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Analysis

  • max time kernel
    147s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/01/2024, 23:53

General

  • Target

    63f11d7bef9ed55da42911d406f91412.exe

  • Size

    3.9MB

  • MD5

    63f11d7bef9ed55da42911d406f91412

  • SHA1

    3e6a3d7fb598a18f2db9c965040a8b34e588fe3a

  • SHA256

    20d0a838a1bb70e9cb849f304b2831e1eba3e065ebe32677268fa821630cf7d2

  • SHA512

    385530dfe5c051783dcdbe26e3590f68385f5c2a680ed48ec016803be319f0db6504e61633799ed35cc6b30527c6722f445032396118b89434417f4c3154ae96

  • SSDEEP

    98304:rmWXJgrGm7+pUJcakcibiqhMbMgOn7n0bcakcibiqhxe64MhRirLccakcibiqhM:iCJgymkUJdlirybMgOnkdlir2LMbicdK

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\63f11d7bef9ed55da42911d406f91412.exe
    "C:\Users\Admin\AppData\Local\Temp\63f11d7bef9ed55da42911d406f91412.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Users\Admin\AppData\Local\Temp\63f11d7bef9ed55da42911d406f91412.exe
      C:\Users\Admin\AppData\Local\Temp\63f11d7bef9ed55da42911d406f91412.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1600
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\63f11d7bef9ed55da42911d406f91412.exe" /TN Jdf19jEI5ce2 /F
        3⤵
        • Creates scheduled task(s)
        PID:4784
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 616
        3⤵
        • Program crash
        PID:1392
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN Jdf19jEI5ce2 > C:\Users\Admin\AppData\Local\Temp\iwdjWFi.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2204
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 644
        3⤵
        • Program crash
        PID:3624
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 724
        3⤵
        • Program crash
        PID:3044
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 728
        3⤵
        • Program crash
        PID:3356
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 740
        3⤵
        • Program crash
        PID:2472
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 800
        3⤵
        • Program crash
        PID:1052
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 1460
        3⤵
        • Program crash
        PID:3184
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 1908
        3⤵
        • Program crash
        PID:2528
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 2144
        3⤵
        • Program crash
        PID:4332
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 1924
        3⤵
        • Program crash
        PID:2380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 1912
        3⤵
        • Program crash
        PID:2612
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 2104
        3⤵
        • Program crash
        PID:1636
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 1960
        3⤵
        • Program crash
        PID:2688
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 1992
        3⤵
        • Program crash
        PID:4992
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 1932
        3⤵
        • Program crash
        PID:3424
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 2096
        3⤵
        • Program crash
        PID:3244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 2164
        3⤵
        • Program crash
        PID:4940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 720
        3⤵
        • Program crash
        PID:4580
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1600 -ip 1600
    1⤵
      PID:1816
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN Jdf19jEI5ce2
      1⤵
        PID:3660
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1600 -ip 1600
        1⤵
          PID:2916
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1600 -ip 1600
          1⤵
            PID:1544
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1600 -ip 1600
            1⤵
              PID:3244
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1600 -ip 1600
              1⤵
                PID:1972
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1600 -ip 1600
                1⤵
                  PID:1276
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1600 -ip 1600
                  1⤵
                    PID:1488
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1600 -ip 1600
                    1⤵
                      PID:2892
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1600 -ip 1600
                      1⤵
                        PID:516
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1600 -ip 1600
                        1⤵
                          PID:1412
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1600 -ip 1600
                          1⤵
                            PID:2932
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1600 -ip 1600
                            1⤵
                              PID:2928
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1600 -ip 1600
                              1⤵
                                PID:3736
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1600 -ip 1600
                                1⤵
                                  PID:1588
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1600 -ip 1600
                                  1⤵
                                    PID:1880
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1600 -ip 1600
                                    1⤵
                                      PID:1504
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1600 -ip 1600
                                      1⤵
                                        PID:4468
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1600 -ip 1600
                                        1⤵
                                          PID:2224

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • memory/1192-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1192-4-0x0000000024FF0000-0x000000002506E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1192-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1192-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1600-17-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1600-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/1600-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1600-15-0x00000000016E0000-0x000000000175E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1600-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB