Analysis

  • max time kernel
    145s
  • max time network
    155s
  • 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 05:05

General

  • Target

    6eef75a0146c4e52728e0b3cb805ad8a.exe

  • Size

    2.0MB

  • MD5

    6eef75a0146c4e52728e0b3cb805ad8a

  • SHA1

    14dca66f073497be3e8830d5daa574ba94a2bed6

  • SHA256

    ee2920012b7f05f8a1035071b919cff2c9f27d1f80bb23fb07b013c9639e673a

  • SHA512

    5923e5c7a9a476d854e0797297f5fde24824991e1c8cebb459bd920921c66179960c505514cac3e191f148cb4b4233cab22b4110e86ddf98783f029f71ec0494

  • SSDEEP

    49152:48/JqaSK9xcN+9zWFULG+WORuN0fVtIAW0gcN+9zWFULG+:hqavcA9zyULG+WORyyViAWCA9zyULG+

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\6eef75a0146c4e52728e0b3cb805ad8a.exe
    "C:\Users\Admin\AppData\Local\Temp\6eef75a0146c4e52728e0b3cb805ad8a.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3396
    • C:\Users\Admin\AppData\Local\Temp\6eef75a0146c4e52728e0b3cb805ad8a.exe
      C:\Users\Admin\AppData\Local\Temp\6eef75a0146c4e52728e0b3cb805ad8a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\6eef75a0146c4e52728e0b3cb805ad8a.exe" /TN xWvB9PLxff3d /F
        3⤵
        • Creates scheduled task(s)
        PID:4048
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN xWvB9PLxff3d > C:\Users\Admin\AppData\Local\Temp\VTWFueky.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4864
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN xWvB9PLxff3d
          4⤵
            PID:5076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 616
          3⤵
          • Program crash
          PID:2392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 632
          3⤵
          • Program crash
          PID:4152
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 716
          3⤵
          • Program crash
          PID:4280
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 720
          3⤵
          • Program crash
          PID:5092
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 752
          3⤵
          • Program crash
          PID:3348
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 736
          3⤵
          • Program crash
          PID:5080
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1456
          3⤵
          • Program crash
          PID:3796
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1912
          3⤵
          • Program crash
          PID:2136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 2144
          3⤵
          • Program crash
          PID:4428
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1904
          3⤵
          • Program crash
          PID:4336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1964
          3⤵
          • Program crash
          PID:1152
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 2140
          3⤵
          • Program crash
          PID:4676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1992
          3⤵
          • Program crash
          PID:2292
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 2148
          3⤵
          • Program crash
          PID:2612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 2112
          3⤵
          • Program crash
          PID:3548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1916
          3⤵
          • Program crash
          PID:3200
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1908
          3⤵
          • Program crash
          PID:4408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 664
          3⤵
          • Program crash
          PID:4836
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 1972 -ip 1972
      1⤵
        PID:800
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1972 -ip 1972
        1⤵
          PID:3312
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1972 -ip 1972
          1⤵
            PID:1388
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1972 -ip 1972
            1⤵
              PID:3784
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1972 -ip 1972
              1⤵
                PID:2864
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1972 -ip 1972
                1⤵
                  PID:1168
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1972 -ip 1972
                  1⤵
                    PID:2464
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1972 -ip 1972
                    1⤵
                      PID:2892
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1972 -ip 1972
                      1⤵
                        PID:216
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1972 -ip 1972
                        1⤵
                          PID:3404
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1972 -ip 1972
                          1⤵
                            PID:3116
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1972 -ip 1972
                            1⤵
                              PID:4916
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1972 -ip 1972
                              1⤵
                                PID:2352
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1972 -ip 1972
                                1⤵
                                  PID:5056
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1972 -ip 1972
                                  1⤵
                                    PID:5076
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1972 -ip 1972
                                    1⤵
                                      PID:2688
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1972 -ip 1972
                                      1⤵
                                        PID:1820
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1972 -ip 1972
                                        1⤵
                                          PID:1628

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\6eef75a0146c4e52728e0b3cb805ad8a.exe

                                          Filesize

                                          22KB

                                          MD5

                                          25323dcc65eafac1b7e75fe00639fa2f

                                          SHA1

                                          b22661a3ab8d03f52bb5e53686953a60ffd4b6c6

                                          SHA256

                                          d01013311940a61b933c1c6e3e8ed3a2026f78ab08502d87ba2c2c9384094ee3

                                          SHA512

                                          3c656d56d812a4631d7e9c98ea0ea2d86fdfe7fa65b6af5d61164d4171e5ef71b959fc23b83bb03a093d24bbc9dd0417b9037553f2805f3b56526c8f4fb6d5ec

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

                                          Filesize

                                          1KB

                                          MD5

                                          b2610ace02766b923d750cac3bfa9b4c

                                          SHA1

                                          76ae6c7cf1db2820d8a0211d11b2364dae946c0f

                                          SHA256

                                          1cc33c3d21495c9973d95eb7cec99c39627c3a37b11ffbccf7d87ff69e4414d0

                                          SHA512

                                          f5856d16dd09aa31275f46be6ec5d200bb704e0fd28cb3067e5370b60ee8bfc687069ae20e912a306b379d11a06b89ccadfda94e1e857604f95fda22b9e21a37

                                        • memory/1972-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/1972-19-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/1972-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/1972-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/1972-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3396-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3396-6-0x0000000025030000-0x00000000250AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3396-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3396-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB