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
    16-12-2024 03:26

General

  • Target

    28a963f9ec554c902f8ec6e33b34b99db13a23a9ebdcf14093459da9b4ba8265N.dll

  • Size

    120KB

  • MD5

    f112073658e5d0e542527695f1261450

  • SHA1

    b99bdac4e5a85e284dea2afaf4dfa8b51d0d0971

  • SHA256

    28a963f9ec554c902f8ec6e33b34b99db13a23a9ebdcf14093459da9b4ba8265

  • SHA512

    d4588abf50e4d61ecb850f9dacf17925e0f27a15e740d30f0031c1e6b50b1876f81b42f111a6c49ccdf97211d2720bca53c99fbd3651617e38cd64784ee39d6a

  • SSDEEP

    3072:YwTO4enpqie8isWP/Ff3kPJnOMjzwgmm33csFE:nS4cPrG00I0pKE

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 25 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\28a963f9ec554c902f8ec6e33b34b99db13a23a9ebdcf14093459da9b4ba8265N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2420
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\28a963f9ec554c902f8ec6e33b34b99db13a23a9ebdcf14093459da9b4ba8265N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2912
              • C:\Users\Admin\AppData\Local\Temp\f76b2fa.exe
                C:\Users\Admin\AppData\Local\Temp\f76b2fa.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:2152
              • C:\Users\Admin\AppData\Local\Temp\f76b4fd.exe
                C:\Users\Admin\AppData\Local\Temp\f76b4fd.exe
                4⤵
                • Executes dropped EXE
                PID:2740
              • C:\Users\Admin\AppData\Local\Temp\f76cf8f.exe
                C:\Users\Admin\AppData\Local\Temp\f76cf8f.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:3048
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1204

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            bb4796db3b5d755dd936f5f8fc6b8286

            SHA1

            5237bf050f562344588c9086bd13b41b788d4edf

            SHA256

            d45ee05c438d6195cf4a441aa70e998ad8d34a2009c7cc119601eee16873b402

            SHA512

            821ac25d1cb0367db8b0c91f2b0df33217f6242ecd8d0a03f37ab2018f348cf252be0b7cdf2701501ae45dc740e4339121b63bfca9b360bc1ad2e9ae422005ed

          • \Users\Admin\AppData\Local\Temp\f76b2fa.exe

            Filesize

            97KB

            MD5

            6d62a6529866abf7ddd208f56bce9c35

            SHA1

            f35c87ff14528317cab2b711aa50280465f6bda3

            SHA256

            81d296cde2ad078d11248bf02dbad7ff6b750040943462c5c2e4c6faf8d14f93

            SHA512

            acfc6d33b71ff1ddcf740f2717699eecd3dba21915c3ba327ec22f36d68df6985e930e85ecdd7f545a9515d5ab22907ba369836c5cc58dfc5c1855c024f5978e

          • memory/1100-29-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/2152-86-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-17-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-62-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-63-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-64-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-16-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-82-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2152-152-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-57-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2152-84-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2152-88-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-47-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2152-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2152-69-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-33-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-108-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-83-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2152-23-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-22-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-21-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-19-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-18-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-68-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-20-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-15-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-65-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-67-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2740-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2740-97-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2740-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2740-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2740-180-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2912-46-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2912-58-0x0000000000290000-0x00000000002A2000-memory.dmp

            Filesize

            72KB

          • memory/2912-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2912-11-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/2912-56-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2912-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2912-59-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2912-5-0x0000000000150000-0x0000000000162000-memory.dmp

            Filesize

            72KB

          • memory/2912-36-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2912-77-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2912-37-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/3048-130-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3048-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3048-156-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/3048-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3048-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3048-208-0x00000000009A0000-0x0000000001A5A000-memory.dmp

            Filesize

            16.7MB

          • memory/3048-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB