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Analysis

  • max time kernel
    29s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18/12/2024, 02:08

General

  • Target

    c96e84c57bbe2993fccef83cac472d5bad0b19ca4c73ab7b581346a54b4c5dafN.dll

  • Size

    120KB

  • MD5

    aad77b942a97206464e1a9c279889b30

  • SHA1

    3d9d3171a77a351adc4ba71b349a0a65be4757b1

  • SHA256

    c96e84c57bbe2993fccef83cac472d5bad0b19ca4c73ab7b581346a54b4c5daf

  • SHA512

    4e520b60f255905c734e2159493d7d6f4148d697a4bb8c7d0cff8d269925f028e87e492c91dc2bc05d4e59853103f984e5fc434470e048821125d2cddf684092

  • SSDEEP

    3072:shTeRa1aq0mP4Laf1I3pXrzYjYE3wr1JIy:shTqOavfZbcTk1JI

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 26 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 44 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • 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\c96e84c57bbe2993fccef83cac472d5bad0b19ca4c73ab7b581346a54b4c5dafN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2308
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c96e84c57bbe2993fccef83cac472d5bad0b19ca4c73ab7b581346a54b4c5dafN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1704
              • C:\Users\Admin\AppData\Local\Temp\f77a841.exe
                C:\Users\Admin\AppData\Local\Temp\f77a841.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:2644
              • C:\Users\Admin\AppData\Local\Temp\f77abc9.exe
                C:\Users\Admin\AppData\Local\Temp\f77abc9.exe
                4⤵
                • Executes dropped EXE
                PID:2804
              • C:\Users\Admin\AppData\Local\Temp\f77c909.exe
                C:\Users\Admin\AppData\Local\Temp\f77c909.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:1616
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f77a841.exe

            Filesize

            97KB

            MD5

            e7913e106e0eb68257bafcffe4038960

            SHA1

            4db431107c9f1c7e7d9a3d008aaf307989502ae6

            SHA256

            09966d9328e2e0d0e663f9a7a29c9a6cd436277ed27835a33c37a2f9ec699670

            SHA512

            eb4dc30529c5576ff75d2ad6f0db115ec9c0c3cbc168c0901f311b3521061a0fb8510db94c1b767e42463a94a13324636aaf745153480c0d7ab67d9df90664b2

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            b814783319ce20ab88a9b90f13155b75

            SHA1

            c98c288ed4a019fa0a92cad06f8771fab3512be9

            SHA256

            fd41741ca86238151dfb9b45f226e56208ada381233df57f2296db83c137faaa

            SHA512

            a36f1b91b1e669f7bf054b3ff8cf016210d39464a237ca230633189c1360e892704833766e973826526b548f494227d2d2aab8b886cc25e3069853ffd4feccee

          • memory/1116-28-0x0000000002000000-0x0000000002002000-memory.dmp

            Filesize

            8KB

          • memory/1616-109-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1616-211-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/1616-169-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1616-168-0x0000000000A80000-0x0000000001B3A000-memory.dmp

            Filesize

            16.7MB

          • memory/1616-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1616-107-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/1616-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1616-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1704-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1704-81-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/1704-82-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/1704-58-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/1704-35-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/1704-80-0x0000000000190000-0x0000000000192000-memory.dmp

            Filesize

            8KB

          • memory/1704-39-0x00000000001A0000-0x00000000001A1000-memory.dmp

            Filesize

            4KB

          • memory/1704-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1704-57-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/1704-36-0x00000000001A0000-0x00000000001A1000-memory.dmp

            Filesize

            4KB

          • memory/2644-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-61-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-62-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-63-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-64-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-66-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-68-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-69-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2644-70-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-71-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-46-0x0000000003CE0000-0x0000000003CE1000-memory.dmp

            Filesize

            4KB

          • memory/2644-49-0x00000000004E0000-0x00000000004E2000-memory.dmp

            Filesize

            8KB

          • memory/2644-16-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-88-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-90-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-22-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-14-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-13-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-15-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-110-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-112-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-152-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-128-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2804-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2804-101-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2804-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2804-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB