Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 00:20

General

  • Target

    8bd08149b61baeaceea179fcd12f74927a1fc8d75bd1826482fc8ade0fca1f42.dll

  • Size

    120KB

  • MD5

    4d8a6ffc21667d55052e3033646f0a48

  • SHA1

    38ade6bdb1d777c3f4008a3c0b67e16be964aa3c

  • SHA256

    8bd08149b61baeaceea179fcd12f74927a1fc8d75bd1826482fc8ade0fca1f42

  • SHA512

    513c6abc1a4ebc75e5b531bdbf3550bd48da44ab109a4cf341ae922c5f8b6b12e1be8a55343f45f355231a60cee00efc17a0f6d7c8112833a10872abc650ff71

  • SSDEEP

    1536:91eFdJhDBgvMYvMyZqF/YNblTdP4mQP73ByYHXxioGZ2HRyHzQ53NKiChzgvf3vV:9UF6QapZ6Ht7icRMzQKGvvRX

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 2 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 23 IoCs
  • UPX dump on OEP (original entry point) 27 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 23 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 39 IoCs
  • Suspicious use of WriteProcessMemory 34 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:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8bd08149b61baeaceea179fcd12f74927a1fc8d75bd1826482fc8ade0fca1f42.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1268
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8bd08149b61baeaceea179fcd12f74927a1fc8d75bd1826482fc8ade0fca1f42.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2792
              • C:\Users\Admin\AppData\Local\Temp\f760f5c.exe
                C:\Users\Admin\AppData\Local\Temp\f760f5c.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:2860
              • C:\Users\Admin\AppData\Local\Temp\f76149a.exe
                C:\Users\Admin\AppData\Local\Temp\f76149a.exe
                4⤵
                • Executes dropped EXE
                PID:1800
              • C:\Users\Admin\AppData\Local\Temp\f762b35.exe
                C:\Users\Admin\AppData\Local\Temp\f762b35.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:2584
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2132

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\f760f5c.exe

                  Filesize

                  97KB

                  MD5

                  1413003e179627e8c36d402c0d7daae8

                  SHA1

                  751b504c49083ca14a0cc5a7a65f46f59292d440

                  SHA256

                  6516e528ffbabeea59ded7f7d42f26a5c710197ea057f259d022979d6741bd9a

                  SHA512

                  4530acbeb05e50ed8abe364ee8ea401ae89a71754cfb03b4306ec05a2f7799a0a6180984eb5055fa60a8d77136056ade53f22b15506c12e96c092b275ca70413

                • C:\Windows\SYSTEM.INI

                  Filesize

                  256B

                  MD5

                  a4de8dd662e9cef1263919bc61661ec0

                  SHA1

                  5160f6b1cea79cb0a4d18e3ac20abe3f752f6e59

                  SHA256

                  57e5f4dd0ed56e928b8a69727cafe8ce26fcec04a1c0ea4d511f30313405686d

                  SHA512

                  93dc53272e84853753306691953e5fc55ac99bf7e760d6d0853aa649d82f4ad4049b022246284c16d4bc20d3c426271f31228bca9641dea188eeb304017e9969

                • memory/1120-16-0x0000000001F90000-0x0000000001F92000-memory.dmp

                  Filesize

                  8KB

                • memory/1800-94-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/1800-45-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1800-96-0x0000000000270000-0x0000000000271000-memory.dmp

                  Filesize

                  4KB

                • memory/1800-147-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2584-102-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2584-190-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2584-189-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2584-79-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2584-104-0x0000000000270000-0x0000000000271000-memory.dmp

                  Filesize

                  4KB

                • memory/2584-152-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2792-30-0x0000000000290000-0x0000000000291000-memory.dmp

                  Filesize

                  4KB

                • memory/2792-28-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB

                • memory/2792-33-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB

                • memory/2792-36-0x0000000000290000-0x0000000000291000-memory.dmp

                  Filesize

                  4KB

                • memory/2792-10-0x0000000000240000-0x0000000000252000-memory.dmp

                  Filesize

                  72KB

                • memory/2792-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2792-73-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB

                • memory/2792-76-0x0000000001E90000-0x0000000001EA2000-memory.dmp

                  Filesize

                  72KB

                • memory/2792-14-0x0000000000240000-0x0000000000252000-memory.dmp

                  Filesize

                  72KB

                • memory/2792-78-0x0000000000240000-0x0000000000242000-memory.dmp

                  Filesize

                  8KB

                • memory/2860-59-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-83-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-60-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-61-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-62-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-63-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-65-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-35-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-52-0x0000000002E50000-0x0000000002E51000-memory.dmp

                  Filesize

                  4KB

                • memory/2860-58-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2860-53-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2860-80-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-81-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-29-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-85-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-47-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-26-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-23-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-20-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-109-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2860-17-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-148-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-15-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-11-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2860-13-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2860-9-0x0000000000560000-0x000000000161A000-memory.dmp

                  Filesize

                  16.7MB