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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 00:18

General

  • Target

    084c4b3d914e9d5df5b47afdd220624c.exe

  • Size

    821KB

  • MD5

    084c4b3d914e9d5df5b47afdd220624c

  • SHA1

    adda34254e3815b0aac5ac410a0e92bd3ed51435

  • SHA256

    c8218d8d70e2cba0f89fc78721f1b25c8345c5ea44ff8bdf147f58f7fbd1776d

  • SHA512

    3eb92e43e4b3a706bc19f971470f38e95ddd901183267c2935a503fc93078333c3fb8b5864330699c353d0bb7757a61448e409f4dc2fb4b922c4db9bf4d758fe

  • SSDEEP

    12288:E8VY5PNuyxeUANazRg0IZ+yRY8bjH3DH+DnHrVzAow76i0GVpZQNpmflO9dJ5IEf:bY517bz7s7pHOHi3ZA4cjukL2CDYO

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\084c4b3d914e9d5df5b47afdd220624c.exe
    "C:\Users\Admin\AppData\Local\Temp\084c4b3d914e9d5df5b47afdd220624c.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4796
    • C:\Users\Admin\AppData\Local\Temp\084c4b3d914e9d5df5b47afdd220624c.exe
      C:\Users\Admin\AppData\Local\Temp\084c4b3d914e9d5df5b47afdd220624c.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:456
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\084c4b3d914e9d5df5b47afdd220624c.exe" /TN mCaqQXkK46ae /F
        3⤵
        • Creates scheduled task(s)
        PID:4848
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 608
        3⤵
        • Program crash
        PID:3624
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN mCaqQXkK46ae > C:\Users\Admin\AppData\Local\Temp\scIzrf.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 632
        3⤵
        • Program crash
        PID:1280
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 640
        3⤵
        • Program crash
        PID:4396
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 636
        3⤵
        • Program crash
        PID:2656
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 736
        3⤵
        • Program crash
        PID:2536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 744
        3⤵
        • Program crash
        PID:2424
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1456
        3⤵
        • Program crash
        PID:2372
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1940
        3⤵
        • Program crash
        PID:2188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 2144
        3⤵
        • Program crash
        PID:556
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 2096
        3⤵
        • Program crash
        PID:5104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1464
        3⤵
        • Program crash
        PID:1208
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 2184
        3⤵
        • Program crash
        PID:5028
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1992
        3⤵
        • Program crash
        PID:5000
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1620
        3⤵
        • Program crash
        PID:3228
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1908
        3⤵
        • Program crash
        PID:5068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 2188
        3⤵
        • Program crash
        PID:5024
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 2216
        3⤵
        • Program crash
        PID:3448
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 628
        3⤵
        • Program crash
        PID:624
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 456 -ip 456
    1⤵
      PID:3368
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN mCaqQXkK46ae
      1⤵
        PID:1912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 456 -ip 456
        1⤵
          PID:996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 456 -ip 456
          1⤵
            PID:3924
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 456 -ip 456
            1⤵
              PID:3936
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 456 -ip 456
              1⤵
                PID:4184
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 456 -ip 456
                1⤵
                  PID:3452
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 456 -ip 456
                  1⤵
                    PID:4448
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 456 -ip 456
                    1⤵
                      PID:2580
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 456 -ip 456
                      1⤵
                        PID:4744
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 456 -ip 456
                        1⤵
                          PID:3160
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 456 -ip 456
                          1⤵
                            PID:2900
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 456 -ip 456
                            1⤵
                              PID:3688
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 456 -ip 456
                              1⤵
                                PID:4468
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 456 -ip 456
                                1⤵
                                  PID:996
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 456 -ip 456
                                  1⤵
                                    PID:512
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 628 -p 456 -ip 456
                                    1⤵
                                      PID:4896
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 456 -ip 456
                                      1⤵
                                        PID:736
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 456 -ip 456
                                        1⤵
                                          PID:4896

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\084c4b3d914e9d5df5b47afdd220624c.exe

                                          Filesize

                                          821KB

                                          MD5

                                          2444fb2b4ef252e4519810a65a57510a

                                          SHA1

                                          108275583a042e7a4b344a9bd9d0ce78b900b0de

                                          SHA256

                                          32415104636947094a65c9315ce8923c4eda1f9e2fd12e588695d44bae5a863d

                                          SHA512

                                          dee5fa1e7b5e16488d9705cdd852bb4f5a0f3cf2e61922fffb81332080d43f768210dca008849b1a2b079f19739d7923fa23bb710bf2707537850d3575dbd368

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

                                          Filesize

                                          1KB

                                          MD5

                                          c10f11b776529c5f335918b5dcf8cebe

                                          SHA1

                                          ec5bc64ef6e2dcc0e52f1210c4239176cfc28b33

                                          SHA256

                                          8705e64866aab3a669505d47846221bca07d57220370060f2e783e9739ee9466

                                          SHA512

                                          e4c3e3dd0e001de92a6b89ba9a71292ba6289394c66fa6bb53d8b2377f25ea726e055a92c8a9cff64e4e0c9936e67037547b9c2fa49acf2fb409b37aaef972b1

                                        • memory/456-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/456-17-0x0000000001730000-0x00000000017AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/456-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/456-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/456-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4796-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4796-7-0x0000000025000000-0x000000002507E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4796-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4796-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB