Analysis

  • max time kernel
    85s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 03:50

General

  • Target

    7b05c29a2939cdff9a6bc43edc87994d6def3bf0b998616127749b844ac08bd6N.dll

  • Size

    120KB

  • MD5

    35ec66ce32a3ecfbf47e52f293db2310

  • SHA1

    da75902f6f563f474ac34d76c73113283eedf198

  • SHA256

    7b05c29a2939cdff9a6bc43edc87994d6def3bf0b998616127749b844ac08bd6

  • SHA512

    50bbe1eeec4c2d90c31b2ba8479acc53141faae2cb51fbd7b8f761f736e878c265376e8c1674b96df0f80702a53e1dbbc9a92f4f676e4c7a06221b9cf2db9176

  • SSDEEP

    1536:9+XAVGqWLB9T5FaxTxAhe7YV0ChBAYp1TWhzHM3R+ba/Lcla2BTZPRNTvq:9+XAt0rLAAe7YV0ChBbdWVSgFPRNjq

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 13 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:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b05c29a2939cdff9a6bc43edc87994d6def3bf0b998616127749b844ac08bd6N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2380
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b05c29a2939cdff9a6bc43edc87994d6def3bf0b998616127749b844ac08bd6N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2424
              • C:\Users\Admin\AppData\Local\Temp\f76ce57.exe
                C:\Users\Admin\AppData\Local\Temp\f76ce57.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:2248
              • C:\Users\Admin\AppData\Local\Temp\f76cfbd.exe
                C:\Users\Admin\AppData\Local\Temp\f76cfbd.exe
                4⤵
                • Executes dropped EXE
                PID:2740
              • C:\Users\Admin\AppData\Local\Temp\f76ea7e.exe
                C:\Users\Admin\AppData\Local\Temp\f76ea7e.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:2604
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2036

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            ee0d06259bf2afee8d12e3b783db1e8c

            SHA1

            6186032026383b6beb97e5f9bd8c1dfa5ecf33ed

            SHA256

            75255bf6a67f35f1df09557a190cdee4a573098238206b875f108414998dd410

            SHA512

            ccf7223b94820fdef73709916aa7399170f25013a5689ccbad9ab9dea99f2c86bb166ccf6333149139c78f963ed35ed32c77f32c857d3e126e5c8246430378e7

          • \Users\Admin\AppData\Local\Temp\f76ce57.exe

            Filesize

            97KB

            MD5

            f368a0afab4f46850bce955f3b8287f7

            SHA1

            f804ace0e5ab8d1432f9a52c9bedc27ee9e18967

            SHA256

            09f80b2794632687fdf33a28b09d2fad179c2bff086c5dce27990f53ecf834d7

            SHA512

            65cd857ffa2e8be15c494e5047b8b77eb94f7244d0b29536ac6557ea43d820503fedd0d9fd13bc59b353b0ef78bd8c46d25dc2b16bd6d19d12ea7436b9937120

          • memory/1108-23-0x0000000001F50000-0x0000000001F52000-memory.dmp

            Filesize

            8KB

          • memory/2248-107-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-144-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2248-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-145-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-15-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-110-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-109-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

            Filesize

            4KB

          • memory/2248-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2248-79-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2248-105-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-14-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-13-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-16-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-58-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2248-59-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-60-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-61-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-103-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-82-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-77-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-81-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2248-78-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/2424-39-0x0000000000290000-0x0000000000291000-memory.dmp

            Filesize

            4KB

          • memory/2424-7-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2424-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2424-66-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2424-50-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2424-48-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2424-31-0x0000000000290000-0x0000000000291000-memory.dmp

            Filesize

            4KB

          • memory/2424-30-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2424-72-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/2424-73-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2604-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2604-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2604-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2604-163-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2604-201-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2604-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2740-91-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2740-92-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2740-98-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2740-115-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2740-51-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2740-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB