Analysis

  • max time kernel
    140s
  • max time network
    150s
  • 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, 13:02

General

  • Target

    95d8e2b0bec82144edd8386bd65492ab.exe

  • Size

    6.0MB

  • MD5

    95d8e2b0bec82144edd8386bd65492ab

  • SHA1

    50fa5cb02ad0e9f124939a08cdac5d2d64530105

  • SHA256

    2394af23c681e5a346394f7edfe3da6716960fec3376d31cffc8063b428f0755

  • SHA512

    fd11928e55cb6a90ce685598916c975a4b8ad4096436f1c6549519f2fc28a021c1500ee6dde469f6f11fbd464dd7413f0e7c5370877f1f2acb696395d61a6f04

  • SSDEEP

    98304:yADAJFMp3ccakOWZDtQXWry7mBZbkcaksDjGDHRQlywbcakOWZDtQXWry7mBZbk/:yAMJFMtcdiaWry7mbYdfPlbdiaWry7mC

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 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\95d8e2b0bec82144edd8386bd65492ab.exe
    "C:\Users\Admin\AppData\Local\Temp\95d8e2b0bec82144edd8386bd65492ab.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\AppData\Local\Temp\95d8e2b0bec82144edd8386bd65492ab.exe
      C:\Users\Admin\AppData\Local\Temp\95d8e2b0bec82144edd8386bd65492ab.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2764
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\95d8e2b0bec82144edd8386bd65492ab.exe" /TN qPTTkyZ9c33c /F
        3⤵
        • Creates scheduled task(s)
        PID:4928
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 616
        3⤵
        • Program crash
        PID:4608
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN qPTTkyZ9c33c > C:\Users\Admin\AppData\Local\Temp\uwiWHt0y3.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 632
        3⤵
        • Program crash
        PID:2032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 640
        3⤵
        • Program crash
        PID:4884
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 708
        3⤵
        • Program crash
        PID:2360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 632
        3⤵
        • Program crash
        PID:2052
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 752
        3⤵
        • Program crash
        PID:3832
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 1456
        3⤵
        • Program crash
        PID:2848
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 1916
        3⤵
        • Program crash
        PID:4036
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 2144
        3⤵
        • Program crash
        PID:2880
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 2096
        3⤵
        • Program crash
        PID:1644
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 1948
        3⤵
        • Program crash
        PID:4312
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 2168
        3⤵
        • Program crash
        PID:4916
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 1920
        3⤵
        • Program crash
        PID:1488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 1940
        3⤵
        • Program crash
        PID:2900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 1964
        3⤵
        • Program crash
        PID:4264
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 2168
        3⤵
        • Program crash
        PID:5092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 1984
        3⤵
        • Program crash
        PID:4912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 616
        3⤵
        • Program crash
        PID:3316
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN qPTTkyZ9c33c
    1⤵
      PID:2132
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2764 -ip 2764
      1⤵
        PID:4872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2764 -ip 2764
        1⤵
          PID:732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2764 -ip 2764
          1⤵
            PID:1980
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2764 -ip 2764
            1⤵
              PID:1244
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2764 -ip 2764
              1⤵
                PID:4456
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2764 -ip 2764
                1⤵
                  PID:3840
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2764 -ip 2764
                  1⤵
                    PID:3776
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2764 -ip 2764
                    1⤵
                      PID:4188
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2764 -ip 2764
                      1⤵
                        PID:3516
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2764 -ip 2764
                        1⤵
                          PID:216
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2764 -ip 2764
                          1⤵
                            PID:1576
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2764 -ip 2764
                            1⤵
                              PID:2884
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2764 -ip 2764
                              1⤵
                                PID:2224
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2764 -ip 2764
                                1⤵
                                  PID:2040
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2764 -ip 2764
                                  1⤵
                                    PID:4676
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2764 -ip 2764
                                    1⤵
                                      PID:3020
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2764 -ip 2764
                                      1⤵
                                        PID:2076
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2764 -ip 2764
                                        1⤵
                                          PID:4480

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\95d8e2b0bec82144edd8386bd65492ab.exe

                                          Filesize

                                          284KB

                                          MD5

                                          6b33ce3f6643c200f4553cbb11c928de

                                          SHA1

                                          7f9248313b39a9cfcd9513d09693dea4d4b0aaad

                                          SHA256

                                          78fb0e315c761b29a09ff4cbf53759de56355298ad06e4d1294080189860fb35

                                          SHA512

                                          12ee469ea2e14d89959315c6cee60c3cdb27ace7afa855cdec4bce08be2a858458b64f9c98c3b58f41c48c57cd66ddf4ea0102e3545440b3701f22a59b16727b

                                        • C:\Users\Admin\AppData\Local\Temp\uwiWHt0y3.xml

                                          Filesize

                                          1KB

                                          MD5

                                          54dfc5b0646a31adf8a41b941527f8ba

                                          SHA1

                                          4673f77ca173d3b3f6a37332f8ff061af61d3e5c

                                          SHA256

                                          f3adc1087450c3b6308fa7993b2ad742c824a6488f1a08010499ac2de8e79973

                                          SHA512

                                          0be89b7373e5c22e893e9a10508a9053ca82796dabe3cc244b9cad0dc6720989f338ae35cc1e57085b36dafb2d3ef3854b6e115f794d760878326f20b955149b

                                        • memory/2764-15-0x0000000023FB0000-0x000000002402E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2764-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/2764-22-0x00000000004B0000-0x000000000051B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2764-18-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2764-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4856-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4856-5-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4856-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4856-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB