Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 09:41

General

  • Target

    e15c59c08478fd77ec86fb8c1963d0a3.exe

  • Size

    2.0MB

  • MD5

    e15c59c08478fd77ec86fb8c1963d0a3

  • SHA1

    42861aea18ad9ff5bbb5ab507fce189a43c576c3

  • SHA256

    f3df78ed07c9199f343c37ed69ece2d0040bcbb816e18de5ad544dd2a4e6feed

  • SHA512

    54d91af4ac67c35832e2062ffc7a055c55b8c36194640c59ce7c37b7d913f800df0d7164fb298edb69178ef683af87fb411f7949f112dae4e8130737825f825d

  • SSDEEP

    49152:WZAOFHzPIldt9QFm0yfR0MRhYHAoniaq01LOXLtF81k:WmBldQyHhYbBd1L0XAk

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).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e15c59c08478fd77ec86fb8c1963d0a3.exe
    "C:\Users\Admin\AppData\Local\Temp\e15c59c08478fd77ec86fb8c1963d0a3.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Roaming\WinSupport\client32.exe
      "C:\Users\Admin\AppData\Roaming\WinSupport\client32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4676
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3740 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4244

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      232KB

      MD5

      321ce622803c125196e78897e0bdb5bf

      SHA1

      fa5ea2f9f3d744cbad7dafdb8fca8946629ca777

      SHA256

      caef9750aaead7f727fb939a8cb6d6b25b7db08916fee476c2cd3261a89751ce

      SHA512

      ff70a82b3b075ac69a0db4da8d42a5df999ffc2d0e6f3f24e57a0eaedff7c7b9e50deeea23aa492fdb2cb86b6d1b0a8ee2ce586ac0857fe65ef69a016685dd2c

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

      Filesize

      231KB

      MD5

      7505f73a5204dcef8c318261e1407d02

      SHA1

      ffa284a0001fb98d37660acb7ea57878b18e1fc8

      SHA256

      43ad8abcf323c27f5900dce7ef9809bcf738358d87ac27a5c8f9599384d613a4

      SHA512

      419ad42412a44bd2fa1c34246a0e0efe9e14fcabcc5433a6e1b77fd32658764288ae4671d4a3c5d2401a43c5d0bbb0af78c05f404fffa646c94383af27a9bb47

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

      Filesize

      254B

      MD5

      8614c2008044a081e9d26d8db1571f4a

      SHA1

      1b007f05c289d0b71d542520b25fe65c6b6fcbe3

      SHA256

      df622fc8bc605023730d3ad952d69fcbd8383ce5440d63da0df20fb139355ec9

      SHA512

      449244a508daaacde53078b826f7b482650acc3f61e8235fa892a737bebbecb178061d0aa1e99cd74da7885c86cebb2727d6e85384ecd68187d7e6e94f018ae9

    • C:\Users\Admin\AppData\Roaming\WinSupport\PCICL32.DLL

      Filesize

      2.3MB

      MD5

      64118e10b20c29dee6f75a1ab6699b3a

      SHA1

      07a03645472bcde99c95932b6af6216b1793e04d

      SHA256

      0cc4138af7c1e4bc72301119d86cdfddfa45cfa6750bbe61075b47bd332ae44b

      SHA512

      c61c618bad7f0f4ecea5793d4d08ca078b3f5eb2814a637c7d1050dc154495d9163e07ca1095fa0f5c074a7bace9e853a8cfb7d5088e14c3ce9824ecfdbda827

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

      Filesize

      812KB

      MD5

      ab5f5f61643866b725bb08f66ab593c2

      SHA1

      405d3dac628498dbc5e387b7d203975cdbdebe60

      SHA256

      e4e9a6a6b4ce3723e554b137fe2b2ed0565c5bb29131d6a5f862b3af8409186a

      SHA512

      54eeb136106c0a258077627c14556675f47c865e3395c440ffd2a483c83e3559c15d95c1d03b7e74703424aa4e14ff6a384376dfb304559fe965f8365ad8e788

    • C:\Users\Admin\AppData\Roaming\WinSupport\TCCTL32.DLL

      Filesize

      387KB

      MD5

      eab603d12705752e3d268d86dff74ed4

      SHA1

      01873977c871d3346d795cf7e3888685de9f0b16

      SHA256

      6795d760ce7a955df6c2f5a062e296128efdb8c908908eda4d666926980447ea

      SHA512

      77de0d9c93ccba967db70b280a85a770b3d8bea3b707b1abb037b2826b48898fec87924e1a6cce218c43478e5209e9eb9781051b4c3b450bea3cd27dbd32c7f3

    • C:\Users\Admin\AppData\Roaming\WinSupport\client32.exe

      Filesize

      104KB

      MD5

      f76954b68cc390f8009f1a052283a740

      SHA1

      3112a39aad950045d6422fb2abe98bed05931e6c

      SHA256

      63315df7981130853d75dc753e5776bdf371811bcfce351557c1e45afdd1ebfb

      SHA512

      d3aea0867b488161f62e43e7c250ad3917713b8b183139fb6e06c71594fb0cec769e1494b7cc257117992ae4aa891e056f99c25431ae19f032b1ba779051a880

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

      Filesize

      800B

      MD5

      6dbe6c497287dee65af93ac9cd495c33

      SHA1

      c81bec0600a63c21ac19ec22939e6c5fa7d0b73d

      SHA256

      e220a2d6a2841cd21dc489fc86b9af7bd4337232f4df919b4146ef9dc6e29f3e

      SHA512

      18ae1aaa41569a567c89ebf22c5ac3d8717767ce7cb2f57c51885d4ba09498a5302fa6e7592b98538268600f2fc346b5204c09bf158d37aa6c56158ef32b465a

    • C:\Users\Admin\AppData\Roaming\WinSupport\msvcr100.dll

      Filesize

      755KB

      MD5

      0e37fbfa79d349d672456923ec5fbbe3

      SHA1

      4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

      SHA256

      8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

      SHA512

      2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

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

      Filesize

      32KB

      MD5

      dcde2248d19c778a41aa165866dd52d0

      SHA1

      7ec84be84fe23f0b0093b647538737e1f19ebb03

      SHA256

      9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

      SHA512

      c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

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

      Filesize

      18KB

      MD5

      a0b9388c5f18e27266a31f8c5765b263

      SHA1

      906f7e94f841d464d4da144f7c858fa2160e36db

      SHA256

      313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

      SHA512

      6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd