Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/01/2024, 11:01

General

  • Target

    4e201f6b0f8b7555e61744889f3eec3e.exe

  • Size

    3.9MB

  • MD5

    4e201f6b0f8b7555e61744889f3eec3e

  • SHA1

    7a42232c342b964ee2a6e345c35812ef1e59f77f

  • SHA256

    8449809bbdd672b568e965fecb997de0e6f49a7c383ceeb0c74f799883bd9ad3

  • SHA512

    d285a97c5aec5fac52c330f62d3a0826d62670cb40d8947cc4eaeaf7bd6d5fe2b5a873c808fe66e1915b399ca610cbfb65fdea62b5af0b5b6a838b0fc6644a2a

  • SSDEEP

    98304:6vi2IvK0SYzcakcibiqhMbMgOn7n0bcakcibiqhjrxK6tMI1m/cakcibiqhMbMgo:6a2IvK9YzdlirybMgOnkdlirht31m/dK

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
  • 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\4e201f6b0f8b7555e61744889f3eec3e.exe
    "C:\Users\Admin\AppData\Local\Temp\4e201f6b0f8b7555e61744889f3eec3e.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\AppData\Local\Temp\4e201f6b0f8b7555e61744889f3eec3e.exe
      C:\Users\Admin\AppData\Local\Temp\4e201f6b0f8b7555e61744889f3eec3e.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 660
        3⤵
        • Program crash
        PID:4604
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 736
        3⤵
        • Program crash
        PID:3504
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 768
        3⤵
        • Program crash
        PID:3860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 836
        3⤵
        • Program crash
        PID:920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1456
        3⤵
        • Program crash
        PID:4740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1620
        3⤵
        • Program crash
        PID:4752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 2144
        3⤵
        • Program crash
        PID:1348
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 2024
        3⤵
        • Program crash
        PID:2512
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1924
        3⤵
        • Program crash
        PID:4292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1988
        3⤵
        • Program crash
        PID:772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1620
        3⤵
        • Program crash
        PID:1468
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 2112
        3⤵
        • Program crash
        PID:5020
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 1984
        3⤵
        • Program crash
        PID:4788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 2104
        3⤵
        • Program crash
        PID:1692
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 2148
        3⤵
        • Program crash
        PID:2708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 648
        3⤵
        • Program crash
        PID:1972
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1112 -ip 1112
    1⤵
      PID:2884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 620
      1⤵
      • Program crash
      PID:4836
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN Jdf19jEI5ce2
      1⤵
        PID:4448
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN Jdf19jEI5ce2 > C:\Users\Admin\AppData\Local\Temp\QEpKzymzK.xml
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4008
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\4e201f6b0f8b7555e61744889f3eec3e.exe" /TN Jdf19jEI5ce2 /F
        1⤵
        • Creates scheduled task(s)
        PID:3280
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1112 -ip 1112
        1⤵
          PID:668
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 652
          1⤵
          • Program crash
          PID:3632
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1112 -ip 1112
          1⤵
            PID:2840
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1112 -ip 1112
            1⤵
              PID:2080
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1112 -ip 1112
              1⤵
                PID:2892
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1112 -ip 1112
                1⤵
                  PID:3092
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1112 -ip 1112
                  1⤵
                    PID:1596
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1112 -ip 1112
                    1⤵
                      PID:2956
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1112 -ip 1112
                      1⤵
                        PID:4612
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1112 -ip 1112
                        1⤵
                          PID:652
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1112 -ip 1112
                          1⤵
                            PID:4896
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1112 -ip 1112
                            1⤵
                              PID:668
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1112 -ip 1112
                              1⤵
                                PID:1972
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1112 -ip 1112
                                1⤵
                                  PID:4624
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1112 -ip 1112
                                  1⤵
                                    PID:1380
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1112 -ip 1112
                                    1⤵
                                      PID:2836
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1112 -ip 1112
                                      1⤵
                                        PID:2996
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1112 -ip 1112
                                        1⤵
                                          PID:4368

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\4e201f6b0f8b7555e61744889f3eec3e.exe

                                          Filesize

                                          1.4MB

                                          MD5

                                          2b255b5fc7c0a8174990ad8b1f7d7938

                                          SHA1

                                          112c7e134d209c883715f5555672f41b97ad3931

                                          SHA256

                                          c9ca7a1d7018884b34b3c86c38716866b19373e40c9eb4b91ce2acbce3cf40ae

                                          SHA512

                                          b4721e6e5100296040f9828449d234cc09dd916dd962c8b8d914835618e0f504ead1f56b6e5caf705300074d1fd10eca45570140fe7999ec512d9177bdb9cf75

                                        • memory/1112-15-0x00000000016F0000-0x000000000176E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1112-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/1112-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1112-18-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1112-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2968-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2968-7-0x0000000001760000-0x00000000017DE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2968-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2968-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB