Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-02-2024 23:48

General

  • Target

    95b05d07387d37665d747ebc037441fc.exe

  • Size

    1.6MB

  • MD5

    95b05d07387d37665d747ebc037441fc

  • SHA1

    ddfcc624ab19687b7f973df79446e65e1757af49

  • SHA256

    99c04d2dc579bd0dc8580eb8689ed63bf56ddd11d57369f1d5c4cb84e7f0738a

  • SHA512

    a5c011737019282c99bd0d1a31f7423437cf89f8ad27f8fbff9c01b79f7f757dfa4a8933a0dd7f3c591720749747ff161f91539cabc4d208d79ecee71a4ed0df

  • SSDEEP

    49152:fYUSQrXtWqcakLz0JCg+MoECUiWcakLz0O:fhSQjtWqcakcJCg+MoFUiWcakcO

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\95b05d07387d37665d747ebc037441fc.exe
    "C:\Users\Admin\AppData\Local\Temp\95b05d07387d37665d747ebc037441fc.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4644
    • C:\Users\Admin\AppData\Local\Temp\95b05d07387d37665d747ebc037441fc.exe
      C:\Users\Admin\AppData\Local\Temp\95b05d07387d37665d747ebc037441fc.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2920
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\95b05d07387d37665d747ebc037441fc.exe" /TN Jdf19jEI5ce2 /F
        3⤵
        • Creates scheduled task(s)
        PID:1796
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN Jdf19jEI5ce2 > C:\Users\Admin\AppData\Local\Temp\WKpBCuk4U.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2732
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN Jdf19jEI5ce2
          4⤵
            PID:4360
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 604
          3⤵
          • Program crash
          PID:2500
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 648
          3⤵
          • Program crash
          PID:3468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 656
          3⤵
          • Program crash
          PID:5792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 656
          3⤵
          • Program crash
          PID:5548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 776
          3⤵
          • Program crash
          PID:4940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 784
          3⤵
          • Program crash
          PID:3232
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 1464
          3⤵
          • Program crash
          PID:4768
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 1908
          3⤵
          • Program crash
          PID:984
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 2144
          3⤵
          • Program crash
          PID:1756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 1924
          3⤵
          • Program crash
          PID:2560
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 1912
          3⤵
          • Program crash
          PID:812
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 2124
          3⤵
          • Program crash
          PID:2276
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 1992
          3⤵
          • Program crash
          PID:4408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 2108
          3⤵
          • Program crash
          PID:2196
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 1904
          3⤵
          • Program crash
          PID:2880
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 1976
          3⤵
          • Program crash
          PID:1780
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 1928
          3⤵
          • Program crash
          PID:5204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 720
          3⤵
          • Program crash
          PID:4484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2920 -ip 2920
      1⤵
        PID:2956
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2920 -ip 2920
        1⤵
          PID:208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2920 -ip 2920
          1⤵
            PID:3632
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2920 -ip 2920
            1⤵
              PID:468
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2920 -ip 2920
              1⤵
                PID:5252
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2920 -ip 2920
                1⤵
                  PID:5104
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2920 -ip 2920
                  1⤵
                    PID:5448
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2920 -ip 2920
                    1⤵
                      PID:4276
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2920 -ip 2920
                      1⤵
                        PID:1108
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2920 -ip 2920
                        1⤵
                          PID:4856
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2920 -ip 2920
                          1⤵
                            PID:6020
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2920 -ip 2920
                            1⤵
                              PID:2120
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2920 -ip 2920
                              1⤵
                                PID:4740
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2920 -ip 2920
                                1⤵
                                  PID:1384
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2920 -ip 2920
                                  1⤵
                                    PID:4552
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2920 -ip 2920
                                    1⤵
                                      PID:1712
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2920 -ip 2920
                                      1⤵
                                        PID:5664
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 2920 -ip 2920
                                        1⤵
                                          PID:2016

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\95b05d07387d37665d747ebc037441fc.exe

                                          Filesize

                                          1.6MB

                                          MD5

                                          0726ab9d53cae13bf0f394db209e249f

                                          SHA1

                                          211836e57d6411e7d3c266620613d8c9391d0bda

                                          SHA256

                                          a2325f2d39db3cf72561807b2d7c9a832bc7164ceb07ae25f62d9744b730f756

                                          SHA512

                                          6c63d2eaedc5862e04dabb47194615a42e337fedf3cd27a3779ee2030a78bafb24046f0036d3d1a5097fd0f2a5248857f16bdd359fab8a7ba86b89730c46bdf1

                                        • C:\Users\Admin\AppData\Local\Temp\WKpBCuk4U.xml

                                          Filesize

                                          1KB

                                          MD5

                                          b41449363205f3abc4e6c33b9443d9d5

                                          SHA1

                                          9328349d0bba3b3bb657e013b5d853a0655528a4

                                          SHA256

                                          1a2188fb5778bd8b5b403ba0df62a5a9827bfd3bd06ed9ca344ac16a3e48ded0

                                          SHA512

                                          3a283f273046bcd3661b82fb49b09c6eae41c44c649036213a3a48fa17934826fe0ed2de32275c2b64b0e9bcf66cb2e85d3415c2496d96ca2174d57ce2aa85d9

                                        • memory/2920-17-0x0000000023FA0000-0x000000002401E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2920-15-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2920-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2920-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/2920-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4644-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4644-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4644-4-0x0000000001730000-0x00000000017AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4644-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB