Analysis

  • max time kernel
    1809s
  • max time network
    1825s
  • platform
    windows10-1703_x64
  • resource
    win10-20231025-en
  • resource tags

    arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system
  • submitted
    14-11-2023 20:23

General

  • Target

    Continuing-Education-Credits-Application-AHRMM-NonAffiliated.exe

  • Size

    302.4MB

  • MD5

    1dd3a3d8228a3d019abd0be6019c87a2

  • SHA1

    a24b516a146e0ec30b48aa8b46eb673551dac0ee

  • SHA256

    ce8c2fc7e49bc791f10b5022a0d353debb620d11b4f7add4c2215771250b34eb

  • SHA512

    dfded95b189de78ec90c418951cd263acbb6219047828e7ba24a82c70a3c3ac7a0f4e6de056b640dd1ba81518d1e5828a3fea9514162fd2aa39c278a3323dc08

  • SSDEEP

    24576:pa5WZXF4esx1a084mXvgdtGW3B7HEjZlZ3TMa7xaFgiBQOjGib7gKoWmuFY:pa4ZV4LrCXvYRLEjrZ3TMASB5bsKocY

Malware Config

Extracted

Family

jupyter

C2

http://91.206.178.109

Signatures

  • Jupyter, SolarMarker

    Jupyter is a backdoor and infostealer first seen in mid 2020.

  • Blocklisted process makes network request 2 IoCs
  • Drops startup file 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Continuing-Education-Credits-Application-AHRMM-NonAffiliated.exe
    "C:\Users\Admin\AppData\Local\Temp\Continuing-Education-Credits-Application-AHRMM-NonAffiliated.exe"
    1⤵
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\~~privacy-policy.pdf"
      2⤵
      • Checks processor information in registry
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2316
      • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2192
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=41E749A9420F85DD35E4325E7637E219 --mojo-platform-channel-handle=1612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
          4⤵
            PID:208
          • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
            "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=CC2EBADFF87CABA41C9C24DEC82ECF92 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=CC2EBADFF87CABA41C9C24DEC82ECF92 --renderer-client-id=2 --mojo-platform-channel-handle=1636 --allow-no-sandbox-job /prefetch:1
            4⤵
              PID:4728
            • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
              "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=3BBD0D341510046ACEE3647D01AC2511 --mojo-platform-channel-handle=2200 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
              4⤵
                PID:4724
              • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=7639ADDA9E3416F715CFF8BACE64B043 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                4⤵
                  PID:1600
                • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=C1883677D8A2266B3528C3F3C2718BAB --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                  4⤵
                    PID:1336
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                "powershell"
                2⤵
                • Blocklisted process makes network request
                • Drops startup file
                • Modifies registry class
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:9036
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  "powershell"
                  3⤵
                  • Blocklisted process makes network request
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:15492

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\APPDATA\ROAMING\xB0CYYK83xfRZ814yABrL2G2zmoJR1jiS9JSDaF8ii09Jo8QfE6wVWaxWXJj44jF

              Filesize

              85B

              MD5

              d95c4b7d18a890289fc67e181bb2f7ee

              SHA1

              a3053c1f5f52153bcbb171b124519a2144e6b229

              SHA256

              eec131e28a1556b00c6449b592a826b206a54db4747fcf5a08f103b72cd68f8f

              SHA512

              6493bbe90b05f1b81f8cf34c1cf65c86e203d9ebf8141ccb79d91bfed4836b7958ad8d3279a340821d9ec2e79cec9bc87e3424679151f8fd28362b38ab1b4360

            • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

              Filesize

              64KB

              MD5

              d1ce0444d3b24953f73412171f5a2ae4

              SHA1

              6343f8c44de1d6750e2a11fb9b56ba4c3e50db80

              SHA256

              ca6a05d6e241008d3edd47fd1213ca2e3883c81c3a9021da444778af264a04cf

              SHA512

              0e998a5eac80148812e48f0108f0cec375206252e9ccb3d915c25c8fe89d53e4ea668201a44d254f2ffb728de66ac11a5900f3504c127f0b5b5a882fbd3d0884

            • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

              Filesize

              36KB

              MD5

              b30d3becc8731792523d599d949e63f5

              SHA1

              19350257e42d7aee17fb3bf139a9d3adb330fad4

              SHA256

              b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

              SHA512

              523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

            • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

              Filesize

              56KB

              MD5

              752a1f26b18748311b691c7d8fc20633

              SHA1

              c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

              SHA256

              111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

              SHA512

              a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

              Filesize

              50KB

              MD5

              2143b379fed61ab5450bab1a751798ce

              SHA1

              32f5b4e8d1387688ee5dec6b3cc6fd27b454f19e

              SHA256

              a2c739624812ada0913f2fbfe13228e7e42a20efdcb6d5c4e111964f9b620f81

              SHA512

              0bc39e3b666fdad76bcf4fe7e7729c9e8441aa2808173efc8030ce07c753cb5f7e25d81dd8ec75e7a5b6324b7504ff461e470023551976a2a6a415d6a4859bfa

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fsudajcn.clt.ps1

              Filesize

              1B

              MD5

              c4ca4238a0b923820dcc509a6f75849b

              SHA1

              356a192b7913b04c54574d18c28d46e6395428ab

              SHA256

              6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

              SHA512

              4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

            • memory/3212-5-0x0000000030390000-0x0000000030406000-memory.dmp

              Filesize

              472KB

            • memory/3212-46-0x00007FFAB7F50000-0x00007FFAB893C000-memory.dmp

              Filesize

              9.9MB

            • memory/3212-6-0x00000000326A0000-0x000000003274E000-memory.dmp

              Filesize

              696KB

            • memory/3212-1-0x00007FFAB7F50000-0x00007FFAB893C000-memory.dmp

              Filesize

              9.9MB

            • memory/3212-136-0x0000000014720000-0x0000000014730000-memory.dmp

              Filesize

              64KB

            • memory/3212-143-0x0000000014720000-0x0000000014730000-memory.dmp

              Filesize

              64KB

            • memory/3212-156-0x0000000014720000-0x0000000014730000-memory.dmp

              Filesize

              64KB

            • memory/3212-4-0x0000000014EA0000-0x0000000014EC2000-memory.dmp

              Filesize

              136KB

            • memory/3212-3-0x0000000014720000-0x0000000014730000-memory.dmp

              Filesize

              64KB

            • memory/3212-2-0x0000000000FE0000-0x0000000001FE0000-memory.dmp

              Filesize

              16.0MB

            • memory/9036-399-0x000002CE7D620000-0x000002CE7D65C000-memory.dmp

              Filesize

              240KB

            • memory/9036-372-0x000002CE7CB40000-0x000002CE7CB50000-memory.dmp

              Filesize

              64KB

            • memory/9036-448-0x000002CE7CB40000-0x000002CE7CB50000-memory.dmp

              Filesize

              64KB

            • memory/9036-469-0x000002CE7CB40000-0x000002CE7CB50000-memory.dmp

              Filesize

              64KB

            • memory/9036-535-0x000002CE7D860000-0x000002CE7D902000-memory.dmp

              Filesize

              648KB

            • memory/9036-555-0x000002CE7CB40000-0x000002CE7CB50000-memory.dmp

              Filesize

              64KB

            • memory/9036-371-0x00007FFAB7F50000-0x00007FFAB893C000-memory.dmp

              Filesize

              9.9MB

            • memory/9036-447-0x00007FFAB7F50000-0x00007FFAB893C000-memory.dmp

              Filesize

              9.9MB

            • memory/15492-965-0x00000241F4F80000-0x00000241F4F90000-memory.dmp

              Filesize

              64KB

            • memory/15492-964-0x00000241F4F80000-0x00000241F4F90000-memory.dmp

              Filesize

              64KB

            • memory/15492-1023-0x00007FFAB7F50000-0x00007FFAB893C000-memory.dmp

              Filesize

              9.9MB

            • memory/15492-1025-0x00000241F4F80000-0x00000241F4F90000-memory.dmp

              Filesize

              64KB

            • memory/15492-1024-0x00000241F4F80000-0x00000241F4F90000-memory.dmp

              Filesize

              64KB

            • memory/15492-1044-0x00000241F4F80000-0x00000241F4F90000-memory.dmp

              Filesize

              64KB

            • memory/15492-1049-0x00000241F5800000-0x00000241F58B4000-memory.dmp

              Filesize

              720KB

            • memory/15492-963-0x00007FFAB7F50000-0x00007FFAB893C000-memory.dmp

              Filesize

              9.9MB

            • memory/15492-1065-0x00000241F5CB0000-0x00000241F5D00000-memory.dmp

              Filesize

              320KB

            • memory/15492-1094-0x00007FFAB7F50000-0x00007FFAB893C000-memory.dmp

              Filesize

              9.9MB