Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-03-2024 07:51

General

  • Target

    b6e6542495dedf19c062383f59f82dd2.exe

  • Size

    1003KB

  • MD5

    b6e6542495dedf19c062383f59f82dd2

  • SHA1

    df4846bcf1a5909a09a1576e70033bd4985733ef

  • SHA256

    590f71a7af313685c7ed5ebae38ad9bf0d12e1f9fcb8741bdfdfe977e4f1feff

  • SHA512

    108e44ba6e9de7befd8a9a206c91669e9527eb619d8303a0984dbbbfa52cc023219b14ba874a4703e8d8fb33d478e8e6bf7c94b84bc900e24568e02aa6dd82e6

  • SSDEEP

    24576:N0dF2ZM+nu0KiV+b9+9KT22cjukL2CDYibq6/yqLNaF:N0dFOXnu03V+b9+9Ka2cakLz0ibq6yqh

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 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 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\b6e6542495dedf19c062383f59f82dd2.exe
    "C:\Users\Admin\AppData\Local\Temp\b6e6542495dedf19c062383f59f82dd2.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4892
    • C:\Users\Admin\AppData\Local\Temp\b6e6542495dedf19c062383f59f82dd2.exe
      C:\Users\Admin\AppData\Local\Temp\b6e6542495dedf19c062383f59f82dd2.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3828
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\b6e6542495dedf19c062383f59f82dd2.exe" /TN EvIYV7rY9c10 /F
        3⤵
        • Creates scheduled task(s)
        PID:3308
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN EvIYV7rY9c10 > C:\Users\Admin\AppData\Local\Temp\hsTCZXo.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4600
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN EvIYV7rY9c10
          4⤵
            PID:3456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 568
          3⤵
          • Program crash
          PID:1404
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 632
          3⤵
          • Program crash
          PID:4184
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 640
          3⤵
          • Program crash
          PID:1596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 716
          3⤵
          • Program crash
          PID:2424
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 636
          3⤵
          • Program crash
          PID:2384
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 780
          3⤵
          • Program crash
          PID:2560
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 1464
          3⤵
          • Program crash
          PID:3480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 1908
          3⤵
          • Program crash
          PID:1100
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 2140
          3⤵
          • Program crash
          PID:3996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 2092
          3⤵
          • Program crash
          PID:1780
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 1944
          3⤵
          • Program crash
          PID:1700
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 2096
          3⤵
          • Program crash
          PID:4104
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 1984
          3⤵
          • Program crash
          PID:1496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 1976
          3⤵
          • Program crash
          PID:4248
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 1952
          3⤵
          • Program crash
          PID:3960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 1944
          3⤵
          • Program crash
          PID:1204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 2164
          3⤵
          • Program crash
          PID:1248
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 628
          3⤵
          • Program crash
          PID:4688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3828 -ip 3828
      1⤵
        PID:4216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3828 -ip 3828
        1⤵
          PID:1244
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3828 -ip 3828
          1⤵
            PID:3488
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3828 -ip 3828
            1⤵
              PID:1204
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3828 -ip 3828
              1⤵
                PID:728
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3828 -ip 3828
                1⤵
                  PID:4688
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3828 -ip 3828
                  1⤵
                    PID:4320
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3828 -ip 3828
                    1⤵
                      PID:1292
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3828 -ip 3828
                      1⤵
                        PID:3680
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3828 -ip 3828
                        1⤵
                          PID:4384
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3828 -ip 3828
                          1⤵
                            PID:4128
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3828 -ip 3828
                            1⤵
                              PID:3904
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3828 -ip 3828
                              1⤵
                                PID:4564
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3828 -ip 3828
                                1⤵
                                  PID:1448
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3828 -ip 3828
                                  1⤵
                                    PID:984
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3828 -ip 3828
                                    1⤵
                                      PID:4588
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3828 -ip 3828
                                      1⤵
                                        PID:2684
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3828 -ip 3828
                                        1⤵
                                          PID:3208

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\b6e6542495dedf19c062383f59f82dd2.exe

                                          Filesize

                                          1003KB

                                          MD5

                                          5a2c225a67be2d335711081b53b2e675

                                          SHA1

                                          d958ee5a9d1904bb470c0d3a4a89b92353522354

                                          SHA256

                                          e342d2d702a88164be2e2ad1181c8dd34450a7151eb1297dff7a144f816da090

                                          SHA512

                                          86535245609fe6a1bb84b2417480734e8b5b61371d2737e39db292213ba1f6bbabc7d18646d922df2934f596fdb837a76acda958485c2e3b0c061f666d45527d

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

                                          Filesize

                                          1KB

                                          MD5

                                          44c5b6fac4fe4d43285cb65bdde19c86

                                          SHA1

                                          e3f08def3d7467daeebb48f793ac4c75a2f1cdfa

                                          SHA256

                                          e9b05760ef57b0bbbf96e2bcc178b920273438dc27150ce6089aa1c42fadb47f

                                          SHA512

                                          f7fd432fd3b144060d6978cc6039f0895f51e21ab574d86eea9778604e35f53778474eb2d906351b8a867e5e877c6c4e7ce2441770a34744c7447c082ca75b92

                                        • memory/3828-15-0x0000000024000000-0x000000002407E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3828-18-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3828-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3828-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/3828-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4892-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4892-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4892-3-0x0000000024FF0000-0x000000002506E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4892-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB