Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 04:58

General

  • Target

    e57afc723567408d1a3a99e0c95475316bcf83440fd8944e6730c5b95b43efbfN.dll

  • Size

    120KB

  • MD5

    189e5e2b0c3a9cfeec4de5d51c1ec800

  • SHA1

    186316d59086dba9363fcdef5c4c5b079301e1dd

  • SHA256

    e57afc723567408d1a3a99e0c95475316bcf83440fd8944e6730c5b95b43efbf

  • SHA512

    5112b7ecd7e1db1c9cc2fe09d995dddf492895f24afad10657265b69c2f9cfbeb87c26737a71d3e319798f13f74c574b573c045204312a3b48555a6a06d3969c

  • SSDEEP

    3072:QwXxdeSh8VLtbpXiJSgDn1APxNVlU2Ud7ueRaVIl:voShubpX0peZNvLUdSeo

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 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:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1156
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\e57afc723567408d1a3a99e0c95475316bcf83440fd8944e6730c5b95b43efbfN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1152
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\e57afc723567408d1a3a99e0c95475316bcf83440fd8944e6730c5b95b43efbfN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2680
              • C:\Users\Admin\AppData\Local\Temp\f76bf1b.exe
                C:\Users\Admin\AppData\Local\Temp\f76bf1b.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:2136
              • C:\Users\Admin\AppData\Local\Temp\f76c0cf.exe
                C:\Users\Admin\AppData\Local\Temp\f76c0cf.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:2976
              • C:\Users\Admin\AppData\Local\Temp\f76dd64.exe
                C:\Users\Admin\AppData\Local\Temp\f76dd64.exe
                4⤵
                • Executes dropped EXE
                PID:3068
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1664

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76bf1b.exe

            Filesize

            97KB

            MD5

            9fb3842339f464471a1f403a4952d479

            SHA1

            69d0c23ae11aff790268339335fa1a36a26391c5

            SHA256

            7d488a5d4271ba99016ff6cd9e3427dd4fc2fd29221a34f5d987d184ae6c5d76

            SHA512

            c77a514e65decbd322e6b0b876ff1fd08724c3b7c8e02b3596480533f5b770f85790527bb1f0508146e7512383fc863727a38dccf040dabaddf9b5aa4128a682

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            cb8f8772c0fd2b425d98de0d474008f9

            SHA1

            98e94fa109c8a9f03af0c4cf768ed2d24ac94870

            SHA256

            a55bb1f574e2eb476d8830d8f5fb12ff6005d51451b960b5033137bb39c12d39

            SHA512

            f7b9e1baeaa6382f518ffbbfe1ef62476da1fc7b11538ce0408b6ad6943e48e3fb60df3bfcfee88c2cd8680c82100d49ca41e65ddfbe4535d1a9c997b6a4c685

          • memory/1100-32-0x0000000002090000-0x0000000002092000-memory.dmp

            Filesize

            8KB

          • memory/2136-90-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-64-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2136-157-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2136-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-24-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-88-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-66-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-110-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-23-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-51-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2136-72-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-67-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-74-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2136-25-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-49-0x0000000000460000-0x0000000000461000-memory.dmp

            Filesize

            4KB

          • memory/2136-71-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-22-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-26-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-70-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-68-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-73-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2680-40-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2680-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2680-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2680-48-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2680-59-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2680-60-0x0000000000460000-0x0000000000472000-memory.dmp

            Filesize

            72KB

          • memory/2680-61-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2680-39-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2680-82-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2680-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2680-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2680-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2680-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2976-195-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2976-103-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2976-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2976-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2976-99-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/2976-132-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2976-165-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2976-104-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/3068-107-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/3068-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3068-136-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3068-108-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3068-109-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/3068-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB