42-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2244-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2244-50-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2244-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2244-53-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2632-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2632-97-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2632-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2632-184-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2632-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2664-101-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2664-102-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2664-104-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2664-168-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2664-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2664-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2664-208-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB