Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/11/2024, 14:11

General

  • Target

    2bd4dbd512b05f460fa9769cd9a0a311d4fc5190ab52e752db6ea83bc3372fcaN.dll

  • Size

    120KB

  • MD5

    b1b0361802367ecdf0c5d362d63f9070

  • SHA1

    771c646e92c052bb3971bc023f4e7eda9844ee00

  • SHA256

    2bd4dbd512b05f460fa9769cd9a0a311d4fc5190ab52e752db6ea83bc3372fca

  • SHA512

    f608ecd2145ca65e8e8aa4458c43c48efe6a87ccbc7a134c40670d65725372114ca74681555c7ced4c31adbee92a82e8068cb368e96474838def65375c36785c

  • SSDEEP

    3072:7WKxI1b4lkZ1xADwXkAPYooFaSj97Fbp+MAvgo:7WD1b4W1yDgkAAjD57Fbpm

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 24 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bd4dbd512b05f460fa9769cd9a0a311d4fc5190ab52e752db6ea83bc3372fcaN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2940
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bd4dbd512b05f460fa9769cd9a0a311d4fc5190ab52e752db6ea83bc3372fcaN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2468
              • C:\Users\Admin\AppData\Local\Temp\f767f8c.exe
                C:\Users\Admin\AppData\Local\Temp\f767f8c.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:1140
              • C:\Users\Admin\AppData\Local\Temp\f768160.exe
                C:\Users\Admin\AppData\Local\Temp\f768160.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:1872
              • C:\Users\Admin\AppData\Local\Temp\f769b55.exe
                C:\Users\Admin\AppData\Local\Temp\f769b55.exe
                4⤵
                • Executes dropped EXE
                PID:2208
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:784

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f767f8c.exe

            Filesize

            97KB

            MD5

            a48f62992f6967017971bd8eace95e8b

            SHA1

            13ca8ebbbb32d7763c69d8d038da9a00eb83e7c3

            SHA256

            40b395bd079b89d6c7a9dc3826b17264a7c355280cc4f73490741cbca219aec4

            SHA512

            c13ceb216d0a10dbfe84b78d0e1418a1b096ad52de9c90d59e2e03aef166fda073c2c735f8204923e8124fbe0b7afd9a626a749646b19998f2229e479632bb25

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            d31fc5b6b07a8b6d0733cd51fddab0ba

            SHA1

            ed0e763aad94cf17787c7c2839d121c285828229

            SHA256

            7cab916cc9adf44be4fb375419826a8dd0d4161253c0f464a107aefd536cb4ec

            SHA512

            262626d78863553fd6c84cbaa11b773c52bd4570c047f02d09e96187ab3fee931250ba288e9365095948a33b71c8f978c194a96fcbd0f3af2dee4a458de4e8aa

          • memory/1100-23-0x0000000001F90000-0x0000000001F92000-memory.dmp

            Filesize

            8KB

          • memory/1140-62-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-158-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-16-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1140-64-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1140-111-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-109-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-17-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-20-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-22-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-21-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-19-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-18-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-66-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-87-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-85-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-15-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-84-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/1140-83-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-14-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-60-0x0000000000470000-0x0000000000472000-memory.dmp

            Filesize

            8KB

          • memory/1140-61-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-12-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-41-0x00000000004C0000-0x00000000004C1000-memory.dmp

            Filesize

            4KB

          • memory/1140-63-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1140-68-0x00000000005D0000-0x000000000168A000-memory.dmp

            Filesize

            16.7MB

          • memory/1872-53-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1872-180-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/1872-197-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1872-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1872-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1872-98-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1872-99-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1872-198-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2208-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2208-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2208-108-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2208-181-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2208-106-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2468-40-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2468-51-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2468-50-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2468-8-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2468-9-0x0000000000140000-0x0000000000152000-memory.dmp

            Filesize

            72KB

          • memory/2468-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2468-49-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2468-32-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2468-31-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2468-80-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2468-77-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB