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Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 01:05

General

  • Target

    228bc8ce576fa66644f2234d99f452ae.exe

  • Size

    2.0MB

  • MD5

    228bc8ce576fa66644f2234d99f452ae

  • SHA1

    f1dea84b89710487ff33bdacb4ce399f7fc3984b

  • SHA256

    4c7ac17a3071340120492ad1dc939e76a74024b66b9eb5e6d240882ec0d5f794

  • SHA512

    b1f441b26febd9d9b32fdd8a7d2580a79dcbda647365fb90a2914ef24cbe3da8a5c6b0a881a4ce99cc167bea9ab3311b79833fca7f55c4f097f749b278008e4b

  • SSDEEP

    49152:vhLgYDov4FqOgKE45NHxrHoGQ7ai7D3xTgOxYwpKA17HUTGQ7ai7D3xTgOxYwpK:vhLgY6qqOgKT/RHoD2i7D3xkOxYwpKA/

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
  • 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\228bc8ce576fa66644f2234d99f452ae.exe
    "C:\Users\Admin\AppData\Local\Temp\228bc8ce576fa66644f2234d99f452ae.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Users\Admin\AppData\Local\Temp\228bc8ce576fa66644f2234d99f452ae.exe
      C:\Users\Admin\AppData\Local\Temp\228bc8ce576fa66644f2234d99f452ae.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 608
        3⤵
        • Program crash
        PID:3240
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 1WOV8tOcae1c > C:\Users\Admin\AppData\Local\Temp\dPazfY.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2776
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 620
        3⤵
        • Program crash
        PID:2248
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\228bc8ce576fa66644f2234d99f452ae.exe" /TN 1WOV8tOcae1c /F
        3⤵
        • Creates scheduled task(s)
        PID:2132
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 636
        3⤵
        • Program crash
        PID:5088
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 732
        3⤵
        • Program crash
        PID:1632
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 740
        3⤵
        • Program crash
        PID:1328
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 748
        3⤵
        • Program crash
        PID:932
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 1456
        3⤵
        • Program crash
        PID:3344
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 1456
        3⤵
        • Program crash
        PID:1576
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 2144
        3⤵
        • Program crash
        PID:4584
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 2132
        3⤵
        • Program crash
        PID:4460
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 1924
        3⤵
        • Program crash
        PID:764
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 1968
        3⤵
        • Program crash
        PID:3512
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 1456
        3⤵
        • Program crash
        PID:3596
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 1984
        3⤵
        • Program crash
        PID:808
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 1928
        3⤵
        • Program crash
        PID:1192
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 1988
        3⤵
        • Program crash
        PID:1908
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 1932
        3⤵
        • Program crash
        PID:892
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 608
        3⤵
        • Program crash
        PID:2040
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN 1WOV8tOcae1c
    1⤵
      PID:1884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4104 -ip 4104
      1⤵
        PID:3128
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4104 -ip 4104
        1⤵
          PID:3060
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4104 -ip 4104
          1⤵
            PID:2116
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4104 -ip 4104
            1⤵
              PID:3652
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4104 -ip 4104
              1⤵
                PID:3676
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4104 -ip 4104
                1⤵
                  PID:1028
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4104 -ip 4104
                  1⤵
                    PID:4996
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4104 -ip 4104
                    1⤵
                      PID:3468
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4104 -ip 4104
                      1⤵
                        PID:4172
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4104 -ip 4104
                        1⤵
                          PID:4436
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4104 -ip 4104
                          1⤵
                            PID:1044
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4104 -ip 4104
                            1⤵
                              PID:1764
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4104 -ip 4104
                              1⤵
                                PID:3128
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4104 -ip 4104
                                1⤵
                                  PID:4000
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4104 -ip 4104
                                  1⤵
                                    PID:1584
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4104 -ip 4104
                                    1⤵
                                      PID:1372
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4104 -ip 4104
                                      1⤵
                                        PID:1580
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4104 -ip 4104
                                        1⤵
                                          PID:968

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • memory/1040-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1040-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1040-14-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1040-4-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4104-16-0x0000000023FA0000-0x000000002401E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4104-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/4104-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4104-13-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4104-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB