Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-03-2024 16:26

General

  • Target

    c10def95c5aff4fcd4a878b7f5fce465.exe

  • Size

    2.0MB

  • MD5

    c10def95c5aff4fcd4a878b7f5fce465

  • SHA1

    8910ff67aab5732c6c544120a13b5f8a219c9100

  • SHA256

    936dfa7e87e617e2e7380d0f3ae3d1b8016ede2b6ee18551115ca19432753ab2

  • SHA512

    ba173ca4f6458be8e905731adf8e589d34741a85bd5bc562052076bc1a39ed88c82135368030f0febdf893b8f7c729d4eeb78bc7ac020e737fb0abe93b8a31c2

  • SSDEEP

    49152:jW/pBtpsI4r6HCn0hcN+9zWFULG+OwjlaJDC1lbBebcN+9zWFULG+:jW/pBtpshr6in0iA9zyULG+TjlaJD0l+

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\c10def95c5aff4fcd4a878b7f5fce465.exe
    "C:\Users\Admin\AppData\Local\Temp\c10def95c5aff4fcd4a878b7f5fce465.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Users\Admin\AppData\Local\Temp\c10def95c5aff4fcd4a878b7f5fce465.exe
      C:\Users\Admin\AppData\Local\Temp\c10def95c5aff4fcd4a878b7f5fce465.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3780
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\c10def95c5aff4fcd4a878b7f5fce465.exe" /TN 0p9w3TuP7345 /F
        3⤵
        • Creates scheduled task(s)
        PID:2916
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 0p9w3TuP7345 > C:\Users\Admin\AppData\Local\Temp\L1PvEk.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4456
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 0p9w3TuP7345
          4⤵
            PID:1040
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 604
          3⤵
          • Program crash
          PID:4680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 648
          3⤵
          • Program crash
          PID:1432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 724
          3⤵
          • Program crash
          PID:4284
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 732
          3⤵
          • Program crash
          PID:5116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 732
          3⤵
          • Program crash
          PID:3680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 780
          3⤵
          • Program crash
          PID:3472
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 1424
          3⤵
          • Program crash
          PID:3172
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 1928
          3⤵
          • Program crash
          PID:1788
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 2144
          3⤵
          • Program crash
          PID:2904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 1940
          3⤵
          • Program crash
          PID:1912
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 2104
          3⤵
          • Program crash
          PID:3812
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 1928
          3⤵
          • Program crash
          PID:5108
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 2256
          3⤵
          • Program crash
          PID:3828
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 2144
          3⤵
          • Program crash
          PID:3208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 2296
          3⤵
          • Program crash
          PID:4240
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 2260
          3⤵
          • Program crash
          PID:1596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 2244
          3⤵
          • Program crash
          PID:1832
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 620
          3⤵
          • Program crash
          PID:3556
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3780 -ip 3780
      1⤵
        PID:3696
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3780 -ip 3780
        1⤵
          PID:1532
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3780 -ip 3780
          1⤵
            PID:4204
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3780 -ip 3780
            1⤵
              PID:940
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3780 -ip 3780
              1⤵
                PID:5084
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3780 -ip 3780
                1⤵
                  PID:1992
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3780 -ip 3780
                  1⤵
                    PID:3952
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3780 -ip 3780
                    1⤵
                      PID:1556
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3780 -ip 3780
                      1⤵
                        PID:2368
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3780 -ip 3780
                        1⤵
                          PID:1536
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3780 -ip 3780
                          1⤵
                            PID:4228
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3780 -ip 3780
                            1⤵
                              PID:1460
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3780 -ip 3780
                              1⤵
                                PID:2548
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3780 -ip 3780
                                1⤵
                                  PID:4308
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3780 -ip 3780
                                  1⤵
                                    PID:4020
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3780 -ip 3780
                                    1⤵
                                      PID:2248
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3780 -ip 3780
                                      1⤵
                                        PID:5008
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3780 -ip 3780
                                        1⤵
                                          PID:1052

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\L1PvEk.xml

                                          Filesize

                                          1KB

                                          MD5

                                          bd37d086c5d39fedf61c554423dcb0e2

                                          SHA1

                                          c05a045c81bf8be746066e8d5be81ac092cc133f

                                          SHA256

                                          d52e6f95597472a57040becc548d36ac703fb6c867cc9037fa7a67ec6b4cd1a5

                                          SHA512

                                          23f3a699413ee9ec852aaac712797d90cc3b52bc21ce16a66ea58828c782aecf94094fbb2b48dd8558256f45c3fd0c60eebb440426dc31894828d3dab45bf516

                                        • C:\Users\Admin\AppData\Local\Temp\c10def95c5aff4fcd4a878b7f5fce465.exe

                                          Filesize

                                          2.0MB

                                          MD5

                                          4c3d0abade10057c1ebe08bfa351f972

                                          SHA1

                                          53286156b159ae2e1d7dc4d68612fb55fe8dffb3

                                          SHA256

                                          c348a90488608c8acf6696894b446058f0023ac57f9dded635a6bf7576ef5b5f

                                          SHA512

                                          0676f4b36e4a12f764b44c0f2d55c57440b885da34291d371ddf86e0d3b07f9f5a6ed1e28747409038480d6fe73ab1fd9b636bb568513317210ed50480a5213d

                                        • memory/3780-15-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3780-18-0x0000000024FF0000-0x000000002506E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3780-23-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3780-24-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/3780-42-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4948-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4948-2-0x0000000025010000-0x000000002508E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4948-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4948-14-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB