Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 21:03

General

  • Target

    812e635d4faaeb320bee34875a150b04f4c8e41f223b10be2c40a191816bedd9.dll

  • Size

    120KB

  • MD5

    f82e666e784246920082829ddc3f8629

  • SHA1

    0b25264b6b94845f6909874a452ac8d67fbbcc3a

  • SHA256

    812e635d4faaeb320bee34875a150b04f4c8e41f223b10be2c40a191816bedd9

  • SHA512

    38a19bfcc2645e8ea8c87fac501912e19373289f17a5dfd049b0bc8ce80ab889e0a6e1dbfce7d55e4ef6c0a0e6a1e007d3ccae1ea85f03e8c4551db4c1b0976b

  • SSDEEP

    1536:BJMmGWYxWpRz9wF5Yp6zGYZFl8FVJtiomoRRbvbmYv/NiZLrKRVsnsgsf9SWoo:BJ4yWsIiYt8Comovbvb7HUxKv/x9Oo

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 23 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\812e635d4faaeb320bee34875a150b04f4c8e41f223b10be2c40a191816bedd9.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2404
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\812e635d4faaeb320bee34875a150b04f4c8e41f223b10be2c40a191816bedd9.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1512
              • C:\Users\Admin\AppData\Local\Temp\f7697fb.exe
                C:\Users\Admin\AppData\Local\Temp\f7697fb.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:2420
              • C:\Users\Admin\AppData\Local\Temp\f7699c0.exe
                C:\Users\Admin\AppData\Local\Temp\f7699c0.exe
                4⤵
                • Executes dropped EXE
                PID:2136
              • C:\Users\Admin\AppData\Local\Temp\f76b3b5.exe
                C:\Users\Admin\AppData\Local\Temp\f76b3b5.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:2480
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1532

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f7697fb.exe

            Filesize

            97KB

            MD5

            7b71625c73195706952d7b4276b4e6a7

            SHA1

            33a75e7a495b688ae2880e11955ab7afe83014f0

            SHA256

            8845aa194e4965cbd16583383c4261c0ebb06cd1d3e9b6b4453f4a4b913f6df5

            SHA512

            edca678a348a34247a387a79b17aa3d4329422baad0a76b22bf72210284cbcffe4c289b5a7d37b68a3a6413f6410b8de9a69708afde253f90c61fc9c83e39e82

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            67a01900f01a30539fc78be0fa96df98

            SHA1

            2f24aa416e67e0f1f7e5bda98e1e3b53f941d2fe

            SHA256

            7cd8dc98dced0754f70b5b90f38304e1316b43b2ff52e0d564a2d79a0c6a4d57

            SHA512

            85855f7535d7b62c54041b8140c2e2c1048accdd0960351ca824c41033d8ef8617c8a2e8fe4328342bdd57b81d9bc944454ab1d68da56a32c4df4ee82fa60d6f

          • memory/1112-26-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/1512-56-0x0000000000280000-0x0000000000292000-memory.dmp

            Filesize

            72KB

          • memory/1512-85-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1512-213-0x00000000002E0000-0x00000000002F2000-memory.dmp

            Filesize

            72KB

          • memory/1512-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1512-36-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1512-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1512-35-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1512-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1512-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1512-86-0x00000000002E0000-0x00000000002F2000-memory.dmp

            Filesize

            72KB

          • memory/1512-12-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/1512-53-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1512-78-0x00000000002E0000-0x00000000002F2000-memory.dmp

            Filesize

            72KB

          • memory/1512-44-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1512-57-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2136-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2136-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2136-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2136-103-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2136-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2136-184-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2420-65-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-92-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-45-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2420-18-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-22-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-66-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-67-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-69-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-68-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-71-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-72-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2420-87-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2420-23-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-55-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2420-59-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2420-90-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-17-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-93-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-16-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2420-157-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-25-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-19-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-24-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-21-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2420-20-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-137-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2480-111-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2480-169-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-112-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2480-113-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2480-211-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2480-88-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB