Analysis

  • max time kernel
    29s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 02:45

General

  • Target

    3ad88f354a5992f27cee7f853ac2f23afe6f41ab5bf22d5ec346bfd71cec76a7N.dll

  • Size

    120KB

  • MD5

    6b57c8910557ee5c4672ff83fc7d47a0

  • SHA1

    5e549d0d067bddb83b303cd5e263550548509752

  • SHA256

    3ad88f354a5992f27cee7f853ac2f23afe6f41ab5bf22d5ec346bfd71cec76a7

  • SHA512

    4ab0ee5993298df5f0fe440a7a2159f4a2219cd06238819392f5f60147c2a86956353824b7911ba20e8c14b3a918799b4e59d40b66d2368c61c306f6e25d2a02

  • SSDEEP

    3072:7DbVORWEclZKBLDIN1pZ5q7V2KI3mScK:XbVVEeZKBLsNr/qcKAmS

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 11 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 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad88f354a5992f27cee7f853ac2f23afe6f41ab5bf22d5ec346bfd71cec76a7N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3012
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad88f354a5992f27cee7f853ac2f23afe6f41ab5bf22d5ec346bfd71cec76a7N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2424
              • C:\Users\Admin\AppData\Local\Temp\f77f335.exe
                C:\Users\Admin\AppData\Local\Temp\f77f335.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:3008
              • C:\Users\Admin\AppData\Local\Temp\f77f6ec.exe
                C:\Users\Admin\AppData\Local\Temp\f77f6ec.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2900
              • C:\Users\Admin\AppData\Local\Temp\f780efe.exe
                C:\Users\Admin\AppData\Local\Temp\f780efe.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • System policy modification
                PID:2224
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1644

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            5fd95faa8644b3d1babb621f0ea373a4

            SHA1

            c6b9cc96a5e5d1191d36a38d5316c1a4105c4c47

            SHA256

            f5f3dc1cd0906deffcdb6fd642b2ba2ef4de0c17c1d451e19b043c44debe47f8

            SHA512

            1abdba045844c1bd165de6b4a5623552e3f4db9a0b3431c90c172e8830b6120a23607e0a83e1f6b4009454768053b393874e7edae7fbe005f4bb2d1d70cd12f4

          • \Users\Admin\AppData\Local\Temp\f77f335.exe

            Filesize

            97KB

            MD5

            1418dfe1e1ed80045131a08b86cb5116

            SHA1

            9c10b3dd4d2abe9133fa612c2c41f9c00f2ab069

            SHA256

            8501a3132b8a9818999ddde81def6093f875e73f686e02632ac789d8007ee48a

            SHA512

            06ddc16958864303450ec6f3eb9e9978fc9a8f9d0b5aa76507f165cba0dc7b3ae002df1780ac6654252ab05d324bf1c1dc7b1616b097a99f996c201b55a0a902

          • memory/1112-23-0x0000000001C40000-0x0000000001C42000-memory.dmp

            Filesize

            8KB

          • memory/2224-127-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2224-103-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2224-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2224-204-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2224-101-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2424-8-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2424-31-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2424-77-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2424-69-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/2424-75-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2424-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2424-56-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2424-57-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2424-45-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2424-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2424-32-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2900-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2900-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2900-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2900-149-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2900-97-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2900-186-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2900-93-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2900-122-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3008-18-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-49-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/3008-62-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-79-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-61-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-80-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-68-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/3008-82-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-83-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-19-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-15-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-14-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-48-0x0000000000320000-0x0000000000322000-memory.dmp

            Filesize

            8KB

          • memory/3008-64-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-16-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-104-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-107-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-108-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-110-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-21-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-46-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/3008-146-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3008-147-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-20-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-17-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-13-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-11-0x0000000000710000-0x00000000017CA000-memory.dmp

            Filesize

            16.7MB

          • memory/3008-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB