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Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2023, 22:47

General

  • Target

    NEAS.61418413389e6d8a1e211e0439d9e610_JC.exe

  • Size

    3.9MB

  • MD5

    61418413389e6d8a1e211e0439d9e610

  • SHA1

    67014cd768a296d0905744041a5555a4a4954be4

  • SHA256

    c1105061553868eb708e61236cdc5798c948e03f10b619004d9387e041ccd54e

  • SHA512

    f38b828f54a560aadec70f4dfb9eb9a6ee66834a63917e2b4d55f05e3868b53f9b3c22fabc3c94c68abf22e9c788061a1ffafd56e8772933c185ff3e95aa013e

  • SSDEEP

    98304:vLWZSniVByw6gEXGzEY7ssGw6gEXGzEY7JRwtBadLhRQyzw6gEXGzEY7ssGw6gEQ:MXKgGQjEgGQjHIegGQjEgGQj

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Program crash 18 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.61418413389e6d8a1e211e0439d9e610_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.61418413389e6d8a1e211e0439d9e610_JC.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\NEAS.61418413389e6d8a1e211e0439d9e610_JC.exe
      C:\Users\Admin\AppData\Local\Temp\NEAS.61418413389e6d8a1e211e0439d9e610_JC.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3456
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\NEAS.61418413389e6d8a1e211e0439d9e610_JC.exe" /TN 34meJ9Be2ef7 /F
        3⤵
        • Creates scheduled task(s)
        PID:3196
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 34meJ9Be2ef7 > C:\Users\Admin\AppData\Local\Temp\YJpOy.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3052
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 34meJ9Be2ef7
          4⤵
            PID:568
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 616
          3⤵
          • Program crash
          PID:4620
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 632
          3⤵
          • Program crash
          PID:1896
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 736
          3⤵
          • Program crash
          PID:3524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 752
          3⤵
          • Program crash
          PID:1912
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 792
          3⤵
          • Program crash
          PID:4992
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 828
          3⤵
          • Program crash
          PID:3372
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1464
          3⤵
          • Program crash
          PID:4076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1876
          3⤵
          • Program crash
          PID:1964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 2144
          3⤵
          • Program crash
          PID:1144
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1972
          3⤵
          • Program crash
          PID:2524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1956
          3⤵
          • Program crash
          PID:2148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 2132
          3⤵
          • Program crash
          PID:2804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 2128
          3⤵
          • Program crash
          PID:2864
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 2172
          3⤵
          • Program crash
          PID:4800
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1976
          3⤵
          • Program crash
          PID:1432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 2148
          3⤵
          • Program crash
          PID:4888
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 1996
          3⤵
          • Program crash
          PID:3668
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 768
          3⤵
          • Program crash
          PID:3548
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3456 -ip 3456
      1⤵
        PID:1532
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3456 -ip 3456
        1⤵
          PID:1716
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3456 -ip 3456
          1⤵
            PID:2948
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3456 -ip 3456
            1⤵
              PID:2072
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3456 -ip 3456
              1⤵
                PID:2568
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3456 -ip 3456
                1⤵
                  PID:1164
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3456 -ip 3456
                  1⤵
                    PID:4484
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3456 -ip 3456
                    1⤵
                      PID:4360
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3456 -ip 3456
                      1⤵
                        PID:4448
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3456 -ip 3456
                        1⤵
                          PID:1560
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3456 -ip 3456
                          1⤵
                            PID:1804
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 3456 -ip 3456
                            1⤵
                              PID:1188
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3456 -ip 3456
                              1⤵
                                PID:4404
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 3456 -ip 3456
                                1⤵
                                  PID:2284
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3456 -ip 3456
                                  1⤵
                                    PID:3256
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 612 -p 3456 -ip 3456
                                    1⤵
                                      PID:4740
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 3456 -ip 3456
                                      1⤵
                                        PID:1968
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3456 -ip 3456
                                        1⤵
                                          PID:1912

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\NEAS.61418413389e6d8a1e211e0439d9e610_JC.exe

                                          Filesize

                                          3.9MB

                                          MD5

                                          4c1867d76e45c9fbc373b957771ea1db

                                          SHA1

                                          51039c053ad7f475834564c7d5d44193f57bc1f0

                                          SHA256

                                          b015756765d425b55915a86ae564fe7f1eedb931e2658cc701bb114a91eba6d8

                                          SHA512

                                          370ce91a2acbb6b4465e45f32891700ae767961d8e2d74f8a925e33bae2d6ba94e85741ae4d15e4b01562bea4f5611cf6d99c6f515d903376fc329e5622804a8

                                        • C:\Users\Admin\AppData\Local\Temp\YJpOy.xml

                                          Filesize

                                          1KB

                                          MD5

                                          0f7ebd010e90458e97e195c21c4b151a

                                          SHA1

                                          a6786ae1ed8ed2caa39cd8460ea7ec7d3b4813e4

                                          SHA256

                                          58edab3c4b6aa2310d30794c499b693532f81d8c0a8d3a73c5e91e4c4e84b272

                                          SHA512

                                          4eb2a934fe61cd8f370242986ea681e79a2fd7a774413d570aadb913145224221b08ad657c9835bf2735d645e439882d1b61006d4625ce6f1f0efb9def190f50

                                        • memory/2364-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2364-2-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2364-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2364-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3456-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3456-16-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3456-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3456-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/3456-37-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB