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Analysis

  • max time kernel
    143s
  • 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
    01/01/2024, 05:59

General

  • Target

    3c11400e63617706dbc7d6fd59fd086c.exe

  • Size

    1003KB

  • MD5

    3c11400e63617706dbc7d6fd59fd086c

  • SHA1

    1cf1d5c7ba5d442f04bb4a71bd5fe7ce0fabb89b

  • SHA256

    67bf3bb9659b8216e0043b84681ff45362f328e56b86125ba8c51faea4f214c8

  • SHA512

    08f7390ee2c064bdfb32afd091b54ae98aae13a7c828373a404bb284f906d9918acddb539d5bb3abf3bd6c3bed96fac0251810c6776bc1c4ce4744d5da0d6855

  • SSDEEP

    24576:pVqXnK/vaeC1LGQoadai7D3uITjIFOxo53ApIj:pV6K/SeC1LGQ7ai7D3xTgOxYwpK

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\3c11400e63617706dbc7d6fd59fd086c.exe
    "C:\Users\Admin\AppData\Local\Temp\3c11400e63617706dbc7d6fd59fd086c.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\3c11400e63617706dbc7d6fd59fd086c.exe
      C:\Users\Admin\AppData\Local\Temp\3c11400e63617706dbc7d6fd59fd086c.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 660
        3⤵
        • Program crash
        PID:5016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 668
        3⤵
        • Program crash
        PID:4768
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 736
        3⤵
        • Program crash
        PID:5012
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 752
        3⤵
        • Program crash
        PID:4472
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 760
        3⤵
        • Program crash
        PID:2432
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 1464
        3⤵
        • Program crash
        PID:4324
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 1924
        3⤵
        • Program crash
        PID:4352
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 2144
        3⤵
        • Program crash
        PID:2728
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 1960
        3⤵
        • Program crash
        PID:4684
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 1880
        3⤵
        • Program crash
        • Suspicious use of WriteProcessMemory
        PID:1364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 1980
        3⤵
        • Program crash
        PID:4364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 1928
        3⤵
        • Program crash
        PID:1468
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 1952
        3⤵
        • Program crash
        PID:4444
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 2116
        3⤵
        • Program crash
        PID:3872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 1880
        3⤵
        • Program crash
        PID:4764
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 1984
        3⤵
        • Program crash
        PID:820
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 656
        3⤵
        • Program crash
        PID:1584
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\3c11400e63617706dbc7d6fd59fd086c.exe" /TN 0Su7L8S745c1 /F
    1⤵
    • Creates scheduled task(s)
    PID:1952
  • C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN 0Su7L8S745c1 > C:\Users\Admin\AppData\Local\Temp\6wkhXfEo.xml
    1⤵
      PID:1364
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /Query /XML /TN 0Su7L8S745c1
        2⤵
          PID:2008
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 384 -ip 384
        1⤵
          PID:3924
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 604
          1⤵
          • Program crash
          PID:2428
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 384 -ip 384
          1⤵
            PID:4564
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 384 -ip 384
            1⤵
              PID:2332
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 384 -ip 384
              1⤵
                PID:400
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 384 -ip 384
                1⤵
                  PID:3028
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 384 -ip 384
                  1⤵
                    PID:2208
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 384 -ip 384
                    1⤵
                      PID:3624
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 384 -ip 384
                      1⤵
                        PID:1884
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 384 -ip 384
                        1⤵
                          PID:1272
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 384 -ip 384
                          1⤵
                            PID:4724
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 384 -ip 384
                            1⤵
                              PID:2008
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 384 -ip 384
                              1⤵
                                PID:3592
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 384 -ip 384
                                1⤵
                                  PID:4540
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 384 -ip 384
                                  1⤵
                                    PID:3616
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 384 -ip 384
                                    1⤵
                                      PID:1100
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 384 -ip 384
                                      1⤵
                                        PID:5016
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 384 -ip 384
                                        1⤵
                                          PID:1496
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 384 -ip 384
                                          1⤵
                                            PID:4168

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • memory/384-15-0x0000000024040000-0x00000000240BE000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/384-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                            Filesize

                                            364KB

                                          • memory/384-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/384-18-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/384-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/2724-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/2724-3-0x0000000001730000-0x00000000017AE000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/2724-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/2724-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB