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Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/12/2024, 15:33

General

  • Target

    ed920a87e7fffd8bf95f42f43ce12834845f60a9a3efbc6bb9c1ec2a3c3aa5b4N.dll

  • Size

    120KB

  • MD5

    1664e6f8c1df7eef528d93c44e104900

  • SHA1

    e3b2f4baca78a692412e3128c6ac2c4cfef015cf

  • SHA256

    ed920a87e7fffd8bf95f42f43ce12834845f60a9a3efbc6bb9c1ec2a3c3aa5b4

  • SHA512

    98b39b08c40b13b0c489a80b70cfcb607b39ef26c95045ea304042684baf4bb4dcf054ac07eb2ee1371e82cbab786b1f968335e7f80f6de00d104d9c227066dd

  • SSDEEP

    1536:5orE1mniLs+zhQhZQEuWkNDxoh+cO9HYV/lSeFeryXh7Zv91/z3rTr49adfWOpHZ:nz+SG+94TS385rIaoO5DDn/3qnFoeB2

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 26 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:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed920a87e7fffd8bf95f42f43ce12834845f60a9a3efbc6bb9c1ec2a3c3aa5b4N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2508
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed920a87e7fffd8bf95f42f43ce12834845f60a9a3efbc6bb9c1ec2a3c3aa5b4N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2084
              • C:\Users\Admin\AppData\Local\Temp\f76ae49.exe
                C:\Users\Admin\AppData\Local\Temp\f76ae49.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:2988
              • C:\Users\Admin\AppData\Local\Temp\f76afdf.exe
                C:\Users\Admin\AppData\Local\Temp\f76afdf.exe
                4⤵
                • Executes dropped EXE
                PID:2716
              • C:\Users\Admin\AppData\Local\Temp\f76ca13.exe
                C:\Users\Admin\AppData\Local\Temp\f76ca13.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:2592
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1388

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            fbda1b3396088c40825aaf1f737ba02e

            SHA1

            5a5249ad43d595b242a2583f1163657ea368da06

            SHA256

            c71bb069c534feceb4e34518fb75f6084b19330b0de4b0263b824a6608da2a8a

            SHA512

            1b13effe163940013fad79773b0bfe3085ffd510dcf3547c145e2ee93d21aa6f5e8739ca49feeaab6b0ac8fdb8dd151bfb9e381f2ac50a4f6d637801ffebee4c

          • \Users\Admin\AppData\Local\Temp\f76ae49.exe

            Filesize

            97KB

            MD5

            83b41e08aa69c793c9b752725b749bf9

            SHA1

            991009a9ae9dff0072e036e353bf328101e420da

            SHA256

            ca5dd1e0abf6982bf695a1f19c3d4572d205ad18a81ea4b77a03805eebf3b572

            SHA512

            4de8f36eb0d7b5786c022ced7a4107b544f278603b18347606d25fdab21cbc2a6f39a1c60aed9ed474c98f4585a1f5654d5e0a6f246b00233b037d14c998a298

          • memory/1104-30-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/2084-45-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2084-80-0x00000000007E0000-0x00000000007F2000-memory.dmp

            Filesize

            72KB

          • memory/2084-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2084-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2084-82-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2084-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2084-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2084-6-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/2084-78-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2084-55-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2084-36-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2084-37-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2084-58-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2084-57-0x00000000007C0000-0x00000000007D2000-memory.dmp

            Filesize

            72KB

          • memory/2592-205-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2592-106-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2592-103-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2592-104-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2592-163-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2592-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2592-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2716-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2716-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2716-178-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2716-130-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2716-98-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2988-88-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-62-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-63-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-66-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-67-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-23-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-24-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-46-0x00000000004B0000-0x00000000004B1000-memory.dmp

            Filesize

            4KB

          • memory/2988-48-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2988-74-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2988-84-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-87-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-19-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-56-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2988-18-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-64-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-21-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-61-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-22-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-108-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-110-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-111-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-60-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-152-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2988-20-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-16-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-17-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-14-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/2988-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB