Analysis

  • max time kernel
    31s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2024 10:30

General

  • Target

    3536369c6040cfbe451ce4ceaf3121e269c75d21f41fb6c451edcea9f67bddc2N.dll

  • Size

    120KB

  • MD5

    57b0e5e089cbe37c058600a6c0bac490

  • SHA1

    43b134b9dbc3a7e3585a0d1dfc83910d7425ce43

  • SHA256

    3536369c6040cfbe451ce4ceaf3121e269c75d21f41fb6c451edcea9f67bddc2

  • SHA512

    eb94229c45098bebd7b1a5267bdc9bfe104e320772993c98f4291eb4f9fec47409769db884b97b98ad9ed334689c5f44f0e3a09bec946f987a68932e48ddc55c

  • SSDEEP

    1536:mIWEvHB3H7Ny7hbzvB4YjMq6tuUOTYNWSKT81l6sP4jN6pG9ZlxED:mIWsdZwhbLB1pWuUOT/hTSDuTb0D

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 12 IoCs

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

  • UPX packed file 21 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:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3536369c6040cfbe451ce4ceaf3121e269c75d21f41fb6c451edcea9f67bddc2N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1644
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3536369c6040cfbe451ce4ceaf3121e269c75d21f41fb6c451edcea9f67bddc2N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3028
              • C:\Users\Admin\AppData\Local\Temp\f76a13f.exe
                C:\Users\Admin\AppData\Local\Temp\f76a13f.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:2544
              • C:\Users\Admin\AppData\Local\Temp\f76a2e4.exe
                C:\Users\Admin\AppData\Local\Temp\f76a2e4.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\f76c35f.exe
                C:\Users\Admin\AppData\Local\Temp\f76c35f.exe
                4⤵
                • Executes dropped EXE
                PID:1664
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1500

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            7ab5d14858c892d234945da793fc12a8

            SHA1

            b8514447d3b7155daa111b42a17268b649e27042

            SHA256

            05d75f8ec5b571772dfcae8fa24c747752d3c2aa1317069ea7a64ac64e59209a

            SHA512

            1eada94ab32f0a8a231f22f60cd723555686ad8a971d5bfec70a36a6d3329dddd98608a3a04fde4f625d3e9ab938814a6f9a7884095055a52b5fce717a9f1d90

          • \Users\Admin\AppData\Local\Temp\f76a13f.exe

            Filesize

            97KB

            MD5

            3fb014a1991f47b88462414ca279fbbb

            SHA1

            6ae6b96857836f2aa1c65e5d4f02740388611307

            SHA256

            5f45750ec05f6d3f87749421519653a9a43ecc2a2fa67a3e8624dccaa01d8fec

            SHA512

            394fe7c4e1f24c7c1f0c76c296d2cf4207c519163a482522be9f71ed929cfde80efc4a54fc583e8de858a27b10b92efb6cad497bcfe511f41b9555d2e6c1164c

          • memory/1120-28-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/1664-195-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1664-191-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1664-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1664-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2544-64-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-68-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-48-0x0000000000340000-0x0000000000341000-memory.dmp

            Filesize

            4KB

          • memory/2544-51-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2544-18-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-16-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2544-13-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2544-17-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-14-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-21-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-20-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-19-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-152-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-110-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-108-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-63-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-22-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-65-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-66-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-15-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-71-0x0000000000330000-0x0000000000332000-memory.dmp

            Filesize

            8KB

          • memory/2544-70-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-86-0x0000000000620000-0x00000000016DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-126-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2904-196-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2904-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2904-97-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2904-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2904-190-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2904-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3028-58-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3028-60-0x0000000000720000-0x0000000000732000-memory.dmp

            Filesize

            72KB

          • memory/3028-75-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3028-61-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3028-37-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3028-38-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/3028-47-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/3028-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/3028-76-0x0000000000740000-0x0000000000752000-memory.dmp

            Filesize

            72KB

          • memory/3028-8-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/3028-85-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB