Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 12:50

General

  • Target

    dc601c6691a2e0cef6a435bcd208eda44f5d2dd726d8cb190318743b095f3fa7N.dll

  • Size

    120KB

  • MD5

    628df3fa2b3e32e263fc1a6057e0dbd0

  • SHA1

    31501361958dd2a4d98fb0495d384827237344e7

  • SHA256

    dc601c6691a2e0cef6a435bcd208eda44f5d2dd726d8cb190318743b095f3fa7

  • SHA512

    13b27aa06d06b9b456a363bd110bd7d2965915f78b412c53b9bb0f89b07c09ebb2d86217b6d42fa87ddfd739358e3cb969914856bd1334559dfa8f638caeb1bc

  • SSDEEP

    3072:9VIgjMrGSI6KVTRyTSML/dGyQfC4g/Ab:gbGSjKVTRySMLJQf1gw

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

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1032
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1048
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1112
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc601c6691a2e0cef6a435bcd208eda44f5d2dd726d8cb190318743b095f3fa7N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2688
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc601c6691a2e0cef6a435bcd208eda44f5d2dd726d8cb190318743b095f3fa7N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2888
              • C:\Users\Admin\AppData\Local\Temp\f769cbc.exe
                C:\Users\Admin\AppData\Local\Temp\f769cbc.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:2400
              • C:\Users\Admin\AppData\Local\Temp\f769e90.exe
                C:\Users\Admin\AppData\Local\Temp\f769e90.exe
                4⤵
                • Executes dropped EXE
                PID:2632
              • C:\Users\Admin\AppData\Local\Temp\f76bb25.exe
                C:\Users\Admin\AppData\Local\Temp\f76bb25.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:2500
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1420

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f769cbc.exe

            Filesize

            97KB

            MD5

            e922875a2cb0e46f1c3aac48609172e1

            SHA1

            a7cc6668fea5513093971433b6f035989cbe0a76

            SHA256

            7bebec8a5b011ce2d0a11365e3fb36dfb484b1ff0d507d9add9ba39a0f5d977e

            SHA512

            0a7cddd0106a2efa0f7276e96f3160532f2b04bba4d133557d42f0d26e93fa9b076bb7a6b5477ef535c6ca1f28b535a06c370591ec1ed44d59dacbc10d6616c3

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            2859cf4f46d7cf0745716b915e8f22ba

            SHA1

            5e4617f658d3df092578409939f5450c9e90d190

            SHA256

            c41c88864924c50334e19cea1b1fd3330895057faad1a32e70ca9717323bd0aa

            SHA512

            6a8e7df517c97152878290219d024b3d5be0b9af1461b91e365b7909b6994bc08ad81bbfbfa9a2dc7a91c892407936d71e2219f6a989b67b6e656638a35c39e5

          • memory/1032-28-0x0000000001EA0000-0x0000000001EA2000-memory.dmp

            Filesize

            8KB

          • memory/2400-59-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2400-19-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-22-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-21-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-47-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2400-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2400-61-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-55-0x00000000002B0000-0x00000000002B2000-memory.dmp

            Filesize

            8KB

          • memory/2400-151-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-45-0x00000000003C0000-0x00000000003C1000-memory.dmp

            Filesize

            4KB

          • memory/2400-86-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-20-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-85-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-60-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-63-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-18-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-17-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-14-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-13-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-15-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-67-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-66-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-16-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-83-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-62-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2400-65-0x0000000000630000-0x00000000016EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-105-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2500-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2500-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2500-204-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2500-163-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2500-107-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2500-203-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2632-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2632-176-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2632-96-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2632-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2888-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2888-44-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2888-35-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2888-54-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2888-56-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2888-57-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2888-36-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2888-5-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2888-79-0x00000000001F0000-0x0000000000202000-memory.dmp

            Filesize

            72KB

          • memory/2888-81-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB