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Analysis

  • max time kernel
    183s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 21:16

General

  • Target

    0439163d95fcc9dd62b91dff9dfdd2a7.exe

  • Size

    2.0MB

  • MD5

    0439163d95fcc9dd62b91dff9dfdd2a7

  • SHA1

    f063eb563e42a842034a1cc0b3e18d947e005d80

  • SHA256

    298160898f7dab88f6c6d7ca5478b8ab81b614d4ee025877a0c6017e30823893

  • SHA512

    de98f6d287d747c1a717d11c1a752c98f9690c9574a096268f19cf14f6ea900adbc2fe78b15c8799f7511e8cd5621e9fd4a1d98cb5b64e918be39a8fae6e0e00

  • SSDEEP

    49152:JBjdqMokrcakLz0ibq6yqhMt7RJwnOcakLz0ibq6yqh:rdqMogcakcibiqhMVqOcakcibiqh

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\0439163d95fcc9dd62b91dff9dfdd2a7.exe
    "C:\Users\Admin\AppData\Local\Temp\0439163d95fcc9dd62b91dff9dfdd2a7.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\Users\Admin\AppData\Local\Temp\0439163d95fcc9dd62b91dff9dfdd2a7.exe
      C:\Users\Admin\AppData\Local\Temp\0439163d95fcc9dd62b91dff9dfdd2a7.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:400
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\0439163d95fcc9dd62b91dff9dfdd2a7.exe" /TN Wxpz1JCma418 /F
        3⤵
        • Creates scheduled task(s)
        PID:4996
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN Wxpz1JCma418 > C:\Users\Admin\AppData\Local\Temp\wTsWRa.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1980
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN Wxpz1JCma418
          4⤵
            PID:5056
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 608
          3⤵
          • Program crash
          PID:1148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 652
          3⤵
          • Program crash
          PID:3160
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 736
          3⤵
          • Program crash
          PID:5004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 660
          3⤵
          • Program crash
          PID:496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 724
          3⤵
          • Program crash
          PID:1044
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 780
          3⤵
          • Program crash
          PID:3100
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 1464
          3⤵
          • Program crash
          PID:4828
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 1916
          3⤵
          • Program crash
          PID:5096
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 2144
          3⤵
          • Program crash
          PID:1048
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 1932
          3⤵
          • Program crash
          PID:484
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 1976
          3⤵
          • Program crash
          PID:1468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 1916
          3⤵
          • Program crash
          PID:4712
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 2160
          3⤵
          • Program crash
          PID:2200
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 1968
          3⤵
          • Program crash
          PID:4444
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 2168
          3⤵
          • Program crash
          PID:2060
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 1932
          3⤵
          • Program crash
          PID:492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 2176
          3⤵
          • Program crash
          PID:4576
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 664
          3⤵
          • Program crash
          PID:1500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 400 -ip 400
      1⤵
        PID:1216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 400 -ip 400
        1⤵
          PID:4624
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 400 -ip 400
          1⤵
            PID:3688
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 400 -ip 400
            1⤵
              PID:184
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 400 -ip 400
              1⤵
                PID:1388
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 400 -ip 400
                1⤵
                  PID:5044
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 400 -ip 400
                  1⤵
                    PID:116
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 400 -ip 400
                    1⤵
                      PID:4984
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 400 -ip 400
                      1⤵
                        PID:548
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 400 -ip 400
                        1⤵
                          PID:4040
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 400 -ip 400
                          1⤵
                            PID:412
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 400 -ip 400
                            1⤵
                              PID:4328
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 400 -ip 400
                              1⤵
                                PID:740
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 400 -ip 400
                                1⤵
                                  PID:2904
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 400 -ip 400
                                  1⤵
                                    PID:2392
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 400 -ip 400
                                    1⤵
                                      PID:2784
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 400 -ip 400
                                      1⤵
                                        PID:4444
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 400 -ip 400
                                        1⤵
                                          PID:4908

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\0439163d95fcc9dd62b91dff9dfdd2a7.exe

                                          Filesize

                                          658KB

                                          MD5

                                          c5ecf953ae04bf62da48f43549a983bb

                                          SHA1

                                          29cebba700b99c60192870efa15f2aa5401a4277

                                          SHA256

                                          e3025912d11a58d31277b374605da31fe33eac6f7e0ab8d1e4185e5ef2da67ad

                                          SHA512

                                          4baa9fc048bee468c73e98cf0a77f8a3401222555358bd16fff7616f443b023de5f3a444883c79b57e41e853697f8b6f0666b40d1e54c367b2772fcdc3efc6c1

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

                                          Filesize

                                          1KB

                                          MD5

                                          0deedb441ecda8d25abbb184de4a0ed6

                                          SHA1

                                          c164c10f0df0c1d6fba90bf8137d045274b3ca57

                                          SHA256

                                          12c9753c1af735705d5a703efab95cf2d0aa3a945e48f5247aae8611f17c585a

                                          SHA512

                                          c27d87360997b52b0103e156ad01b28c485964dc5202db164d3e3de19b8235374ad157b1822e25e4a1fa76c2a6534c230a34d49e40a68ad468042f7660a58384

                                        • memory/400-15-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/400-17-0x0000000001730000-0x00000000017AE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/400-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/400-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/400-40-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4016-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4016-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4016-3-0x0000000024FF0000-0x000000002506E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4016-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB