Analysis

  • max time kernel
    147s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/12/2023, 13:10

General

  • Target

    f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe

  • Size

    2.2MB

  • MD5

    e0513cff99bb7b3acd1412295e499bc2

  • SHA1

    96bb297d825579606cd690ad6ffc39b7e4c8a73a

  • SHA256

    f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9

  • SHA512

    36eb32c855b77853fa71d49df643e85b967af0e596a9b2c30bb09e57e36452f9c3f0ddc221f70c04440f5e46e03b8cdf6468d74a72b3aff52efddcdd2287be61

  • SSDEEP

    49152:pveOOVj3gu9SdZ/ufvr7TE22qqpE+OVbbk+LUqxNoWeJbxBEmVXH:pto3bEd9ufD+B0Y+IrzbLPZH

Score
10/10

Malware Config

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe
    "C:\Users\Admin\AppData\Local\Temp\f59c840544616b64fec28c914cb8e8132ad54980e80070f649a38b6bd387d6b9.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:920
    • 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\Roaming\leadchapter\Rescind.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:1196
      • 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:3628
        • 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=E7D0A085C065EF0D82FC7566062A48E1 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
          4⤵
            PID:2876
          • 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=FB86E113BEF10C3EFD5D9E2EC2C40B3F --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=FB86E113BEF10C3EFD5D9E2EC2C40B3F --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
            4⤵
              PID:4300
            • 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=59CAE098970FA1E9D5A2B8369A6A8D83 --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=59CAE098970FA1E9D5A2B8369A6A8D83 --renderer-client-id=4 --mojo-platform-channel-handle=2056 --allow-no-sandbox-job /prefetch:1
              4⤵
                PID:2512
              • 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=BD5C18ABBAA0EF939BB28F6E66751B0A --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                4⤵
                  PID:4452
                • 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=4E6E8D8D7B17CCFE17A57C8D748B5F82 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                  4⤵
                    PID:4304
                  • 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=D0FC1FBA0A7AD9EF327FBB66F276E489 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                    4⤵
                      PID:4160
                • C:\Users\Admin\AppData\Roaming\leadchapter\dwemr.exe
                  "C:\Users\Admin\AppData\Roaming\leadchapter\dwemr.exe"
                  2⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of FindShellTrayWindow
                  PID:4312
              • C:\Windows\System32\CompPkgSrv.exe
                C:\Windows\System32\CompPkgSrv.exe -Embedding
                1⤵
                  PID:3964

                Network

                MITRE ATT&CK Enterprise v15

                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

                  34c7dbd92195fcd04fcff4fa7d6213ed

                  SHA1

                  a501910b7f2abfc1240ea12c5a60b19b7a5eb1e3

                  SHA256

                  096e160a406d90b94beb07f2d4e579e21b8c7897944fcea2795acdd00e093bcf

                  SHA512

                  eaf4503f22518286c11de2570055cf5af746159b79c3ef28328d74cce5ac217eea92453a573341a7fb0af48da3b06e809ba592d94fe6182e52079bf9e5efc8d6

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

                  Filesize

                  36KB

                  MD5

                  b30d3becc8731792523d599d949e63f5

                  SHA1

                  19350257e42d7aee17fb3bf139a9d3adb330fad4

                  SHA256

                  b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

                  SHA512

                  523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

                • C:\Users\Admin\AppData\Roaming\leadchapter\HTCTL32.DLL

                  Filesize

                  320KB

                  MD5

                  2d3b207c8a48148296156e5725426c7f

                  SHA1

                  ad464eb7cf5c19c8a443ab5b590440b32dbc618f

                  SHA256

                  edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

                  SHA512

                  55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

                • C:\Users\Admin\AppData\Roaming\leadchapter\MSVCR100.dll

                  Filesize

                  755KB

                  MD5

                  0e37fbfa79d349d672456923ec5fbbe3

                  SHA1

                  4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

                  SHA256

                  8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

                  SHA512

                  2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

                • C:\Users\Admin\AppData\Roaming\leadchapter\NSM.LIC

                  Filesize

                  257B

                  MD5

                  7067af414215ee4c50bfcd3ea43c84f0

                  SHA1

                  c331d410672477844a4ca87f43a14e643c863af9

                  SHA256

                  2050cc232710a2ea6a207bc78d1eac66a4042f2ee701cdfeee5de3ddcdc31d12

                  SHA512

                  17b888087192bcea9f56128d0950423b1807e294d1c4f953d1bf0f5bd08e5f8e35afeee584ebf9233bfc44e0723db3661911415798159ac118c8a42aaf0b902f

                • C:\Users\Admin\AppData\Roaming\leadchapter\PCICL32.dll

                  Filesize

                  3.6MB

                  MD5

                  00587238d16012152c2e951a087f2cc9

                  SHA1

                  c4e27a43075ce993ff6bb033360af386b2fc58ff

                  SHA256

                  63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8

                  SHA512

                  637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226

                • C:\Users\Admin\AppData\Roaming\leadchapter\Rescind.pdf

                  Filesize

                  93KB

                  MD5

                  da6fc66a193755e2cd0771174070b8b5

                  SHA1

                  b9908eecd22588c453c4c7ca549c4f73ce28c30a

                  SHA256

                  85ddead45cc88880287fec39bde87106b91a1339d3635b0f20e72eec29d70573

                  SHA512

                  978d0201049909b727b722bf20585756c14c411bfba29c4da2789bda53b276b67bb80d2d75d624d2e2c28ce58c90bc109fa86b30710ee8c6f53790f1301f4e29

                • C:\Users\Admin\AppData\Roaming\leadchapter\client32.ini

                  Filesize

                  664B

                  MD5

                  10ce8cdbd256efe0f7da6b3e843066b7

                  SHA1

                  4f25814cd655a7aeeb8f28414cf2fd918b2cd5b7

                  SHA256

                  4897c9d486367c98f54f93ebf1e38d871fdeab84f7935450da91f10837142a9a

                  SHA512

                  f734059b69c7592be86a3d1a87d2f1c6c8efc8037020bf66abb3a0161a2316d28f3f7380b6f95bbd17842b700a2d37184032fb17cf18dc00ff9585dbd14e994d

                • C:\Users\Admin\AppData\Roaming\leadchapter\dwemr.exe

                  Filesize

                  103KB

                  MD5

                  8d9709ff7d9c83bd376e01912c734f0a

                  SHA1

                  e3c92713ce1d7eaa5e2b1fabeb06cdc0bb499294

                  SHA256

                  49a568f8ac11173e3a0d76cff6bc1d4b9bdf2c35c6d8570177422f142dcfdbe3

                  SHA512

                  042ad89ed2e15671f5df67766d11e1fa7ada8241d4513e7c8f0d77b983505d63ebfb39fefa590a2712b77d7024c04445390a8bf4999648f83dbab6b0f04eb2ee

                • C:\Users\Admin\AppData\Roaming\leadchapter\pcicapi.dll

                  Filesize

                  32KB

                  MD5

                  dcde2248d19c778a41aa165866dd52d0

                  SHA1

                  7ec84be84fe23f0b0093b647538737e1f19ebb03

                  SHA256

                  9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

                  SHA512

                  c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

                • C:\Users\Admin\AppData\Roaming\leadchapter\pcichek.dll

                  Filesize

                  18KB

                  MD5

                  a0b9388c5f18e27266a31f8c5765b263

                  SHA1

                  906f7e94f841d464d4da144f7c858fa2160e36db

                  SHA256

                  313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

                  SHA512

                  6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd