Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 16:35

General

  • Target

    1dc20ea58857205c178d3d6790c4ef01e3385f8958eb439236ee2c37bd1040adN.dll

  • Size

    120KB

  • MD5

    e7e632de2af8920a36f463ee28e6e500

  • SHA1

    8ce5c4919ed733fe005006b57292e56f73c468b0

  • SHA256

    1dc20ea58857205c178d3d6790c4ef01e3385f8958eb439236ee2c37bd1040ad

  • SHA512

    ea43251a2e5571b6b975cb8682143ec3151997f113bb9b92035e70ec2cbd56c9e882d4bdb4b491294908741db24a2176de72782432a12fc4e83318ce206f1b51

  • SSDEEP

    3072:BqUdMbp2YNuJeLWildq7auurobwlsaUjJvyY4Kj:UUdsp10JeLW1+troEqaUjJ6D

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 15 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 22 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\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1064
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1128
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1156
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1dc20ea58857205c178d3d6790c4ef01e3385f8958eb439236ee2c37bd1040adN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2400
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1dc20ea58857205c178d3d6790c4ef01e3385f8958eb439236ee2c37bd1040adN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2376
              • C:\Users\Admin\AppData\Local\Temp\f76b220.exe
                C:\Users\Admin\AppData\Local\Temp\f76b220.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:2576
              • C:\Users\Admin\AppData\Local\Temp\f76b3a6.exe
                C:\Users\Admin\AppData\Local\Temp\f76b3a6.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:2904
              • C:\Users\Admin\AppData\Local\Temp\f76cdda.exe
                C:\Users\Admin\AppData\Local\Temp\f76cdda.exe
                4⤵
                • Executes dropped EXE
                PID:624
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1876

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            bada3774ab39dac1cfe578b912967c68

            SHA1

            1cd3fd458959ca82f6c3966e060c196f2b500f9a

            SHA256

            eab8b9d8825a1fd0f246e899eafc8522f1087ca4ede9fa46faf973839834ad38

            SHA512

            0b575ed4791e7540abd090c753128d1e677297bef18f5327b9012b5769b7a1751ab4d697d3a9d375819b64d00ee17d469729c660e461fa2a56bff361f20f3ea9

          • \Users\Admin\AppData\Local\Temp\f76b220.exe

            Filesize

            97KB

            MD5

            92389994b15356afb6db063a3c3c95d2

            SHA1

            dad3af36c0d4530be1bbfd0c943efd184f7d0cdf

            SHA256

            c5ecc6348576d74917b1c161381a2bf8d6df02216d11642ad99fc7ea7270a01b

            SHA512

            7a127dd2843fdf1fcd4cb0a38aadb053af03092dce1a92ea98397a218ef877fe8704b755447500df4e291d2a4aa672ef5e52944fa5364fd15f8f2b47d4938994

          • memory/624-107-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/624-140-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/624-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/624-111-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/624-204-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/624-109-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1064-26-0x0000000002090000-0x0000000002092000-memory.dmp

            Filesize

            8KB

          • memory/2376-51-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2376-53-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/2376-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2376-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2376-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2376-81-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2376-54-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2376-33-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2376-82-0x0000000000430000-0x0000000000442000-memory.dmp

            Filesize

            72KB

          • memory/2376-43-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2376-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2376-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2376-6-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2376-34-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2576-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-87-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-24-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-62-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2576-61-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2576-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-67-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-69-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-70-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-84-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/2576-23-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-86-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-42-0x0000000000480000-0x0000000000481000-memory.dmp

            Filesize

            4KB

          • memory/2576-91-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-25-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-161-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2576-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-162-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2576-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-139-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2904-101-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2904-108-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2904-110-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2904-179-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2904-55-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB