Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 14:16

General

  • Target

    6ff5045d9f0d11a24be36ca4d15465305ced6578248a9532c00e2b1d355afbe0N.dll

  • Size

    120KB

  • MD5

    07614bb098a0c9f5463da84061674800

  • SHA1

    65f4dd5a3cf6627aba66746b5a6a0413776e193d

  • SHA256

    6ff5045d9f0d11a24be36ca4d15465305ced6578248a9532c00e2b1d355afbe0

  • SHA512

    f0144c2f5c5c95c866d0d116082f46b078e35cbdba916fbb3c3873e87ca72a1a7a04a8ec052fdb43caaf5896e7f88f52d25b68b4aff71d55004961e66838f6e8

  • SSDEEP

    3072:Y3BDQ6MAEtc0YZ7PB1ukqVGdljKQsGKb45KeY5TDTloynv:uDqAIfYMw5sGEeY5Tv6ynv

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 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 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ff5045d9f0d11a24be36ca4d15465305ced6578248a9532c00e2b1d355afbe0N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2364
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ff5045d9f0d11a24be36ca4d15465305ced6578248a9532c00e2b1d355afbe0N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2080
              • C:\Users\Admin\AppData\Local\Temp\f770f0e.exe
                C:\Users\Admin\AppData\Local\Temp\f770f0e.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:1912
              • C:\Users\Admin\AppData\Local\Temp\f771094.exe
                C:\Users\Admin\AppData\Local\Temp\f771094.exe
                4⤵
                • Executes dropped EXE
                PID:668
              • C:\Users\Admin\AppData\Local\Temp\f773015.exe
                C:\Users\Admin\AppData\Local\Temp\f773015.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:1768
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            35bdb0cb3313d4c28d6e1ac937a4110e

            SHA1

            d4f007a703ec1add344e33ba5d79fb7060e380b6

            SHA256

            4f77fe9744f50097ffbd1f272103c6a111ab9f0d206788354b04fa8887096d52

            SHA512

            6faa33e8de2b41f5fd98c58a11eb9837fe541273dd137977dbe99c6ceb9a8bc6614e43b2c3977a4a2cb231f6609c570935833cea8220677e8e09dc0d2c6f0b40

          • \Users\Admin\AppData\Local\Temp\f770f0e.exe

            Filesize

            97KB

            MD5

            c81f2c6fb4166226ada49fe8356650e2

            SHA1

            42e939b11aea6325d9a2777c6266a027605378a1

            SHA256

            c254d57b1e791290db01c1476e72c1471b3e0be7a09a415a8cec90baa489ed90

            SHA512

            e122f864961684b1c1449947f0b7362cd4a09118dd8184908d6cf38a91d5280822303e9b41f2bd9d79158dcfdfe6ef635606707399a358d420e5dfb4177770f5

          • memory/668-100-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/668-99-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/668-101-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/668-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/668-163-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/668-127-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1104-29-0x00000000001D0000-0x00000000001D2000-memory.dmp

            Filesize

            8KB

          • memory/1768-137-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1768-108-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/1768-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/1768-178-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-217-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/1768-218-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1912-65-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-76-0x0000000000460000-0x0000000000462000-memory.dmp

            Filesize

            8KB

          • memory/1912-53-0x0000000000460000-0x0000000000462000-memory.dmp

            Filesize

            8KB

          • memory/1912-52-0x0000000000460000-0x0000000000462000-memory.dmp

            Filesize

            8KB

          • memory/1912-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1912-21-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-19-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-17-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-15-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-23-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-14-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-16-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-66-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-67-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-68-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-69-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-71-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-72-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-159-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1912-18-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-20-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-88-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-90-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-112-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-109-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-22-0x0000000000700000-0x00000000017BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1912-50-0x0000000000470000-0x0000000000471000-memory.dmp

            Filesize

            4KB

          • memory/2080-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2080-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2080-62-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2080-80-0x0000000000340000-0x0000000000352000-memory.dmp

            Filesize

            72KB

          • memory/2080-79-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2080-49-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2080-77-0x0000000000340000-0x0000000000352000-memory.dmp

            Filesize

            72KB

          • memory/2080-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2080-8-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2080-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2080-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2080-39-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB