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Analysis

  • max time kernel
    158s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/01/2024, 22:29

General

  • Target

    4497e4780f42c36cb7bce6212c2500f1.exe

  • Size

    6.4MB

  • MD5

    4497e4780f42c36cb7bce6212c2500f1

  • SHA1

    4286af4a9d5be2542f1d1d60766316d0f07b3c54

  • SHA256

    be0b5b4048025d1944aa02b4c544bce0cba93d7832dde387a47e9b7b8eb409d3

  • SHA512

    59d19078153004ea412d97585522b33f30a8692652a14bf73ae81e248751b42850febe4039fb742aa9598fa3d0cf8b4902604ca0cce4b579cc98dba83897e5a2

  • SSDEEP

    196608:Dq7dSgdlnT8adlCPdlnT8adlzvodlnT8adlCPdlnT8adlO:4xT8dT8xT8dT8l

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\4497e4780f42c36cb7bce6212c2500f1.exe
    "C:\Users\Admin\AppData\Local\Temp\4497e4780f42c36cb7bce6212c2500f1.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3764
    • C:\Users\Admin\AppData\Local\Temp\4497e4780f42c36cb7bce6212c2500f1.exe
      C:\Users\Admin\AppData\Local\Temp\4497e4780f42c36cb7bce6212c2500f1.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4456
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\4497e4780f42c36cb7bce6212c2500f1.exe" /TN EftJtVnu5bdb /F
        3⤵
        • Creates scheduled task(s)
        PID:2940
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN EftJtVnu5bdb > C:\Users\Admin\AppData\Local\Temp\AoDlioWo.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4480
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN EftJtVnu5bdb
          4⤵
            PID:3600
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 616
          3⤵
          • Program crash
          PID:1340
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 628
          3⤵
          • Program crash
          PID:4300
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 748
          3⤵
          • Program crash
          PID:4716
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 756
          3⤵
          • Program crash
          PID:2156
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 756
          3⤵
          • Program crash
          PID:1064
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 720
          3⤵
          • Program crash
          PID:2708
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 1276
          3⤵
          • Program crash
          PID:2340
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 1916
          3⤵
          • Program crash
          PID:4164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 2144
          3⤵
          • Program crash
          PID:2848
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 1932
          3⤵
          • Program crash
          PID:4480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 2104
          3⤵
          • Program crash
          PID:4924
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 1948
          3⤵
          • Program crash
          PID:996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 1920
          3⤵
          • Program crash
          PID:4904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 1916
          3⤵
          • Program crash
          PID:4344
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 2000
          3⤵
          • Program crash
          PID:4524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 2104
          3⤵
          • Program crash
          PID:5068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 1984
          3⤵
          • Program crash
          PID:3788
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 616
          3⤵
          • Program crash
          PID:5108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4456 -ip 4456
      1⤵
        PID:2032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4456 -ip 4456
        1⤵
          PID:996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4456 -ip 4456
          1⤵
            PID:2472
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4456 -ip 4456
            1⤵
              PID:2256
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4456 -ip 4456
              1⤵
                PID:3440
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4456 -ip 4456
                1⤵
                  PID:1764
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4456 -ip 4456
                  1⤵
                    PID:1608
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4456 -ip 4456
                    1⤵
                      PID:3084
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4456 -ip 4456
                      1⤵
                        PID:2236
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4456 -ip 4456
                        1⤵
                          PID:3548
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4456 -ip 4456
                          1⤵
                            PID:5108
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4456 -ip 4456
                            1⤵
                              PID:4964
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4456 -ip 4456
                              1⤵
                                PID:3848
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4456 -ip 4456
                                1⤵
                                  PID:1748
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4456 -ip 4456
                                  1⤵
                                    PID:3244
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4456 -ip 4456
                                    1⤵
                                      PID:2744
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 4456 -ip 4456
                                      1⤵
                                        PID:3844
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4456 -ip 4456
                                        1⤵
                                          PID:4548

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\4497e4780f42c36cb7bce6212c2500f1.exe

                                          Filesize

                                          260KB

                                          MD5

                                          c9587adeee700c695ba1ef2e47cabc9c

                                          SHA1

                                          6c0ed0541f0d6b9efa67f04022576bd68f616067

                                          SHA256

                                          2925b3013a5e81917363d6ed0a996311c66195c8bfc5b3765b50113337830d2b

                                          SHA512

                                          0e00371b4bd906e7704126c8339379483fca7f64234341bac818f67877dd4d3c8c5e2784d69110aae38683fefaa3d20ad1802a3c963c59546a2e9eed4014fbb8

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

                                          Filesize

                                          1KB

                                          MD5

                                          b17c3fe9e5b19ed5c37dd15b1c4d7396

                                          SHA1

                                          a8e1b58312663641f2761fb0194a74255c1dc94d

                                          SHA256

                                          554145ea6800060396ed924f3b2672ad3ab6cacd895f05672e700edf26a6f0fd

                                          SHA512

                                          1b2c1f0b89b0628d19a78af3fc95b660c724e9b19f5500be29c8d72931583a65c3b21fa53a66eda7b4ff2e927a4a3d5fbc83811b5ae5d81c05bffe619b0e0f0d

                                        • memory/3764-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3764-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3764-4-0x0000000024FF0000-0x000000002506E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3764-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4456-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4456-20-0x0000000025090000-0x000000002510E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4456-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/4456-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4456-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB