Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 05:16

General

  • Target

    010939362fa50cca694402dc308593faee70561953d6654de0fd91519e76a589N.dll

  • Size

    120KB

  • MD5

    6212a7dfe74fa4f35b5b368f19e0bee0

  • SHA1

    d8fb44eb555818bca32cd14a812df7a896744133

  • SHA256

    010939362fa50cca694402dc308593faee70561953d6654de0fd91519e76a589

  • SHA512

    ef8cf4ff01a1499323abd77754db9745204e3ed522fe69a3ff0de50845367cba026798d0964e475f051dbc73d342709a7345b91ea51849de4104b8a0f39ba29a

  • SSDEEP

    1536:fcu9NK+ix/93K03rmRh5X+mR7Lzgxe286Os9mKPlyk56aLB5Ac:fcuvK+kF6Aw73YMmPlykgadGc

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

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1204
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1252
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\010939362fa50cca694402dc308593faee70561953d6654de0fd91519e76a589N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1456
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\010939362fa50cca694402dc308593faee70561953d6654de0fd91519e76a589N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1956
              • C:\Users\Admin\AppData\Local\Temp\f78361e.exe
                C:\Users\Admin\AppData\Local\Temp\f78361e.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:2704
              • C:\Users\Admin\AppData\Local\Temp\f7837a4.exe
                C:\Users\Admin\AppData\Local\Temp\f7837a4.exe
                4⤵
                • Executes dropped EXE
                PID:2756
              • C:\Users\Admin\AppData\Local\Temp\f7851f7.exe
                C:\Users\Admin\AppData\Local\Temp\f7851f7.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:1052
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1784

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f78361e.exe

            Filesize

            97KB

            MD5

            9affbe14a65bd607fab6d9e21e4f93f2

            SHA1

            811389eb1442853337303e939af0bc7c2d60e767

            SHA256

            cfb51a15eeb3440041199416f85ae044b8f86f307a79a320a64e73887bf58aea

            SHA512

            fc79c9b1c8d03005c7aba42c0f54f3433017b266eeca5d59002ff2de4b5d53a9503338eadba2aaf32e922ea38f8f4cfb8f33fd727155b4b36abb24c45eab9635

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            ca98562fb28f0cbea0c1ea67acf67d23

            SHA1

            56548f9d710eaa4bede68f67c87c23e4fca9bc5a

            SHA256

            034777c2095e01f936d96f65cb55905b1d4b3e92f9b7682544aaa882b15d55b9

            SHA512

            92cc79c0d47efdc2089a7fe80ba8a38e56edd5049847ff093e32f0dda749bde98efe9ed78dbaa6b95fa3aaa958122be9a3934b07390868d2bda063b9a57edff9

          • memory/1052-104-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/1052-105-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1052-214-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1052-213-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1052-174-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/1052-175-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1052-106-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/1100-29-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1956-78-0x0000000000320000-0x0000000000332000-memory.dmp

            Filesize

            72KB

          • memory/1956-9-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/1956-39-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1956-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1956-77-0x0000000000320000-0x0000000000332000-memory.dmp

            Filesize

            72KB

          • memory/1956-60-0x00000000002C0000-0x00000000002D2000-memory.dmp

            Filesize

            72KB

          • memory/1956-38-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/1956-58-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/1956-47-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1956-80-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/1956-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1956-59-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2704-63-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-156-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-20-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-19-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2704-64-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-65-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-67-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-68-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-21-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-79-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2704-50-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2704-23-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-85-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-86-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-13-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-18-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-15-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-22-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-48-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2704-16-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-107-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-109-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-111-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-17-0x00000000006B0000-0x000000000176A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-53-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2704-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2756-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2756-125-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2756-100-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2756-95-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2756-96-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2756-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB