Analysis

  • max time kernel
    147s
  • 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, 16:21

General

  • Target

    b7d729744bbe091757a60ad0c95db84d.exe

  • Size

    1.6MB

  • MD5

    b7d729744bbe091757a60ad0c95db84d

  • SHA1

    8a0676c9de4827cffb95e87fb1cbf053a674a443

  • SHA256

    8cd37375b4b50fe915b8d6215f721d81666d1aeff7607f4b9138e60ae680e0ad

  • SHA512

    fb090795c0868cace3609bbf323682f330019c5bc2c37946174afaa8e4e4ffd52f03568ec688241d828e79a04f723348365789ea37df8e99b88732130499e1bd

  • SSDEEP

    49152:PaNJRSjbv7KOcakLz0kSa+W1JREPizkWCo45BUcakLz0O:PazRSjbzcakcNkJRyACo45BUcakcO

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 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\b7d729744bbe091757a60ad0c95db84d.exe
    "C:\Users\Admin\AppData\Local\Temp\b7d729744bbe091757a60ad0c95db84d.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Users\Admin\AppData\Local\Temp\b7d729744bbe091757a60ad0c95db84d.exe
      C:\Users\Admin\AppData\Local\Temp\b7d729744bbe091757a60ad0c95db84d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4376
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\b7d729744bbe091757a60ad0c95db84d.exe" /TN obYzNKzF95b4 /F
        3⤵
        • Creates scheduled task(s)
        PID:4780
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN obYzNKzF95b4 > C:\Users\Admin\AppData\Local\Temp\IcGoxvbv5.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4756
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN obYzNKzF95b4
          4⤵
            PID:3996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 604
          3⤵
          • Program crash
          PID:5032
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 632
          3⤵
          • Program crash
          PID:3156
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 724
          3⤵
          • Program crash
          PID:1660
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 728
          3⤵
          • Program crash
          PID:1680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 644
          3⤵
          • Program crash
          PID:4044
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 712
          3⤵
          • Program crash
          PID:4884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1464
          3⤵
          • Program crash
          PID:3956
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1916
          3⤵
          • Program crash
          PID:2004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 2144
          3⤵
          • Program crash
          PID:1148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1872
          3⤵
          • Program crash
          PID:4328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1968
          3⤵
          • Program crash
          PID:2148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1868
          3⤵
          • Program crash
          PID:5000
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 2128
          3⤵
          • Program crash
          PID:2988
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1952
          3⤵
          • Program crash
          PID:4512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1928
          3⤵
          • Program crash
          PID:936
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 1968
          3⤵
          • Program crash
          PID:4468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 2124
          3⤵
          • Program crash
          PID:3176
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 720
          3⤵
          • Program crash
          PID:4508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4376 -ip 4376
      1⤵
        PID:1992
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4376 -ip 4376
        1⤵
          PID:3688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4376 -ip 4376
          1⤵
            PID:2196
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4376 -ip 4376
            1⤵
              PID:3196
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4376 -ip 4376
              1⤵
                PID:1552
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4376 -ip 4376
                1⤵
                  PID:1368
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4376 -ip 4376
                  1⤵
                    PID:1668
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4376 -ip 4376
                    1⤵
                      PID:5052
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4376 -ip 4376
                      1⤵
                        PID:1224
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4376 -ip 4376
                        1⤵
                          PID:4852
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4376 -ip 4376
                          1⤵
                            PID:1788
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4376 -ip 4376
                            1⤵
                              PID:2860
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4376 -ip 4376
                              1⤵
                                PID:4780
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4376 -ip 4376
                                1⤵
                                  PID:4828
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4376 -ip 4376
                                  1⤵
                                    PID:1060
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4376 -ip 4376
                                    1⤵
                                      PID:3016
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4376 -ip 4376
                                      1⤵
                                        PID:3632
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4376 -ip 4376
                                        1⤵
                                          PID:1688

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\IcGoxvbv5.xml

                                                Filesize

                                                1KB

                                                MD5

                                                79f992dcf7f3da13ff5754f01a11cf82

                                                SHA1

                                                34c5b8bacd66ae40e69f123ead6dc9dbd17e55d0

                                                SHA256

                                                1fd6352606cdc472ad8c363439536fcb447082bc10f84a03e6a00197386b16c5

                                                SHA512

                                                78b3ac6254420e40e0ce6f2db5dc0507af9a4bfa09adf23021abf03256d53ae778b99bfa7119c147e833d0e70603fbec8d43626859ee7ec9c3202552daec14ea

                                              • C:\Users\Admin\AppData\Local\Temp\b7d729744bbe091757a60ad0c95db84d.exe

                                                Filesize

                                                1.6MB

                                                MD5

                                                6f4573485bbceae6522679737042fcf0

                                                SHA1

                                                ea0629264f7f8153bc11454284c7544e48a73910

                                                SHA256

                                                b3decbe864cdd1e37160df2240487bf0eb01307ce43fa0b8ca4cc007a65fe2cd

                                                SHA512

                                                8be98ac3e085d4eb6d66eab62ff1a839f1eb5ec2acb6b50e459317956c0e9b70c641500c312ca4118129b27789a1efa00179a49f55594128744d77dc29b001bb

                                              • memory/2844-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/2844-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/2844-3-0x0000000026060000-0x00000000260DE000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/2844-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/4376-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/4376-16-0x0000000025000000-0x000000002507E000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/4376-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/4376-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                                Filesize

                                                364KB

                                              • memory/4376-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB