Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-04-2024 10:49

General

  • Target

    lzh5_20240423_121936316.pdf

  • Size

    175KB

  • MD5

    31ea611140f31ca1a190dcf9117ba36c

  • SHA1

    072a1b730f3a097dea00f99f4490aba12a0cce94

  • SHA256

    105839e78efe93dda0ca8f21cc7341d7229539327a24ecb5e8686cdd13b96d75

  • SHA512

    ae79cbab134bf143a346b62a23e9ba5472ddc5b14200e3f79330ba13296c53318408b814f575fcf11eaa64497a62acbf38315ef2198e0b89c4454f78c0dd0606

  • SSDEEP

    3072:DzWexzc+tNaUW9AFlNmI2VrMau2lU68F6GCwznhYU2JUUmG+pdBBTP7RW0/MLvbz:DCexztat9AFlNmI2VMaPU1gGv02d/FW1

Score
1/10

Malware Config

Signatures

  • 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 20 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • 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\lzh5_20240423_121936316.pdf"
    1⤵
    • 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:952
    • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe" -c
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3260
      • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe" -c --type=collab-renderer --proc=3260
        3⤵
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1492
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe" GetChannelUri
          4⤵
            PID:1924
      • 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
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4212
        • 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=924E9F5C3A25D334F49AAC037776A2B0 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
          3⤵
            PID:3980
          • 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=F2334DE4C1FEDE27BA2C43ACA60BAB48 --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=F2334DE4C1FEDE27BA2C43ACA60BAB48 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
            3⤵
              PID:3168
            • 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=A710A8897F5677372B8BDB8DC3BEAF9B --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
              3⤵
                PID:3656
              • 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=5FEF354F10C1BA5B8CD5414148597E39 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                3⤵
                  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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=2D670A8131FB48484C4CF8749EC70BB5 --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=2D670A8131FB48484C4CF8749EC70BB5 --renderer-client-id=6 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job /prefetch:1
                  3⤵
                    PID:4500
                  • 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=54012D6A16797F864C31B177C70D20F0 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                    3⤵
                      PID:2888

                Network

                MITRE ATT&CK Matrix ATT&CK v13

                Defense Evasion

                Modify Registry

                1
                T1112

                Discovery

                Query Registry

                1
                T1012

                System Information Discovery

                1
                T1082

                Replay Monitor

                Loading Replay Monitor...

                Downloads

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

                  56KB

                  MD5

                  752a1f26b18748311b691c7d8fc20633

                  SHA1

                  c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

                  SHA256

                  111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

                  SHA512

                  a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

                  64KB

                  MD5

                  fb77e1185d672c0a373af45d4c520159

                  SHA1

                  f68e618abbb4b1c3afef6a86f41c82f717c8fe7b

                  SHA256

                  2a7a787e489af9ccf466c8e41d16209cdc48c8f00e375bcff8fbd9f9ce250b08

                  SHA512

                  a708bef434daadaf31a6565cd35d1106e5dff506f70286dc94554c4074a4f78f101b5f7b3f3778badc6abbb7dfbce0338bca92911ed19d2e5a86b30a546425b3

                • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\Reader\Synchronizer\metadata\Synchronizer
                  Filesize

                  92KB

                  MD5

                  aebe0d2eb7a2077a55e57a955e62406a

                  SHA1

                  3f811b8148f12220f4b45699135e6d21c9847d8a

                  SHA256

                  87aa4c64348b534771f03919b5bdca09596e89f6e0cca0a992bb3d290ec4155a

                  SHA512

                  efa1b082925a4e478fcea74764bbacb91d43da8c01c4b360a34e6f7402af23f91c93b5e91c6266120e144b5300e8dae73a62a7b6d7c4328410128f6a72a7baed

                • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\Reader\Synchronizer\metadata\Synchronizer
                  Filesize

                  92KB

                  MD5

                  94f94fa7dee642021414a1453b51fb4a

                  SHA1

                  f2ca365b037be8bab4da96a745633fb3a4be8ba7

                  SHA256

                  667d763bff589d5e90a76949b35c755a649c0da0876aa3897b5b53de1fe7bcea

                  SHA512

                  8c9462524bbf85a45320ad9b50b29ed90c0344b7027b04a7d50a82f458292649156a17516521812b78bfe7240e49428ad64ceadd085c72f8eb3d90e859a6bee8

                • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\Reader\Synchronizer\metadata\Synchronizer
                  Filesize

                  92KB

                  MD5

                  0a04ea9bfa733224a0bbf0bfce801b93

                  SHA1

                  4cf39ef1d6a5ee7dd156461f4d9b2b3413c6aa01

                  SHA256

                  ed8449aeff573803877ad527d5e5d2ef3440465f51fadc32da4f1aac6d53640c

                  SHA512

                  848c6ea2c584b67a0d3392efc786b7ee748c32ba0246da8a931724edf670a15631789cc44c5e945fe36fd193707a7db6b8a3905d66aefd9f3e256f9f5525a078

                • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\Reader\Synchronizer\metadata\Synchronizer
                  Filesize

                  92KB

                  MD5

                  245950c48f668cf2fcb3c64778e64089

                  SHA1

                  3a5a14c820f58e35a3fc6f5de29669f0840587d8

                  SHA256

                  a027cf12f2055635a3020f08e0448b2f0314791260ccd25570426088c5b0e307

                  SHA512

                  4fc8448536663b551cc716d78715f06d4ed217fbdf755924f0b30aebbb6212798a61c6638f919d5c14bdb6998d6a12f0ca37281f3c7f484c1821fbfc98d4a24d

                • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\Reader\Synchronizer\resources\resource-18
                  Filesize

                  3.6MB

                  MD5

                  eacf7fae6113ca0dc6577bf4a0b4cf8c

                  SHA1

                  a070901fb29267aaa25e1f85f77bfed1b3ef8446

                  SHA256

                  f0cbb9bed3f12ea767ee9572aefdea89338643b6b803b180f3c494a83745e83f

                  SHA512

                  9ef45a231319f1b86f7fc9a2f15048a3d28bed9e8fcc6007921ad9ad2dae9d9b3c3b0ee15cefbb9d80af8059c4bcb0ed5cd2eba4d4e3b27b29e6146f8eb9e22a

                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04
                  Filesize

                  471B

                  MD5

                  7c59aa5a3676acc80240ccd7f2ab81e1

                  SHA1

                  f140c457027a540f0523f27ea8605b3b2c3b6166

                  SHA256

                  e995b888629f836748d1bcc46c94ab59b394bd4ad38d2ad03623f874f79dbbdd

                  SHA512

                  33bc474f6f9a979dc1df47f506f24059e574246e835416dc3c436233fcede2120665289552360e78ecf876342b92940f2416bb71d2f23ebd5e963003d8384485

                • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04
                  Filesize

                  400B

                  MD5

                  ef3a171739b6a729bb186fad765935cc

                  SHA1

                  37a921ff8f075bbe66f0d31dcdb64d70c228e6e4

                  SHA256

                  27c407d80e6450eaaeb42c9207df4703950a3f6c22e725cf552ac7463a0efe48

                  SHA512

                  83f6e305178fffbbaeca5e252cd10092423747cfeccc7bf50a4a223e6419ff2c9e5293ddb66bfc373c5900c1df735ef68f76f5cbf138fdafb5342e80417f6d80

                • C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents
                  Filesize

                  12KB

                  MD5

                  ef818f6e5aecbd9e48d9f41161928b7e

                  SHA1

                  a65983d7ad1ffe67e2a440cd18ec935649cb5f31

                  SHA256

                  0afa5440870a20451d9c0ed204b32559c9560cb45fddcb421c63f6beebac0909

                  SHA512

                  ddbbb8a6df9f10c7d4bdbd10048b22191fea53dc1de62a36bcad09366837424ca7c9286c1caee2bbd8e8efd7d5e85a3fc7f268e7a91ae40d77d39474aa833731

                • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\DC\Security\addressbook.acrodata
                  Filesize

                  14KB

                  MD5

                  947f93fe0eed44767626846f28cfde05

                  SHA1

                  f6276d2a2b4a9d8a8e23c84019cd3961e9d60e88

                  SHA256

                  06a576fc14e995c437b26c0d150b4e84cd745e7cedfd972a84b42b51c842fc9b

                  SHA512

                  f97739eb0d22a99b06ef340aefb0d5a5b45b679d28accff3de2565166392c7d2fabaa33f945696f7d456ba2ef323f48e43eb26578f71c8b2e8ed32fb4dc69bc9

                • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\DC\Security\addressbook.acrodata
                  Filesize

                  5.3MB

                  MD5

                  c34fbec852686f9cdceb057afab88123

                  SHA1

                  1f0dc09dc3ddaee50f820a1d316b0bbbcf0d2b2c

                  SHA256

                  03140463d9f2ed2a98d80d9e7210d8d35a6c8db17daa313c8ccddb9a696d3c90

                  SHA512

                  a6676c35896339b38729c49d21d8b3ddbc916e02d9e98974d7ccc98acacc1bb4acfdd9072927341985fdf3a3c11da7f4cfbd06a9703d15dc552c8c8170cc3be4