Analysis

  • max time kernel
    141s
  • max time network
    138s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06-03-2024 02:42

General

  • Target

    payload.ps1

  • Size

    12.4MB

  • MD5

    3d66aa2521f3e024a926350ac22c0622

  • SHA1

    e92999c0809b144c20f0ceac95e9e39cd788124a

  • SHA256

    2de324d57bb96154e70958eea97713553f59025ca39220aec5d53c908cbf4645

  • SHA512

    1dd56755dd7dfa322d25cf4733417e099e63ba688e6173f01ff7abe825a5c6685362bae3026908f13f0a110e2a3d0377ea9cb3457e4ae46e450be300d3af9fd0

  • SSDEEP

    49152:t4h5SOsvIuP8mqGsqFnv5GQDuam+yZncMLhfbfUlSe+dPR9DV4mmabYp8Q76Xiji:C

Malware Config

Signatures

  • Jupyter, SolarMarker

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

  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\payload.ps1
    1⤵
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\3uankmnu\3uankmnu.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3608
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES64C5.tmp" "c:\Users\Admin\AppData\Local\Temp\3uankmnu\CSC1EE5D670631F404BA2283D92A60A498.TMP"
        3⤵
          PID:4788
      • 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\~P9341841.pdf"
        2⤵
        • Checks processor information in registry
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2804
        • 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:3328
          • 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=D5F9EE4BA596D5E2D7AEF0173A70CBBB --mojo-platform-channel-handle=1640 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
            4⤵
              PID:2596
            • 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=1B9E496C2FB498174AB7253A568511BF --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=1B9E496C2FB498174AB7253A568511BF --renderer-client-id=2 --mojo-platform-channel-handle=1652 --allow-no-sandbox-job /prefetch:1
              4⤵
                PID:816
              • 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=DE588C69C7C25569A1E21EE48FD5BA15 --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=DE588C69C7C25569A1E21EE48FD5BA15 --renderer-client-id=4 --mojo-platform-channel-handle=2216 --allow-no-sandbox-job /prefetch:1
                4⤵
                  PID:4532
                • 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=66F2DDC1A1CC1A57F4D0F6FE7A02DC84 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                  4⤵
                    PID:3264
                  • 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=5967E6C1343456F62A31F9FF38BABDCB --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                    4⤵
                      PID:2396
                    • 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=1BA1E64B2CF71FE26A1B7486D957D109 --mojo-platform-channel-handle=1632 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                      4⤵
                        PID:5100

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

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

                  Filesize

                  64KB

                  MD5

                  d7004808bf764b589caf5eef780f54c9

                  SHA1

                  6f6648c507ad5418010f0e5eb984b4a0c8d4472f

                  SHA256

                  76ddd25e21983a66438b76af774c56ec565cdb65e5947885a327f658fc0ec737

                  SHA512

                  717bc2e949514a0bdcc7421ea8db7bda4ad9778c2cf4cb07bb8f83d649209d6f2f5c70be48fe2e06161c23debcf382c6e48c39a4765dfeb40ae5a06a4bf1e72c

                • 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\Temp\3uankmnu\3uankmnu.dll

                  Filesize

                  3KB

                  MD5

                  bd79b31e8ea497ae403d2a0c47efd057

                  SHA1

                  2e7e3a9ec42d1eee18619b0c082bf979d26e45f2

                  SHA256

                  f3112059beefe49a0a1a924c02d6a5293b410ea909acbc4bacd5343998045184

                  SHA512

                  5caaf1a1ad4a1a45f4ae9b19b3242d8a32c263c603800e62a4a917f221e387077eb992608747e3cfc6a6f93fae6483a5e180b0d956f0d5c6f3309a695532c67e

                • C:\Users\Admin\AppData\Local\Temp\RES64C5.tmp

                  Filesize

                  1KB

                  MD5

                  66f91a51487c387980255e2e63ee8b02

                  SHA1

                  e2c7fe98619e48f0e99b861dc02d6048ea6ddec0

                  SHA256

                  be358a93e7fee09ecaeb9775ccbe25dcae87b1541e10703ddc74b58e9d93ad3f

                  SHA512

                  52f5b025633918e997e18757e0919c60c64887442c9e30f0548f7060c91258e4c628070268d085629611577893e90739692b5076bd45f6d89a3f0a6fb5b6d420

                • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uebcdzq1.eqw.ps1

                  Filesize

                  1B

                  MD5

                  c4ca4238a0b923820dcc509a6f75849b

                  SHA1

                  356a192b7913b04c54574d18c28d46e6395428ab

                  SHA256

                  6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

                  SHA512

                  4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

                • C:\Users\Admin\AppData\Local\Temp\~P9341841.pdf

                  Filesize

                  1.9MB

                  MD5

                  1bec5d9625c6712cc79e3bd1c5f56eea

                  SHA1

                  a34df7a1969103aea243d78cbaa7301aecd91976

                  SHA256

                  53cf3618e580cdb4a1faa11f251dd5aaa944232ec5d816a2e575a927bea0b55e

                  SHA512

                  8f8b811995cc00e23205f38e48a3ac473be2ebde7c4deeafa02585c54e254a8df0aa8e5b93a19e17ad668d0e3910b58ccc4e20429d8165e9b8d687ea9ba21e3e

                • \??\c:\Users\Admin\AppData\Local\Temp\3uankmnu\3uankmnu.0.cs

                  Filesize

                  244B

                  MD5

                  b999975748af32dd007ff48814430b26

                  SHA1

                  46b54a3e3be2d3497127d67b96b3f6a55d26447d

                  SHA256

                  ed13935d6ac43e5ce0419aa7d162dbc70562c02dedacb81d5efdfc609a035c69

                  SHA512

                  f8e48caaac395db45ac4c8a899dbd64305dd6f57fcd22919a6d880b035455286d3504b097dca250d4ea283004cb64d47e376901b8fae65f4fa792234dee9f81e

                • \??\c:\Users\Admin\AppData\Local\Temp\3uankmnu\3uankmnu.cmdline

                  Filesize

                  369B

                  MD5

                  cba21e77a0f9700acb338a259e998915

                  SHA1

                  7c030405049fc8be844e444de8c7156c366462dc

                  SHA256

                  89c4a088cd323af61fe75a68dc91d9580d805a6d8a948781e56c4421ce2e2188

                  SHA512

                  1e2d92a385a210f336e85cd6f1d6883ff9a78b955a81972741413eae0c3e0f27397681bbcb870f2d23fdac107c731665743fd14d5ea06f89b7ee81da372095a1

                • \??\c:\Users\Admin\AppData\Local\Temp\3uankmnu\CSC1EE5D670631F404BA2283D92A60A498.TMP

                  Filesize

                  652B

                  MD5

                  bd7f0eb55b1d1ddab59a39a60a0bba1c

                  SHA1

                  fc26c9d361c1dfd3758b0fa9d8d47a4a6d562917

                  SHA256

                  8bfc629e13db6133297f0f4cb0d0b5563a82c23a50980ff9af6ff1f9a00deabb

                  SHA512

                  c3118324ee1dae25e5098b1e8fcf3400e0ae31cb91764594f8cf9951d5851b919c8d376fdca25d78fc11a797fd9a211a1c17be42053a8223eeac038e4cff2b37

                • memory/3696-51-0x000001B642B00000-0x000001B642BD6000-memory.dmp

                  Filesize

                  856KB

                • memory/3696-39-0x000001B641A00000-0x000001B641A08000-memory.dmp

                  Filesize

                  32KB

                • memory/3696-11-0x000001B6424C0000-0x000001B642536000-memory.dmp

                  Filesize

                  472KB

                • memory/3696-5-0x000001B642390000-0x000001B6423B2000-memory.dmp

                  Filesize

                  136KB

                • memory/3696-28-0x000001B641A10000-0x000001B641A20000-memory.dmp

                  Filesize

                  64KB

                • memory/3696-8-0x00007FFCAA3B0000-0x00007FFCAAD9C000-memory.dmp

                  Filesize

                  9.9MB

                • memory/3696-9-0x000001B641A10000-0x000001B641A20000-memory.dmp

                  Filesize

                  64KB

                • memory/3696-10-0x000001B641A10000-0x000001B641A20000-memory.dmp

                  Filesize

                  64KB

                • memory/3696-187-0x00007FFCAA3B0000-0x00007FFCAAD9C000-memory.dmp

                  Filesize

                  9.9MB

                • memory/3696-188-0x000001B641A10000-0x000001B641A20000-memory.dmp

                  Filesize

                  64KB

                • memory/3696-189-0x000001B641A10000-0x000001B641A20000-memory.dmp

                  Filesize

                  64KB

                • memory/3696-190-0x000001B641A10000-0x000001B641A20000-memory.dmp

                  Filesize

                  64KB