Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/03/2024, 11:49

General

  • Target

    cdfd476b743643ae8d4160a021cb75ce.exe

  • Size

    1003KB

  • MD5

    cdfd476b743643ae8d4160a021cb75ce

  • SHA1

    91d8f158f1cab1d3ba35341b5535496ed86d96de

  • SHA256

    a07e03f065e0614096b1eefcaca6848a5fdf43eec99369b11a12aae1a3ae48f0

  • SHA512

    93e17425750da537dab1bb2046a505c7688815c1d92fe4601feda3795b1eb68cd75c60ee4e6ee4b47346a5237fbaf4db30a6dac0ef0bfc577ea53e09e1329093

  • SSDEEP

    24576:9YZMutmjQkqO9wLaUnG5yaYfWGv1wDU2UTQVAU:aZHYQkafnG5yag+DXUTQVAU

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\cdfd476b743643ae8d4160a021cb75ce.exe
    "C:\Users\Admin\AppData\Local\Temp\cdfd476b743643ae8d4160a021cb75ce.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:32
    • C:\Users\Admin\AppData\Local\Temp\cdfd476b743643ae8d4160a021cb75ce.exe
      C:\Users\Admin\AppData\Local\Temp\cdfd476b743643ae8d4160a021cb75ce.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\cdfd476b743643ae8d4160a021cb75ce.exe" /TN yexRWRcj83eb /F
        3⤵
        • Creates scheduled task(s)
        PID:4592
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN yexRWRcj83eb > C:\Users\Admin\AppData\Local\Temp\4Dt58Zu.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:644
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN yexRWRcj83eb
          4⤵
            PID:4604
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 596
          3⤵
          • Program crash
          PID:3068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 636
          3⤵
          • Program crash
          PID:4364
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 740
          3⤵
          • Program crash
          PID:1904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 748
          3⤵
          • Program crash
          PID:2036
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 744
          3⤵
          • Program crash
          PID:1660
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 800
          3⤵
          • Program crash
          PID:2592
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 1464
          3⤵
          • Program crash
          PID:1976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 1936
          3⤵
          • Program crash
          PID:228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 2144
          3⤵
          • Program crash
          PID:1056
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 2184
          3⤵
          • Program crash
          PID:2568
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 1976
          3⤵
          • Program crash
          PID:4080
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 2164
          3⤵
          • Program crash
          PID:4528
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 1896
          3⤵
          • Program crash
          PID:3204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 2168
          3⤵
          • Program crash
          PID:4488
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 2024
          3⤵
          • Program crash
          PID:4864
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 2008
          3⤵
          • Program crash
          PID:4936
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 2004
          3⤵
          • Program crash
          PID:5040
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 596
          3⤵
          • Program crash
          PID:2712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2128 -ip 2128
      1⤵
        PID:1180
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2128 -ip 2128
        1⤵
          PID:5088
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2128 -ip 2128
          1⤵
            PID:4412
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2128 -ip 2128
            1⤵
              PID:2160
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2128 -ip 2128
              1⤵
                PID:3612
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2128 -ip 2128
                1⤵
                  PID:4432
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2128 -ip 2128
                  1⤵
                    PID:4464
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2128 -ip 2128
                    1⤵
                      PID:2252
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 2128 -ip 2128
                      1⤵
                        PID:4992
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 2128 -ip 2128
                        1⤵
                          PID:3884
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2128 -ip 2128
                          1⤵
                            PID:4604
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 2128 -ip 2128
                            1⤵
                              PID:3532
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2128 -ip 2128
                              1⤵
                                PID:1944
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2128 -ip 2128
                                1⤵
                                  PID:5088
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2128 -ip 2128
                                  1⤵
                                    PID:4412
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2128 -ip 2128
                                    1⤵
                                      PID:3628
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 628 -p 2128 -ip 2128
                                      1⤵
                                        PID:4224
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 628 -p 2128 -ip 2128
                                        1⤵
                                          PID:5084

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\4Dt58Zu.xml

                                                Filesize

                                                1KB

                                                MD5

                                                6f460d0e390731ecaf73ff8fe63472f7

                                                SHA1

                                                eae546278fe173bdb145e3b8c4773b8c87f212f6

                                                SHA256

                                                dc4600f39d5f4ed1a5d9fc663ec3b67cfd618a4931c24b1e325a40b86f7946eb

                                                SHA512

                                                004a96703de36bc07a43a3dd828a09a35cd375e0880265d0191cd2e6210dfe7c9a90f6496ec1300baf5a0b4b9842f807cce2c7034118b4f30e5846e3446f5647

                                              • C:\Users\Admin\AppData\Local\Temp\cdfd476b743643ae8d4160a021cb75ce.exe

                                                Filesize

                                                1003KB

                                                MD5

                                                127126391480709470ba85893e4e34d8

                                                SHA1

                                                fcc64432f470959143dd8af5348522a9526dc23b

                                                SHA256

                                                2accbe815b8a57599db5cc5bc2f00b2d5b7c2127b3ece52563f3544cf49b103d

                                                SHA512

                                                aae4e7ceb3fd09d5e8eaa923134fa3c1d1721d84f6a080a1fe8460d7fce8359114b1b4d4fc3376dda5effc602c19d1829578f6fe971a8c3e07753ab5a8533324

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

                                                Filesize

                                                2.4MB

                                              • memory/32-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/32-3-0x00000000018D0000-0x000000000194E000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/32-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/2128-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB

                                              • memory/2128-16-0x0000000025040000-0x00000000250BE000-memory.dmp

                                                Filesize

                                                504KB

                                              • memory/2128-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                                Filesize

                                                428KB

                                              • memory/2128-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                                Filesize

                                                364KB

                                              • memory/2128-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                                Filesize

                                                2.4MB