Analysis

  • max time kernel
    150s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2025 13:19

General

  • Target

    JaffaCakes118_6a9388e7d70e460e4c4fb99c3a9ffc37.exe

  • Size

    250KB

  • MD5

    6a9388e7d70e460e4c4fb99c3a9ffc37

  • SHA1

    71628bd8d8499472ed808a66819d284bf5b8ae49

  • SHA256

    3e776d11b420660ffbbe73f18affe85e09c70914dd55b56b8088bf707ba58cbd

  • SHA512

    a74cffedf367c28f1f6f5e062d5fdad43b2617c47046f3aa58fb13cbb060ac75c7ee80e2fcc467344d8629676889ebf31587f3077853ea5464ecb6e2aef6e90b

  • SSDEEP

    3072:dsyONZz0y6eZkGkBeLkeos8kXV6ndv3lxD7KyALWAHXDpuadxfaWrchw:dsyONZF2GMFkloN3lx36X5Jew

Malware Config

Extracted

Family

xtremerat

C2

kaan1993.zapto.org

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Detect XtremeRAT payload 3 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Xtremerat family
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • UPX packed file 15 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1220
          • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a9388e7d70e460e4c4fb99c3a9ffc37.exe
            "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a9388e7d70e460e4c4fb99c3a9ffc37.exe"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1056
            • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\45324.exe
              "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\45324.exe"
              3⤵
              • 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:2592
              • C:\Windows\SysWOW64\svchost.exe
                svchost.exe
                4⤵
                • System Location Discovery: System Language Discovery
                PID:2508
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe"
                4⤵
                  PID:2892
              • C:\Windows\system32\cmd.exe
                cmd /c C:\Users\Admin\AppData\Local\Temp\melt.bat
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2800
                • C:\Windows\system32\taskkill.exe
                  TASKKILL /F /T /IM stub
                  4⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2752
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            1⤵
              PID:1244

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\45324.exe

              Filesize

              104KB

              MD5

              e43a534d74ead52586f1902683d2125a

              SHA1

              bab02bc7ed36e20d1399fc145f93c170e7faf85d

              SHA256

              9b0d675ad33fe7702ecd21acff261fd74df1fc62ab0fa2fa8103b77fdd6f4b82

              SHA512

              024c655b2e074a11cea900bbc4db8cbe1e0ae2f99021c45579e959e4c3c5482a4cc5c4a2f4230ce60e8c928695ea5d169a1770cbb7d1a5a5d1b96b8ca0da61e4

            • C:\Users\Admin\AppData\Local\Temp\melt.bat

              Filesize

              117B

              MD5

              9c3ba3359c48725d9a13de6da539f64a

              SHA1

              8cb70ffeb9c0c9f6c927ff7742538f66eea2552c

              SHA256

              ce958a357e65f9a7a50e5ddd27c85807e3c347a258d5ca768078311a9cf772a9

              SHA512

              f4446c6314431fab3c85fe15bf61c0fa99fad351ead43375fb1916ef39a6762411a5857caa2e0fd14de35841ed4d40d199e926347424774113071d7c3f71b90b

            • memory/1056-1-0x000007FEF6500000-0x000007FEF6E9D000-memory.dmp

              Filesize

              9.6MB

            • memory/1056-2-0x000007FEF6500000-0x000007FEF6E9D000-memory.dmp

              Filesize

              9.6MB

            • memory/1056-60-0x000007FEF6500000-0x000007FEF6E9D000-memory.dmp

              Filesize

              9.6MB

            • memory/1056-0-0x000007FEF67BE000-0x000007FEF67BF000-memory.dmp

              Filesize

              4KB

            • memory/1108-17-0x0000000000560000-0x0000000000562000-memory.dmp

              Filesize

              8KB

            • memory/2508-61-0x0000000010000000-0x000000001005E000-memory.dmp

              Filesize

              376KB

            • memory/2508-33-0x0000000010000000-0x000000001005E000-memory.dmp

              Filesize

              376KB

            • memory/2508-31-0x0000000010000000-0x000000001005E000-memory.dmp

              Filesize

              376KB

            • memory/2592-37-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

              Filesize

              16.6MB

            • memory/2592-16-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

              Filesize

              16.6MB

            • memory/2592-36-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

              Filesize

              16.6MB

            • memory/2592-47-0x0000000010000000-0x000000001005E000-memory.dmp

              Filesize

              376KB

            • memory/2592-34-0x0000000000580000-0x0000000000582000-memory.dmp

              Filesize

              8KB

            • memory/2592-58-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

              Filesize

              16.6MB

            • memory/2592-15-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

              Filesize

              16.6MB

            • memory/2592-14-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

              Filesize

              16.6MB

            • memory/2592-13-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

              Filesize

              16.6MB

            • memory/2592-35-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

              Filesize

              16.6MB

            • memory/2592-12-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

              Filesize

              16.6MB

            • memory/2592-29-0x00000000032D0000-0x00000000032D1000-memory.dmp

              Filesize

              4KB

            • memory/2592-27-0x00000000032D0000-0x00000000032D1000-memory.dmp

              Filesize

              4KB

            • memory/2592-26-0x0000000000580000-0x0000000000582000-memory.dmp

              Filesize

              8KB

            • memory/2592-30-0x0000000000580000-0x0000000000582000-memory.dmp

              Filesize

              8KB

            • memory/2592-10-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

              Filesize

              16.6MB

            • memory/2592-9-0x0000000010000000-0x000000001005E000-memory.dmp

              Filesize

              376KB