Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 19:55

General

  • Target

    30145c92a641a4a40f04066651b4093cc1aeca7914062e2f1b8e9a117ef08134.dll

  • Size

    120KB

  • MD5

    c57cc1c788cd19fbe0370452be81fc90

  • SHA1

    056df98b108c420f0fb1465a64d98f1f2e10090d

  • SHA256

    30145c92a641a4a40f04066651b4093cc1aeca7914062e2f1b8e9a117ef08134

  • SHA512

    d9e81149aee6e191813393e9da59c6302fca109979991a0e8909c32dfe202b55ff63bfc0e171b2e268eb45ef2b0c971c1eee7d3a5ba67fda89a31a258b29da9d

  • SSDEEP

    3072:+2/Jn/VnEW74W6qxqrgKPBBW7gsxGqoW3PCIt:+o1/BE3W6qQPUim/7t

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 26 IoCs
  • UPX dump on OEP (original entry point) 31 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 26 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 33 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:1208
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1260
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\30145c92a641a4a40f04066651b4093cc1aeca7914062e2f1b8e9a117ef08134.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1720
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\30145c92a641a4a40f04066651b4093cc1aeca7914062e2f1b8e9a117ef08134.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2084
              • C:\Users\Admin\AppData\Local\Temp\f76754f.exe
                C:\Users\Admin\AppData\Local\Temp\f76754f.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2332
              • C:\Users\Admin\AppData\Local\Temp\f76783c.exe
                C:\Users\Admin\AppData\Local\Temp\f76783c.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 policy modification
                PID:2468
              • C:\Users\Admin\AppData\Local\Temp\f76952e.exe
                C:\Users\Admin\AppData\Local\Temp\f76952e.exe
                4⤵
                • Executes dropped EXE
                PID:1652
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1076

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            b8a1e97b991ffc2a435d04928543f24e

            SHA1

            78676a205cc666626ecb09e568525d5ce5bc1298

            SHA256

            d8f86db6cee69df277406ef4b9820bcc45c991be05a89e830aee8d269be13cc6

            SHA512

            f7c1bb76316de2bb9c7e3e54d73505ad5eccc26fba86e2d158da6259cf719dfd6916746d76a2e67b0e3da733123433d5e1f27e90ab92c751f0a20a33667c7c08

          • \Users\Admin\AppData\Local\Temp\f76754f.exe

            Filesize

            97KB

            MD5

            bee317ce3f6683067aef3736de474d94

            SHA1

            ed9fb70af7261295f443055047cfb51b646c6aeb

            SHA256

            9f9d8b9e8c70b0e5d9ac21f09232ca7fb1bf668cef97c8fd8ad1460042788ce4

            SHA512

            fe40b179725c7a446b1c6d6ee215e018976e65827a16b17367f663f296b0a1ffdc81a0aec768b83e43273ecdc4abc4e00a0107d40351f1cdddb0dfe991a276af

          • memory/1104-31-0x0000000001BC0000-0x0000000001BC2000-memory.dmp

            Filesize

            8KB

          • memory/1652-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1652-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1652-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1652-179-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1652-102-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2084-56-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2084-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2084-46-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2084-59-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2084-58-0x00000000002E0000-0x00000000002F2000-memory.dmp

            Filesize

            72KB

          • memory/2084-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

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

            Filesize

            128KB

          • memory/2084-79-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

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

            Filesize

            128KB

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

            Filesize

            128KB

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

            Filesize

            128KB

          • memory/2084-37-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2084-38-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2332-62-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-25-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-49-0x0000000002EF0000-0x0000000002EF2000-memory.dmp

            Filesize

            8KB

          • memory/2332-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-68-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-70-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-24-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-47-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

            Filesize

            4KB

          • memory/2332-71-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-86-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-87-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2332-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-149-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-57-0x0000000002EF0000-0x0000000002EF2000-memory.dmp

            Filesize

            8KB

          • memory/2332-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2332-109-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-126-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2468-96-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2468-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2468-105-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2468-168-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2468-175-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2468-174-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2468-106-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB