Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 12:03

General

  • Target

    9b3b170bbb3f39d42d115b2fad701689f154cddb2e3657648d60001adc3e0e3a.dll

  • Size

    120KB

  • MD5

    86aeb089a2395c21afa40275c472ab1f

  • SHA1

    20ca0aeb17cebe9d7859420f48597255dd58c11f

  • SHA256

    9b3b170bbb3f39d42d115b2fad701689f154cddb2e3657648d60001adc3e0e3a

  • SHA512

    4d19dc140b0b4b07644586091a881e8c9d635c0b6f41d3d2966e63391efaf7b1731c8ddd7186216c8e5c9012871ef5644d7e2e510820880cca5cd749d472cdbc

  • SSDEEP

    3072:tmF5Mklw0j5u0SOKfCbS0ucOGIPYS+hhN1hDnSqmQnbHRC:tm5l7be9EJLSqJbxC

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 15 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:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b3b170bbb3f39d42d115b2fad701689f154cddb2e3657648d60001adc3e0e3a.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:772
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b3b170bbb3f39d42d115b2fad701689f154cddb2e3657648d60001adc3e0e3a.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1124
              • C:\Users\Admin\AppData\Local\Temp\f76afbf.exe
                C:\Users\Admin\AppData\Local\Temp\f76afbf.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:2488
              • C:\Users\Admin\AppData\Local\Temp\f76b1a3.exe
                C:\Users\Admin\AppData\Local\Temp\f76b1a3.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:2804
              • C:\Users\Admin\AppData\Local\Temp\f76cb99.exe
                C:\Users\Admin\AppData\Local\Temp\f76cb99.exe
                4⤵
                • Executes dropped EXE
                PID:2752
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1388

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            b94d3ec0f07a1c6e99bc9419aa8487ae

            SHA1

            4a1d802e559f426930150d8e8dd6694bc14d6b29

            SHA256

            202c38f059cd78e7a6f1308b5f95803138809bbd16f691bbd53dbced534ce325

            SHA512

            4b4592e6530c5fd66aecc0341a0fd30f7950c55740c6655771e2ea7cba9d7b7d534ceadb374780f0186595238662d61c994374caa0fc1668ca0cb8b544b15b03

          • \Users\Admin\AppData\Local\Temp\f76afbf.exe

            Filesize

            97KB

            MD5

            3737e71afb6f2bb2581baf33d0d1480b

            SHA1

            9f1e0831c229df901ef95e3f41fdc476eaca0152

            SHA256

            cc9820428c01f5e3bed586e85727be81269a3a746f5fff7dd65882cc7f31ff81

            SHA512

            b6098c3fa29f3965de2c25472a633779c035a9d65466c33d41c97bd000ad067d8252ce009e990d96505fed0729cbffb283da78def32b57e991ca5bdf533d6ba7

          • memory/1100-31-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/1124-59-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/1124-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1124-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1124-12-0x0000000000370000-0x0000000000382000-memory.dmp

            Filesize

            72KB

          • memory/1124-56-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/1124-38-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/1124-58-0x00000000008F0000-0x0000000000902000-memory.dmp

            Filesize

            72KB

          • memory/1124-46-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/1124-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1124-77-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/1124-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1124-7-0x0000000000370000-0x0000000000382000-memory.dmp

            Filesize

            72KB

          • memory/1124-37-0x00000000005A0000-0x00000000005A2000-memory.dmp

            Filesize

            8KB

          • memory/2488-62-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-82-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-24-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-22-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-49-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2488-57-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2488-18-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-47-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/2488-21-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-20-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-23-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-17-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-19-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-63-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-64-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-65-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-66-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-68-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-69-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-15-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-25-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-83-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-86-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2488-87-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-88-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2488-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2488-159-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2752-110-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2752-111-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2752-203-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-108-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2752-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2752-160-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2804-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2804-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-137-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2804-172-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-107-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2804-199-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2804-198-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2804-109-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB