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Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2023, 16:39

General

  • Target

    f647a51d6ed29ced363e98e1b8db0451.exe

  • Size

    1.6MB

  • MD5

    f647a51d6ed29ced363e98e1b8db0451

  • SHA1

    60569c42eb9d7628591689003417c0996f86a9cb

  • SHA256

    062e9d05e9d854c6b57cb0a988653562844e807f19485193dcedc5eec4750e77

  • SHA512

    158de32dfdae85c00b961033f41af5e37aad3bc1ef2340fd39d37f14adf434bf679d6cb81187650e7ed407e088a339fbc2bf7e85031f6aacb152cbdca2237472

  • SSDEEP

    49152:kaPBGEHIlQZjULgcakLz0mDU8UBtQccakLz0O:kapGEHIlQZ+gcakcmDutQccakcO

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\f647a51d6ed29ced363e98e1b8db0451.exe
    "C:\Users\Admin\AppData\Local\Temp\f647a51d6ed29ced363e98e1b8db0451.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\Temp\f647a51d6ed29ced363e98e1b8db0451.exe
      C:\Users\Admin\AppData\Local\Temp\f647a51d6ed29ced363e98e1b8db0451.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\f647a51d6ed29ced363e98e1b8db0451.exe" /TN BLiB1zkTf55f /F
        3⤵
        • Creates scheduled task(s)
        PID:3036
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN BLiB1zkTf55f > C:\Users\Admin\AppData\Local\Temp\CGmKnI.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2808
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN BLiB1zkTf55f
          4⤵
            PID:2348
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 612
          3⤵
          • Program crash
          PID:2116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 648
          3⤵
          • Program crash
          PID:2140
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 656
          3⤵
          • Program crash
          PID:5024
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 736
          3⤵
          • Program crash
          PID:1992
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 736
          3⤵
          • Program crash
          PID:4208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 812
          3⤵
          • Program crash
          PID:2880
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 1616
          3⤵
          • Program crash
          PID:3416
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 1920
          3⤵
          • Program crash
          PID:3672
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 2144
          3⤵
          • Program crash
          PID:4136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 1912
          3⤵
          • Program crash
          PID:228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 1924
          3⤵
          • Program crash
          PID:4468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 2156
          3⤵
          • Program crash
          PID:4480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 2140
          3⤵
          • Program crash
          PID:5016
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 1928
          3⤵
          • Program crash
          PID:2684
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 1924
          3⤵
          • Program crash
          PID:4924
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 2144
          3⤵
          • Program crash
          PID:2944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 1996
          3⤵
          • Program crash
          PID:3168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 620
          3⤵
          • Program crash
          PID:4408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1244 -ip 1244
      1⤵
        PID:4728
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1244 -ip 1244
        1⤵
          PID:4888
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1244 -ip 1244
          1⤵
            PID:364
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1244 -ip 1244
            1⤵
              PID:1012
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1244 -ip 1244
              1⤵
                PID:4308
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1244 -ip 1244
                1⤵
                  PID:3264
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1244 -ip 1244
                  1⤵
                    PID:1796
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1244 -ip 1244
                    1⤵
                      PID:1768
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1244 -ip 1244
                      1⤵
                        PID:1208
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1244 -ip 1244
                        1⤵
                          PID:3484
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1244 -ip 1244
                          1⤵
                            PID:2872
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1244 -ip 1244
                            1⤵
                              PID:2456
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1244 -ip 1244
                              1⤵
                                PID:3132
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1244 -ip 1244
                                1⤵
                                  PID:4124
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1244 -ip 1244
                                  1⤵
                                    PID:5068
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1244 -ip 1244
                                    1⤵
                                      PID:3216
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 1244 -ip 1244
                                      1⤵
                                        PID:4400
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 1244 -ip 1244
                                        1⤵
                                          PID:3780

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

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

                                          Filesize

                                          1KB

                                          MD5

                                          4349d8041f1ce715d9f5515b96dbb5e5

                                          SHA1

                                          9dfd0d9a51a50f7d1b8170ac54e3c3619a1c4f53

                                          SHA256

                                          92da8473d172e7b679659707a612ed04c47740d7389ac2c3084b2d38ef9c46e9

                                          SHA512

                                          f726fbc1b3cdb3a2cf70c5302c8f444f4b57831bfed0451f36f04f5b18c7ef4b489638edcee276072cab1b3ebd16c302604fc657a6aefc10419c4b71a9753548

                                        • C:\Users\Admin\AppData\Local\Temp\f647a51d6ed29ced363e98e1b8db0451.exe

                                          Filesize

                                          1.6MB

                                          MD5

                                          3bf14d1d280c9ed0220a55fc4ba0979d

                                          SHA1

                                          af76e9dfbeff3c234419bcfcf4ae2ca7a2d678be

                                          SHA256

                                          2b11e6fbb2ac7ea85e8b3e84c2a348656fad7f8a51b048fb2aa890ad16961c77

                                          SHA512

                                          cb66417c57365c5eee74d277bff28872bd0fbff0bbe3aedfa36bd1f11a84d74037f5faaea3af258201d8424ec20bdc159e57dcb8dec800e5d139f5a683a57b25

                                        • memory/1244-16-0x00000000016E0000-0x000000000175E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1244-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1244-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1244-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/1244-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1776-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1776-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1776-3-0x0000000024FF0000-0x000000002506E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1776-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB