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Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 12:14

General

  • Target

    48f356276bf6f1ac5b12c86cf1226e54.exe

  • Size

    765KB

  • MD5

    48f356276bf6f1ac5b12c86cf1226e54

  • SHA1

    30e64717a276bcb70f9c0109193ae52359cbf14d

  • SHA256

    5379b6a271018d79cce080175c504efaf8c5d9009f9f41db0d68ff4009a27c82

  • SHA512

    79087e265864773698d06d8b011fff9d48a18fb97db2850aa20e7e199bd4ca776d1e10abc613da770a2908830dc39fc09561e4f8fce3dc32723c54484252189a

  • SSDEEP

    12288:17EFoVqOFLI72340MZy5WSvogaCRsoOdyFUm4flO9dJ5IECpxOokLZsY:5T0g402nSvQoycjukL2Y

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 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\48f356276bf6f1ac5b12c86cf1226e54.exe
    "C:\Users\Admin\AppData\Local\Temp\48f356276bf6f1ac5b12c86cf1226e54.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Users\Admin\AppData\Local\Temp\48f356276bf6f1ac5b12c86cf1226e54.exe
      C:\Users\Admin\AppData\Local\Temp\48f356276bf6f1ac5b12c86cf1226e54.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:5052
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 604
        3⤵
        • Program crash
        PID:2796
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN nMQUF5AE494a > C:\Users\Admin\AppData\Local\Temp\BFpVe.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3284
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 656
        3⤵
        • Program crash
        PID:3972
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\48f356276bf6f1ac5b12c86cf1226e54.exe" /TN nMQUF5AE494a /F
        3⤵
        • Creates scheduled task(s)
        PID:3860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 664
        3⤵
        • Program crash
        PID:3624
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 712
        3⤵
        • Program crash
        PID:4536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 712
        3⤵
        • Program crash
        PID:4888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 724
        3⤵
        • Program crash
        PID:3980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 1456
        3⤵
        • Program crash
        PID:3920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 1916
        3⤵
        • Program crash
        PID:5108
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 2144
        3⤵
        • Program crash
        PID:5116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 2096
        3⤵
        • Program crash
        PID:4328
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 1876
        3⤵
        • Program crash
        PID:1232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 2100
        3⤵
        • Program crash
        PID:2392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 1916
        3⤵
        • Program crash
        PID:456
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 1992
        3⤵
        • Program crash
        PID:2848
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 1964
        3⤵
        • Program crash
        PID:4436
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 1924
        3⤵
        • Program crash
        PID:4796
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 1988
        3⤵
        • Program crash
        PID:5108
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 632
        3⤵
        • Program crash
        PID:3568
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5052 -ip 5052
    1⤵
      PID:3808
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN nMQUF5AE494a
      1⤵
        PID:3000
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 5052 -ip 5052
        1⤵
          PID:2196
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5052 -ip 5052
          1⤵
            PID:2252
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 5052 -ip 5052
            1⤵
              PID:3632
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 5052 -ip 5052
              1⤵
                PID:628
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 5052 -ip 5052
                1⤵
                  PID:2744
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 5052 -ip 5052
                  1⤵
                    PID:4980
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 5052 -ip 5052
                    1⤵
                      PID:3184
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 5052 -ip 5052
                      1⤵
                        PID:1852
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5052 -ip 5052
                        1⤵
                          PID:724
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 5052 -ip 5052
                          1⤵
                            PID:2652
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5052 -ip 5052
                            1⤵
                              PID:4512
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 5052 -ip 5052
                              1⤵
                                PID:3860
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5052 -ip 5052
                                1⤵
                                  PID:3000
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5052 -ip 5052
                                  1⤵
                                    PID:4560
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 5052 -ip 5052
                                    1⤵
                                      PID:3568
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5052 -ip 5052
                                      1⤵
                                        PID:4364
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5052 -ip 5052
                                        1⤵
                                          PID:2348

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • memory/4228-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4228-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4228-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4228-6-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/5052-15-0x0000000001730000-0x00000000017AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/5052-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/5052-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/5052-18-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/5052-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB