Analysis

  • max time kernel
    83s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 03:53

General

  • Target

    b9660b106f127000d1a856cc57b05d8e90f80bab0f014262191e21d724cf5b4fN.dll

  • Size

    120KB

  • MD5

    b5b470c2dff8b27a38604733c9c3ef50

  • SHA1

    c79bbead38360d3e013d1e665a86c6efb2bbaadc

  • SHA256

    b9660b106f127000d1a856cc57b05d8e90f80bab0f014262191e21d724cf5b4f

  • SHA512

    b2908f86fd71d667e7d812f9a3d4733d9ad75e13e4f1d73579848bcd1f0bdfee91c055b1f51204ddd7d2183ba2e49462b96da3ac74d5f577f2e53f6d897a6975

  • SSDEEP

    1536:wdItgk5pFOVbCVU6LMoFiGLpwpzl5dUzANHGVYbRjN7iEEki8PKzSumcAI:cUfYIV/7KPUzANT7iEE78PKzdpZ

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 14 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:1076
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9660b106f127000d1a856cc57b05d8e90f80bab0f014262191e21d724cf5b4fN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2384
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9660b106f127000d1a856cc57b05d8e90f80bab0f014262191e21d724cf5b4fN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2892
              • C:\Users\Admin\AppData\Local\Temp\f76b367.exe
                C:\Users\Admin\AppData\Local\Temp\f76b367.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\f76b56a.exe
                C:\Users\Admin\AppData\Local\Temp\f76b56a.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:2704
              • C:\Users\Admin\AppData\Local\Temp\f76cee3.exe
                C:\Users\Admin\AppData\Local\Temp\f76cee3.exe
                4⤵
                • Executes dropped EXE
                PID:1648
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1800

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76b367.exe

            Filesize

            97KB

            MD5

            a2d67024000ab921f878394bfae57efb

            SHA1

            8f48bdda40c16a3609f4921da4104dd3258861f0

            SHA256

            776705b163d725538ed0e91a1e1ffc31c2dd4bd96005885998622a3224d0396e

            SHA512

            0cd62d6fea4f1335fc34421734827346b11f33a59ed366bad5b790c16d76f3efb107c975ed75471fda4522b8fffd3f9e58e72b0716b7efaa0304d062bdb0aa41

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            30d8ac38165211b5401c771fde521b59

            SHA1

            c16d0d0a50f4c7ffd5ec41f16a6cd599f7b34b20

            SHA256

            032644ed6c8a234d2c372c18cdd71499de6b327d8761e77b2205931b71221425

            SHA512

            2cda33cf17f6d9de681a90715fe31e822ec03ef571f4d3a75b2fee70d3c16741c98c6d08722a655da90758d883e851caf6cf158a1c3d57724b1071e1a32e118e

          • memory/1076-26-0x0000000001F00000-0x0000000001F02000-memory.dmp

            Filesize

            8KB

          • memory/1648-199-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1648-136-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1648-106-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1648-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2544-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-108-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-43-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2544-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2544-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-41-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2544-156-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-109-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-25-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-61-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2544-87-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-86-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB

          • memory/2544-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2544-82-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-99-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2704-195-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-194-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2704-181-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2704-126-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2704-98-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2704-100-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2892-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2892-33-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2892-53-0x00000000000E0000-0x00000000000E2000-memory.dmp

            Filesize

            8KB

          • memory/2892-73-0x00000000000E0000-0x00000000000E2000-memory.dmp

            Filesize

            8KB

          • memory/2892-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2892-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2892-32-0x00000000000E0000-0x00000000000E2000-memory.dmp

            Filesize

            8KB

          • memory/2892-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2892-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2892-52-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2892-51-0x00000000000E0000-0x00000000000E2000-memory.dmp

            Filesize

            8KB

          • memory/2892-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2892-42-0x0000000000170000-0x0000000000171000-memory.dmp

            Filesize

            4KB

          • memory/2892-200-0x00000000002A0000-0x00000000002B2000-memory.dmp

            Filesize

            72KB