Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 10:05

General

  • Target

    ca3520bb71238cd29971800742a2fdcf6f28b4b6ab2d1a197698c03c935f5f56.dll

  • Size

    120KB

  • MD5

    d6000b480c07a9743a193fe5abcfec48

  • SHA1

    8e1956f5e235b5b6853497980b61b25e1740ef9e

  • SHA256

    ca3520bb71238cd29971800742a2fdcf6f28b4b6ab2d1a197698c03c935f5f56

  • SHA512

    5e29d0cef0e589943cced5f8fd2a6550fb42950483c87761833fd6c259b38644d4bcd9c2075ded6edd4020afd295935d02663865b30f1647be396ab4c55d3c01

  • SSDEEP

    3072:WEG2BEWmETe8A76x77y7K89JFYQ26+tAcGnN:WEnEWmE68pXyW4JFC6+bGnN

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 16 IoCs

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

  • UPX packed file 23 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:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca3520bb71238cd29971800742a2fdcf6f28b4b6ab2d1a197698c03c935f5f56.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2092
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca3520bb71238cd29971800742a2fdcf6f28b4b6ab2d1a197698c03c935f5f56.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2380
              • C:\Users\Admin\AppData\Local\Temp\f76b165.exe
                C:\Users\Admin\AppData\Local\Temp\f76b165.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:2560
              • C:\Users\Admin\AppData\Local\Temp\f76b2eb.exe
                C:\Users\Admin\AppData\Local\Temp\f76b2eb.exe
                4⤵
                • Executes dropped EXE
                PID:2776
              • C:\Users\Admin\AppData\Local\Temp\f76cd1f.exe
                C:\Users\Admin\AppData\Local\Temp\f76cd1f.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:2692
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1208

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1e5cc5fd18df62fd70f3f0633c55c0fd

            SHA1

            d867f30e17788c08f2f0154f377f05b5cf514b11

            SHA256

            1df247887700b1b00d1ecf96913659323d96487bf8a3458d13d7fc20fb30fa4f

            SHA512

            f495c81fb683c450b1a815a48f06d221eedb9aaa8092fe1df8f36ea5bed2c1754b336115e01faeb8fd742e67768831709cbf9d5c858b0a541d57b96471dca244

          • \Users\Admin\AppData\Local\Temp\f76b165.exe

            Filesize

            97KB

            MD5

            fafd8165729d676bada3bf706b55fca9

            SHA1

            7913da2b33b60c1ac750bc598338b48e6112bc98

            SHA256

            a21f258699deb9f7097eb02896583f7e377cdefdd09fd8ec04c9f98f237a566a

            SHA512

            4b47a2295a97aa376e30a1124bb5c24485a4391cbc6685b8408ed8fa5e6b3e02a57032c3fb98d63be8815715260355a9337573c00e2f1aba147c954e8a756148

          • memory/1100-27-0x00000000020F0000-0x00000000020F2000-memory.dmp

            Filesize

            8KB

          • memory/2380-36-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2380-46-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2380-37-0x00000000001D0000-0x00000000001D1000-memory.dmp

            Filesize

            4KB

          • memory/2380-60-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2380-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2380-80-0x00000000002C0000-0x00000000002D2000-memory.dmp

            Filesize

            72KB

          • memory/2380-82-0x00000000001C0000-0x00000000001C2000-memory.dmp

            Filesize

            8KB

          • memory/2380-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2380-53-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2380-59-0x00000000001E0000-0x00000000001F2000-memory.dmp

            Filesize

            72KB

          • memory/2560-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-50-0x0000000001690000-0x0000000001692000-memory.dmp

            Filesize

            8KB

          • memory/2560-14-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-11-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-70-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-155-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2560-47-0x00000000016A0000-0x00000000016A1000-memory.dmp

            Filesize

            4KB

          • memory/2560-13-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-79-0x0000000001690000-0x0000000001692000-memory.dmp

            Filesize

            8KB

          • memory/2560-85-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-87-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-89-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2560-156-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2692-212-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2692-213-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2692-181-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2692-136-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2692-112-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2776-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2776-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-131-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2776-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2776-101-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2776-103-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB