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Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2023, 14:58

General

  • Target

    d0d4a391b678c0629a2f8d6deb1bbbdf.exe

  • Size

    2.9MB

  • MD5

    d0d4a391b678c0629a2f8d6deb1bbbdf

  • SHA1

    82b7e8fcf6f0496d6261cfeedef933308b286a71

  • SHA256

    ab80b7b02bbf467e2edf66ee4b3bdcb9265b488759b1ee522ac346c492575455

  • SHA512

    9297d3bfcfb3ad6fa57e18a0e113ff009ce55e865d9d647556a89da7ca92f9169c16d5d800579e8cca99fe45fe6b70028cfb7269da44fd1504dbfca6e4d00b49

  • SSDEEP

    49152:ks3dkDplk9LTwQLyhWveB+4goGQ7ai7D3xTgOxYwpKJkIx2AGGLnnz6lyjnFfZTp:F3dkDplk9LTwr4ve44goD2i7D3xkOxYv

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\d0d4a391b678c0629a2f8d6deb1bbbdf.exe
    "C:\Users\Admin\AppData\Local\Temp\d0d4a391b678c0629a2f8d6deb1bbbdf.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4496
    • C:\Users\Admin\AppData\Local\Temp\d0d4a391b678c0629a2f8d6deb1bbbdf.exe
      C:\Users\Admin\AppData\Local\Temp\d0d4a391b678c0629a2f8d6deb1bbbdf.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3732
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 656
        3⤵
        • Program crash
        PID:944
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 708
        3⤵
        • Program crash
        PID:4148
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 720
        3⤵
        • Program crash
        PID:3532
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 740
        3⤵
        • Program crash
        PID:4564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 740
        3⤵
        • Program crash
        PID:1192
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1460
        3⤵
        • Program crash
        PID:3360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1912
        3⤵
        • Program crash
        PID:824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 2144
        3⤵
        • Program crash
        PID:4480
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 2096
        3⤵
        • Program crash
        PID:1928
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 2112
        3⤵
        • Program crash
        PID:5048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1904
        3⤵
        • Program crash
        PID:3972
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 2108
        3⤵
        • Program crash
        PID:4004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 2228
        3⤵
        • Program crash
        PID:1604
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 2220
        3⤵
        • Program crash
        PID:2336
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 2192
        3⤵
        • Program crash
        PID:944
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 2236
        3⤵
        • Program crash
        PID:2604
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 704
        3⤵
        • Program crash
        PID:4504
  • C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN nMQUF5AE494a > C:\Users\Admin\AppData\Local\Temp\37nXr8.xml
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN nMQUF5AE494a
      2⤵
        PID:4868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3732 -ip 3732
      1⤵
        PID:3320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 616
        1⤵
        • Program crash
        PID:2920
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\d0d4a391b678c0629a2f8d6deb1bbbdf.exe" /TN nMQUF5AE494a /F
        1⤵
        • Creates scheduled task(s)
        PID:4708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3732 -ip 3732
        1⤵
          PID:3756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3732 -ip 3732
          1⤵
            PID:3228
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3732 -ip 3732
            1⤵
              PID:3892
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3732 -ip 3732
              1⤵
                PID:1428
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3732 -ip 3732
                1⤵
                  PID:4508
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3732 -ip 3732
                  1⤵
                    PID:3628
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3732 -ip 3732
                    1⤵
                      PID:2420
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3732 -ip 3732
                      1⤵
                        PID:4620
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3732 -ip 3732
                        1⤵
                          PID:868
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3732 -ip 3732
                          1⤵
                            PID:216
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3732 -ip 3732
                            1⤵
                              PID:740
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3732 -ip 3732
                              1⤵
                                PID:428
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3732 -ip 3732
                                1⤵
                                  PID:1276
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3732 -ip 3732
                                  1⤵
                                    PID:1068
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3732 -ip 3732
                                    1⤵
                                      PID:376
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3732 -ip 3732
                                      1⤵
                                        PID:3828
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3732 -ip 3732
                                        1⤵
                                          PID:1680

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\37nXr8.xml

                                          Filesize

                                          1KB

                                          MD5

                                          cd4b34f45c886e771f66e7c20ce23904

                                          SHA1

                                          4b9942fb9e9424f88e20210bec8e51d59362a862

                                          SHA256

                                          06f7795c84e326e0ca82cebd6b2c68b24ff35c3b027e2d4eeb592b2ae57a0df8

                                          SHA512

                                          5621bf4aa456062b3e3da66d00c591329ced394bd1ec1f2b93e5ec71741392fc28bbdcb63ecf8b039747c6e7e11534dcf7db40fb47543923e7f0e69cbedf86f8

                                        • C:\Users\Admin\AppData\Local\Temp\d0d4a391b678c0629a2f8d6deb1bbbdf.exe

                                          Filesize

                                          71KB

                                          MD5

                                          ca25246673ac78403d122dbeda773616

                                          SHA1

                                          e5cc5449cf85fa9291c90458dc2191b6c38b2487

                                          SHA256

                                          615dcc15b44cf3284a9060cb895105002d540d406dcaf5fe78d764a09abbee7e

                                          SHA512

                                          ef2e6a34bf27267c9a6807e9e2d51775952974f73e8c7d7400bfbdc1f472a44ce674a396a27daca579d9415259c058a69d3a404ad802c57e5311786215654dc8

                                        • memory/3732-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3732-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/3732-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3732-17-0x0000000023FF0000-0x000000002406E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3732-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4496-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4496-5-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4496-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4496-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB