Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 11:47

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 18 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • 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\9b3b170bbb3f39d42d115b2fad701689f154cddb2e3657648d60001adc3e0e3a.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2896
            • 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:2908
              • C:\Users\Admin\AppData\Local\Temp\f769f7a.exe
                C:\Users\Admin\AppData\Local\Temp\f769f7a.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:316
              • C:\Users\Admin\AppData\Local\Temp\f76a14e.exe
                C:\Users\Admin\AppData\Local\Temp\f76a14e.exe
                4⤵
                • Executes dropped EXE
                PID:2128
              • C:\Users\Admin\AppData\Local\Temp\f76be7f.exe
                C:\Users\Admin\AppData\Local\Temp\f76be7f.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:2720
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1048

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1019796fef13d28785514853deaf0925

            SHA1

            a0144760ca790274d4d304532eadaf057721d11f

            SHA256

            175f1125eb1b7ade43a3b80e9e4072fd88a5c819db1162126cd5c62df811914c

            SHA512

            d6b71273b2c2710418c2894e0f76c16415e659185a7623cae19b24e1505086bb70b7ba287b507e6905edfa0cbc0e65043be0765a5219706d2253e1b925adf7a2

          • \Users\Admin\AppData\Local\Temp\f769f7a.exe

            Filesize

            97KB

            MD5

            3737e71afb6f2bb2581baf33d0d1480b

            SHA1

            9f1e0831c229df901ef95e3f41fdc476eaca0152

            SHA256

            cc9820428c01f5e3bed586e85727be81269a3a746f5fff7dd65882cc7f31ff81

            SHA512

            b6098c3fa29f3965de2c25472a633779c035a9d65466c33d41c97bd000ad067d8252ce009e990d96505fed0729cbffb283da78def32b57e991ca5bdf533d6ba7

          • memory/316-90-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-67-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-88-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-65-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-24-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-14-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-50-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/316-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/316-76-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-64-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-60-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/316-72-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-153-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-23-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/316-71-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-70-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-16-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-69-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-66-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1116-30-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/2128-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2128-106-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2128-98-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2128-182-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2128-131-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2720-166-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2720-212-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-211-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-105-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2720-104-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2908-59-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2908-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2908-85-0x0000000000180000-0x0000000000182000-memory.dmp

            Filesize

            8KB

          • memory/2908-12-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2908-10-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/2908-39-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2908-40-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2908-49-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2908-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2908-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2908-61-0x00000000001D0000-0x00000000001E2000-memory.dmp

            Filesize

            72KB

          • memory/2908-62-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2908-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB