Analysis

  • max time kernel
    139s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 06:44

General

  • Target

    8ba9e68971a5ff76ab119be33f934330.exe

  • Size

    1.6MB

  • MD5

    8ba9e68971a5ff76ab119be33f934330

  • SHA1

    150867b26b381be2cb8fe17446ead614443cded2

  • SHA256

    bb6808b4e9e9ee9456301e79c92556d970063148f87aa1b56c5bc6e0255553f0

  • SHA512

    f8d7bcd2c07691e4050c2289542e2d8c9a4eeaa264ed816c9c3c05c22a4fcb53288610a072363697219c3a3ccab1abea2a3d2f763c4b4a602f70ab3758e7950d

  • SSDEEP

    49152:fRq8jp618M67cakLz0bKnZlXbXTNIcakLz0O:0U618M67cakcbulXbBIcakcO

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 1 IoCs
  • Program crash 17 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\8ba9e68971a5ff76ab119be33f934330.exe
    "C:\Users\Admin\AppData\Local\Temp\8ba9e68971a5ff76ab119be33f934330.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4528
    • C:\Users\Admin\AppData\Local\Temp\8ba9e68971a5ff76ab119be33f934330.exe
      C:\Users\Admin\AppData\Local\Temp\8ba9e68971a5ff76ab119be33f934330.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:636
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\8ba9e68971a5ff76ab119be33f934330.exe" /TN aMYATtOZda0c /F
        3⤵
        • Creates scheduled task(s)
        PID:1348
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN aMYATtOZda0c > C:\Users\Admin\AppData\Local\Temp\KcXtTkm.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2660
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN aMYATtOZda0c
          4⤵
            PID:2068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 604
          3⤵
          • Program crash
          PID:2336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 600
          3⤵
          • Program crash
          PID:3228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 636
          3⤵
          • Program crash
          PID:1592
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 704
          3⤵
          • Program crash
          PID:4412
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 788
          3⤵
          • Program crash
          PID:4344
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 600
          3⤵
          • Program crash
          PID:5104
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 1456
          3⤵
          • Program crash
          PID:4660
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 1912
          3⤵
          • Program crash
          PID:4556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 2144
          3⤵
          • Program crash
          PID:2368
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 2152
          3⤵
          • Program crash
          PID:3836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 1920
          3⤵
          • Program crash
          PID:2772
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 1952
          3⤵
          • Program crash
          PID:3376
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 2152
          3⤵
          • Program crash
          PID:4028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 2200
          3⤵
          • Program crash
          PID:1648
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 1912
          3⤵
          • Program crash
          PID:1600
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 1928
          3⤵
          • Program crash
          PID:2112
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 640
          3⤵
          • Program crash
          PID:5036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 636 -ip 636
      1⤵
        PID:772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 636 -ip 636
        1⤵
          PID:3960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 636 -ip 636
          1⤵
            PID:1972
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 636 -ip 636
            1⤵
              PID:4964
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 636 -ip 636
              1⤵
                PID:3280
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 636 -ip 636
                1⤵
                  PID:2984
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 636 -ip 636
                  1⤵
                    PID:3736
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 636 -ip 636
                    1⤵
                      PID:952
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 636 -ip 636
                      1⤵
                        PID:5032
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 636 -ip 636
                        1⤵
                          PID:2204
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 636 -ip 636
                          1⤵
                            PID:2184
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 636 -ip 636
                            1⤵
                              PID:2188
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 636 -ip 636
                              1⤵
                                PID:208
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 636 -ip 636
                                1⤵
                                  PID:5020
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 636 -ip 636
                                  1⤵
                                    PID:3764
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 636 -ip 636
                                    1⤵
                                      PID:2660
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 636 -ip 636
                                      1⤵
                                        PID:1836

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\8ba9e68971a5ff76ab119be33f934330.exe

                                        Filesize

                                        1.6MB

                                        MD5

                                        335e9cb8d5a01259105916b743f8bf9a

                                        SHA1

                                        d90cc2a82a779ad903ec7c1ea7152414e64bc4b9

                                        SHA256

                                        0d02338b102822a7d43b91dafaa96e93cfaabcd96c0b5e66d2a91afa0d83bd01

                                        SHA512

                                        5e749a3920a0998b03c2c24bea55567d88fc5a159a9d47134c5946cc8195d3f62b0e95e26e44ce5afd4a9df668510f14f6b32ee044786ee8e2a1fcbbafa3169f

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

                                        Filesize

                                        1KB

                                        MD5

                                        2f2f6031eb80cc33c0b096cdfabc2abc

                                        SHA1

                                        ba87c965244648982b74625904838ed2971a5f56

                                        SHA256

                                        fc2b0625734bf3ff812c23b2bc5535b4766781f4a0f6621733d3b30fb382c457

                                        SHA512

                                        4e23c8e76368172da98e0cd097f5749393dae29f54e2d3a96ac1f9cefc49ae21c59ef467b7879241a537fcf1832c4f9592a8216feb7aad52439a7d7c21c83625

                                      • memory/636-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/636-16-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                        Filesize

                                        504KB

                                      • memory/636-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/636-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                        Filesize

                                        364KB

                                      • memory/636-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/4528-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                        Filesize

                                        2.4MB

                                      • memory/4528-2-0x0000000001730000-0x00000000017AE000-memory.dmp

                                        Filesize

                                        504KB

                                      • memory/4528-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                        Filesize

                                        428KB

                                      • memory/4528-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                        Filesize

                                        428KB