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Analysis

  • max time kernel
    138s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 10:20

General

  • Target

    15b7421962e1bb199d0fa96d0cccef45.exe

  • Size

    3.9MB

  • MD5

    15b7421962e1bb199d0fa96d0cccef45

  • SHA1

    9a618cf3a855ac1746ade2e4327acfb3521ed3e9

  • SHA256

    830f2783f525b0c13539cd806c9b28db2582173bcadb5dd588221122247e610a

  • SHA512

    06685191b5bb1989cd4d9a511075da866b43696a9fb891e7525cfa597165d3db7b7ef1e38b04ee349b3b7d1166cd23976953b11d8d77f721a3b670a829ae8e9d

  • SSDEEP

    98304:WSh/5K6VA9zyULG+0dKz4DpvA9zyULG+zktKaxWA9zyULG+0dKz4DpvA9zyULG+:dp5KxzLq7ae4zLqCkwax3zLq7ae4zLq

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\15b7421962e1bb199d0fa96d0cccef45.exe
    "C:\Users\Admin\AppData\Local\Temp\15b7421962e1bb199d0fa96d0cccef45.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2436
    • C:\Users\Admin\AppData\Local\Temp\15b7421962e1bb199d0fa96d0cccef45.exe
      C:\Users\Admin\AppData\Local\Temp\15b7421962e1bb199d0fa96d0cccef45.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3140
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\15b7421962e1bb199d0fa96d0cccef45.exe" /TN EftJtVnu5bdb /F
        3⤵
        • Creates scheduled task(s)
        PID:220
      • 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:2068
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN EftJtVnu5bdb
          4⤵
            PID:4992
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 436
          3⤵
          • Program crash
          PID:1376
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 632
          3⤵
          • Program crash
          PID:1264
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 736
          3⤵
          • Program crash
          PID:3908
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 756
          3⤵
          • Program crash
          PID:1920
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 756
          3⤵
          • Program crash
          PID:4300
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 816
          3⤵
          • Program crash
          PID:3476
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1464
          3⤵
          • Program crash
          PID:1428
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1920
          3⤵
          • Program crash
          PID:1336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 2144
          3⤵
          • Program crash
          PID:5040
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 2124
          3⤵
          • Program crash
          PID:492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1932
          3⤵
          • Program crash
          PID:2732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1924
          3⤵
          • Program crash
          PID:2788
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1932
          3⤵
          • Program crash
          PID:3676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1928
          3⤵
          • Program crash
          PID:3612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 1984
          3⤵
          • Program crash
          PID:2840
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 2180
          3⤵
          • Program crash
          PID:3732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 2192
          3⤵
          • Program crash
          PID:4448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 648
          3⤵
          • Program crash
          PID:2520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3140 -ip 3140
      1⤵
        PID:4860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3140 -ip 3140
        1⤵
          PID:4676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3140 -ip 3140
          1⤵
            PID:956
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3140 -ip 3140
            1⤵
              PID:4504
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3140 -ip 3140
              1⤵
                PID:4884
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3140 -ip 3140
                1⤵
                  PID:1796
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3140 -ip 3140
                  1⤵
                    PID:3324
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3140 -ip 3140
                    1⤵
                      PID:4204
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3140 -ip 3140
                      1⤵
                        PID:2624
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3140 -ip 3140
                        1⤵
                          PID:2252
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3140 -ip 3140
                          1⤵
                            PID:1376
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3140 -ip 3140
                            1⤵
                              PID:4792
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3140 -ip 3140
                              1⤵
                                PID:404
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3140 -ip 3140
                                1⤵
                                  PID:4672
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3140 -ip 3140
                                  1⤵
                                    PID:4180
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3140 -ip 3140
                                    1⤵
                                      PID:2044
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 3140 -ip 3140
                                      1⤵
                                        PID:3180
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 3140 -ip 3140
                                        1⤵
                                          PID:4368

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\15b7421962e1bb199d0fa96d0cccef45.exe

                                          Filesize

                                          1.4MB

                                          MD5

                                          e9b7e3eab9d590590230faea8bf0b76b

                                          SHA1

                                          93a0de7c7b38fb900e2021b3785f80ac5adc721d

                                          SHA256

                                          afd1593d4d74568a141aba113a98207626dfcb99de039ae7198864d88d84cc2c

                                          SHA512

                                          5c9c854da26c2d56deb0225f89bf359cdb43b1f66775e8edbef27f5f15ac17d3c7d5358a28a156f24ef907d3e84e6378ac298aeeb673b473aa25e8204084cfdc

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

                                          Filesize

                                          1KB

                                          MD5

                                          b95bfc4073eecf923476b7b2f8622947

                                          SHA1

                                          d174664926a857ec8f2d2a5429ffe8821d3f41a7

                                          SHA256

                                          5ce18d81444633453c251fefbd8d56f04255023a829d7f2c8f98cf0a01527960

                                          SHA512

                                          90bd9374c414832b7a5fe467a859b9d3269a1b13b0057d0e9febcd89e2593aef06f638e81f5285007fe11092025e3588d86dc796ec97380135071a1aa265918a

                                        • memory/2436-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2436-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2436-5-0x0000000001720000-0x000000000179E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2436-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3140-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/3140-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/3140-21-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/3140-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/3140-34-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB