Analysis

  • max time kernel
    104s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2024 19:08

General

  • Target

    efb0c5aa5b5273176f7f41054f622380N.exe

  • Size

    508KB

  • MD5

    efb0c5aa5b5273176f7f41054f622380

  • SHA1

    04618613ca757544da4ca71e073d43867689304b

  • SHA256

    ae0fb0cb24696eb2b1f11ee00f7cad4b8bda35f8e6172511785aef132f6322d6

  • SHA512

    d790a7f8b6405f58d6620018b5c5704ad6c30aa0cc9c522c627033f1741d3bbaef57d688aea2688f9b914bb952a0f65e2509aecffda428a9a439409b5422fe65

  • SSDEEP

    12288:ChL7TwSoeD2Rt3knwbsKt4tj+xtrYxCQH:Cd7T6eTItrYFH

Score
7/10

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 1 IoCs
  • Program crash 19 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efb0c5aa5b5273176f7f41054f622380N.exe
    "C:\Users\Admin\AppData\Local\Temp\efb0c5aa5b5273176f7f41054f622380N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Users\Admin\AppData\Local\Temp\efb0c5aa5b5273176f7f41054f622380N.exe
      C:\Users\Admin\AppData\Local\Temp\efb0c5aa5b5273176f7f41054f622380N.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4012
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\efb0c5aa5b5273176f7f41054f622380N.exe" /TN RYTvY5fia886 /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4916
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN RYTvY5fia886 > C:\Users\Admin\AppData\Local\Temp\DxHz6.xml
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3748
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN RYTvY5fia886
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1916
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 564
        3⤵
        • Program crash
        PID:3240
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 648
        3⤵
        • Program crash
        PID:2120
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 724
        3⤵
        • Program crash
        PID:2828
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 744
        3⤵
        • Program crash
        PID:3472
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 712
        3⤵
        • Program crash
        PID:3712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 796
        3⤵
        • Program crash
        PID:3408
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1500
        3⤵
        • Program crash
        PID:1740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1396
        3⤵
        • Program crash
        PID:4912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1744
        3⤵
        • Program crash
        PID:2380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1376
        3⤵
        • Program crash
        PID:1924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1752
        3⤵
        • Program crash
        PID:2312
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1712
        3⤵
        • Program crash
        PID:4876
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1572
        3⤵
        • Program crash
        PID:1464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1264
        3⤵
        • Program crash
        PID:1364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1744
        3⤵
        • Program crash
        PID:4956
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1756
        3⤵
        • Program crash
        PID:4060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1792
        3⤵
        • Program crash
        PID:3620
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1264
        3⤵
        • Program crash
        PID:1764
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1708
        3⤵
        • Program crash
        PID:5076
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4012 -ip 4012
    1⤵
      PID:412
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4012 -ip 4012
      1⤵
        PID:3868
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4012 -ip 4012
        1⤵
          PID:1556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4012 -ip 4012
          1⤵
            PID:3008
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4012 -ip 4012
            1⤵
              PID:4664
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4012 -ip 4012
              1⤵
                PID:3564
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4012 -ip 4012
                1⤵
                  PID:1496
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 4012 -ip 4012
                  1⤵
                    PID:1832
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 612 -p 4012 -ip 4012
                    1⤵
                      PID:5016
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 4012 -ip 4012
                      1⤵
                        PID:4460
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 4012 -ip 4012
                        1⤵
                          PID:872
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 4012 -ip 4012
                          1⤵
                            PID:3800
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 664 -p 4012 -ip 4012
                            1⤵
                              PID:832
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 656 -p 4012 -ip 4012
                              1⤵
                                PID:2468
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 4012 -ip 4012
                                1⤵
                                  PID:4884
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 4012 -ip 4012
                                  1⤵
                                    PID:1916
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 4012 -ip 4012
                                    1⤵
                                      PID:4128
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 4012 -ip 4012
                                      1⤵
                                        PID:1952
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 4012 -ip 4012
                                        1⤵
                                          PID:4688

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\DxHz6.xml

                                          Filesize

                                          1KB

                                          MD5

                                          21b8ec53d36cbe7e3766a150a31d67db

                                          SHA1

                                          97add91928d574b7e00a26e6f6b29ae2153b2f0b

                                          SHA256

                                          6c68c72aeaceefb119e15acd1f7113dd5f09c50290c913e96048eba34ef8caa7

                                          SHA512

                                          056928b71bab0c1eb845d2c3236124ec133b9025547a019734e145c0f4998b1dc0d07a4e2f9f45da5101829ad0721f047d8a27eb4c34dcc79260b8797a1dc2d6

                                        • C:\Users\Admin\AppData\Local\Temp\efb0c5aa5b5273176f7f41054f622380N.exe

                                          Filesize

                                          508KB

                                          MD5

                                          40a2b5f70f52c787299ba5f7fb092c79

                                          SHA1

                                          f0231892edf97410e4b15b0107d83a4bf256349a

                                          SHA256

                                          447046276f0597c76477ecfc30c941619ba7c8db23910393da1a97de5f304207

                                          SHA512

                                          f62e8e9ebb312135513810878f4e20e7279c9de5e9fd902841f7aa8b7450ce89744792a6585dc5012c18db25aaca187de65abfbff7b86b05bd7051b249faf31f

                                        • memory/4012-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4012-21-0x0000000024FD0000-0x000000002504E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4012-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4012-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/4012-45-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4064-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4064-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4064-7-0x0000000024FF0000-0x000000002506E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4064-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB