Analysis

  • max time kernel
    28s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2024, 14:23

General

  • Target

    630030987c99d569d87b1f3046da91c923d52daf5bd48395f48775ebfbc384dfN.dll

  • Size

    120KB

  • MD5

    db75d1d0e742e727f50e4edc9610c5a0

  • SHA1

    0133cd858e4c4bd160309d5377c2560e2c03c0c1

  • SHA256

    630030987c99d569d87b1f3046da91c923d52daf5bd48395f48775ebfbc384df

  • SHA512

    06f08e1464beac05595fb22662a33c32824cdad1b418bf89e68ada38098307ed7b9180c3923fcfaa49ce5a69d3a85888df1d64c1a9c903511960501cd8e36cd2

  • SSDEEP

    3072:ainrsVpOzQmXuxF4H0VtOUudsuNbmhfIUYcomU:dnLzQ2ux+H0zNukWU5

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 4 IoCs

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

  • UPX packed file 22 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\630030987c99d569d87b1f3046da91c923d52daf5bd48395f48775ebfbc384dfN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2648
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\630030987c99d569d87b1f3046da91c923d52daf5bd48395f48775ebfbc384dfN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2272
              • C:\Users\Admin\AppData\Local\Temp\f76fb9e.exe
                C:\Users\Admin\AppData\Local\Temp\f76fb9e.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:2700
              • C:\Users\Admin\AppData\Local\Temp\f76fed8.exe
                C:\Users\Admin\AppData\Local\Temp\f76fed8.exe
                4⤵
                • Executes dropped EXE
                PID:3064
              • C:\Users\Admin\AppData\Local\Temp\f771610.exe
                C:\Users\Admin\AppData\Local\Temp\f771610.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:2964
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1864

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76fb9e.exe

            Filesize

            97KB

            MD5

            1166d45e99dc0fb5ffcacf4764c45cae

            SHA1

            6c0ecd73a25210ef3f86cd5afbb2f46a32a12fe9

            SHA256

            a2ba7b3676c31f32b1ba058b1f0a6a5d04d81ec472ae12733796b59917ba6fb1

            SHA512

            27d62372758d7c3165be842f45bbb93cc231f5336b786aca3c05a782d03e2188bac7247ef02a574a584e5bc2fdaf6f0fac57a4b6bf53b7d85cadb7405b8ca9f1

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            aafc38be04b0ba90ea48f29c00f0ec04

            SHA1

            f8bdfd3e4637f0d7f20f25017e3ed0f8f260da4f

            SHA256

            a47c36fd29bf0f67463bd79a08705ff93415043fafc33bf488aecb8201e1cc62

            SHA512

            fbd2764580ccdbf40c959e62767bc9002d1f88c207eb7bb476af5e851a31999806b069cef0a1b1b481b369a9879d92d1f1473e0ef4beae10683830f35405abf4

          • memory/1108-27-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/2272-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2272-44-0x0000000000830000-0x0000000000831000-memory.dmp

            Filesize

            4KB

          • memory/2272-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2272-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2272-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2272-72-0x0000000000820000-0x0000000000822000-memory.dmp

            Filesize

            8KB

          • memory/2272-35-0x0000000000830000-0x0000000000831000-memory.dmp

            Filesize

            4KB

          • memory/2272-59-0x0000000000820000-0x0000000000822000-memory.dmp

            Filesize

            8KB

          • memory/2272-61-0x0000000000890000-0x00000000008A2000-memory.dmp

            Filesize

            72KB

          • memory/2272-7-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2272-62-0x0000000000820000-0x0000000000822000-memory.dmp

            Filesize

            8KB

          • memory/2272-14-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2272-34-0x0000000000820000-0x0000000000822000-memory.dmp

            Filesize

            8KB

          • memory/2700-21-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-103-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-24-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-25-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-23-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-20-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-52-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/2700-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2700-26-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-18-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-60-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/2700-17-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-19-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-127-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-22-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-78-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-79-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-126-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2700-105-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-104-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-50-0x00000000003A0000-0x00000000003A1000-memory.dmp

            Filesize

            4KB

          • memory/2700-101-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-100-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-77-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2700-99-0x0000000000390000-0x0000000000392000-memory.dmp

            Filesize

            8KB

          • memory/2700-98-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2964-76-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2964-93-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2964-94-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2964-177-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2964-96-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2964-178-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2964-134-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/3064-95-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3064-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/3064-97-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3064-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/3064-89-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/3064-182-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB