Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2024, 11:26

General

  • Target

    b747c68dc17464826eca0e611e4a6035.exe

  • Size

    3.9MB

  • MD5

    b747c68dc17464826eca0e611e4a6035

  • SHA1

    99d119ba90b88f1358949cfa769c45c00b331518

  • SHA256

    992b0447d0aedd597c17c06711ce9fde68c238cbef27dc79ed131094b25f8dfd

  • SHA512

    aa5cc9d80da4231adfc3c1ff758eb9a8eb39f5abda10e612be3944300d2f05c563979ce3ca315f461730279d58f97d6d48e3ed0653d29a7847b89bdf80dc0d5d

  • SSDEEP

    98304:5IfllM9Vjva4B4cakcibiqh26eQZbeMqZmacakcibiqhtJtZm5GtBLYcakcibiqf:GlM9VjhB4dlirYeeMkdlirfcGMdlirY+

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 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\b747c68dc17464826eca0e611e4a6035.exe
    "C:\Users\Admin\AppData\Local\Temp\b747c68dc17464826eca0e611e4a6035.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:404
    • C:\Users\Admin\AppData\Local\Temp\b747c68dc17464826eca0e611e4a6035.exe
      C:\Users\Admin\AppData\Local\Temp\b747c68dc17464826eca0e611e4a6035.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\b747c68dc17464826eca0e611e4a6035.exe" /TN v3dGbWFyc353 /F
        3⤵
        • Creates scheduled task(s)
        PID:2372
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v3dGbWFyc353 > C:\Users\Admin\AppData\Local\Temp\u5WsTRc7l.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3860
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v3dGbWFyc353
          4⤵
            PID:4920
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 604
          3⤵
          • Program crash
          PID:1788
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 632
          3⤵
          • Program crash
          PID:3496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 724
          3⤵
          • Program crash
          PID:3004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 732
          3⤵
          • Program crash
          PID:4328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 768
          3⤵
          • Program crash
          PID:676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 732
          3⤵
          • Program crash
          PID:1912
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1472
          3⤵
          • Program crash
          PID:2112
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1932
          3⤵
          • Program crash
          PID:3972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 2148
          3⤵
          • Program crash
          PID:4740
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1944
          3⤵
          • Program crash
          PID:4616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1936
          3⤵
          • Program crash
          PID:1656
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1928
          3⤵
          • Program crash
          PID:2916
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 2116
          3⤵
          • Program crash
          PID:2528
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1940
          3⤵
          • Program crash
          PID:4820
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1964
          3⤵
          • Program crash
          PID:3972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 1652
          3⤵
          • Program crash
          PID:4768
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 2196
          3⤵
          • Program crash
          PID:3324
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 736
          3⤵
          • Program crash
          PID:2132
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 2168 -ip 2168
      1⤵
        PID:2212
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2168 -ip 2168
        1⤵
          PID:3500
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 2168 -ip 2168
          1⤵
            PID:3288
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2168 -ip 2168
            1⤵
              PID:5076
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2168 -ip 2168
              1⤵
                PID:3640
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2168 -ip 2168
                1⤵
                  PID:1684
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2168 -ip 2168
                  1⤵
                    PID:3020
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2168 -ip 2168
                    1⤵
                      PID:1836
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2168 -ip 2168
                      1⤵
                        PID:4168
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2168 -ip 2168
                        1⤵
                          PID:3480
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2168 -ip 2168
                          1⤵
                            PID:4300
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2168 -ip 2168
                            1⤵
                              PID:3308
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2168 -ip 2168
                              1⤵
                                PID:1912
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2168 -ip 2168
                                1⤵
                                  PID:1836
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2168 -ip 2168
                                  1⤵
                                    PID:1324
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 2168 -ip 2168
                                    1⤵
                                      PID:3288
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1932 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
                                      1⤵
                                        PID:4804
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 2168 -ip 2168
                                        1⤵
                                          PID:2480
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 2168 -ip 2168
                                          1⤵
                                            PID:2312

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\b747c68dc17464826eca0e611e4a6035.exe

                                            Filesize

                                            1.4MB

                                            MD5

                                            bd6690b56e85004a2921192499a0149c

                                            SHA1

                                            31a8a952276c15717227f8bfb5a3d3aceae6618d

                                            SHA256

                                            27f70f640c5e69a77ec59f19ba1fd24915882ed01dc0b38725fd35c6bb4a9e61

                                            SHA512

                                            5da4a2548ea766be3847e78eb39c3634bd5fe9b7efb87caf1782d8f68df570d70c5234c5e5491647dfb5fdf6fc5cba9ecaa8b99cb2f841b10a36ba1e8dd67188

                                          • C:\Users\Admin\AppData\Local\Temp\u5WsTRc7l.xml

                                            Filesize

                                            1KB

                                            MD5

                                            3cba52c3fccec13496ffc8323d0024d8

                                            SHA1

                                            1705601fd9882fd5d8bff98ad09ec0d9a2d58917

                                            SHA256

                                            8b2d6ddeb713ed1866bdfd0122e3eb7cc73b425196583671ec3bb0233e0313c3

                                            SHA512

                                            2c448682b827a6b409ab99282f3592a95673dd6a6935363a03f72261340f63263efe0471bb5f2a807e2f503da2f5571fc11fe04634fba1d3e3b0513660d6f08b

                                          • memory/404-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/404-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/404-4-0x0000000001730000-0x00000000017AE000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/404-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/2168-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB

                                          • memory/2168-17-0x0000000001730000-0x00000000017AE000-memory.dmp

                                            Filesize

                                            504KB

                                          • memory/2168-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                            Filesize

                                            428KB

                                          • memory/2168-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                            Filesize

                                            364KB

                                          • memory/2168-32-0x0000000000400000-0x000000000065C000-memory.dmp

                                            Filesize

                                            2.4MB