Analysis

  • max time kernel
    139s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/07/2023, 06:36

General

  • Target

    PurchaseOrder.exe

  • Size

    2.4MB

  • MD5

    6757f09fde7c25be502dd96903616373

  • SHA1

    9473c0fe323dba82120b183cb5534adb15712f21

  • SHA256

    233019f7f2464732ec93ec2b01b360363a9c5a387c1f392c4ed92c90aeb5505f

  • SHA512

    e78e120ee51f353cb2bdf313a58ebe3eeb070c3491671938dccf9166da98110c1de08977236cba4cfed32b78cff3fc5684b2d10fa55a3bade663756f500030b9

  • SSDEEP

    49152:wBXgSB+D6dg357ao6rSFL+Nu6WaS0101whW0tZiWNuTWa:k3Btdg357grSFE28x/ZiWNuh

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 5 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 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PurchaseOrder.exe
    "C:\Users\Admin\AppData\Local\Temp\PurchaseOrder.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:5036
    • C:\Users\Admin\AppData\Roaming\SuportUpWin\client32.exe
      "C:\Users\Admin\AppData\Roaming\SuportUpWin\client32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1772

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

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

          Filesize

          320KB

          MD5

          c94005d2dcd2a54e40510344e0bb9435

          SHA1

          55b4a1620c5d0113811242c20bd9870a1e31d542

          SHA256

          3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

          SHA512

          2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

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

          Filesize

          320KB

          MD5

          c94005d2dcd2a54e40510344e0bb9435

          SHA1

          55b4a1620c5d0113811242c20bd9870a1e31d542

          SHA256

          3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

          SHA512

          2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

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

          Filesize

          755KB

          MD5

          0e37fbfa79d349d672456923ec5fbbe3

          SHA1

          4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

          SHA256

          8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

          SHA512

          2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

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

          Filesize

          259B

          MD5

          866c96ba2823ac5fe70130dfaaa08531

          SHA1

          892a656da1ea264c73082da8c6e5f5728abcb861

          SHA256

          6a7c99e4bd767433c25d6df8df81baa99c05dd24fa064e45c306ff4d954e1921

          SHA512

          0dafc66222bbfcb1558d9845ee4ddeb7a687561b08b86a07b66b120c22952a8082e041d9234d9c69c8ade5d4dae894d3f10afd7ba6dd3f057a08fb5d57c42112

        • C:\Users\Admin\AppData\Roaming\SuportUpWin\PCICHEK.DLL

          Filesize

          18KB

          MD5

          104b30fef04433a2d2fd1d5f99f179fe

          SHA1

          ecb08e224a2f2772d1e53675bedc4b2c50485a41

          SHA256

          956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

          SHA512

          5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

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

          Filesize

          3.6MB

          MD5

          d3d39180e85700f72aaae25e40c125ff

          SHA1

          f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

          SHA256

          38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

          SHA512

          471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

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

          Filesize

          3.6MB

          MD5

          d3d39180e85700f72aaae25e40c125ff

          SHA1

          f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

          SHA256

          38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

          SHA512

          471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

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

          Filesize

          101KB

          MD5

          c4f1b50e3111d29774f7525039ff7086

          SHA1

          57539c95cba0986ec8df0fcdea433e7c71b724c6

          SHA256

          18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

          SHA512

          005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

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

          Filesize

          101KB

          MD5

          c4f1b50e3111d29774f7525039ff7086

          SHA1

          57539c95cba0986ec8df0fcdea433e7c71b724c6

          SHA256

          18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

          SHA512

          005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

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

          Filesize

          101KB

          MD5

          c4f1b50e3111d29774f7525039ff7086

          SHA1

          57539c95cba0986ec8df0fcdea433e7c71b724c6

          SHA256

          18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

          SHA512

          005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

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

          Filesize

          922B

          MD5

          4ba2a8de752105b9fff4b7652d699da5

          SHA1

          d9e46698a8bd8cd8e022f3fa3b01852a8a442e2c

          SHA256

          f83587c168e56bab9a0a0a14cfe2c5a2c7f8418a4709b7b10665f786a622d001

          SHA512

          c665c9ee61a52521b6736546bff88fe32c169a686f48fd8da10c58323c56a5b7ef8e35ba1dc80a61451e2b1fc670bc8ae4be9087ea68235aade56d956d426824

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

          Filesize

          755KB

          MD5

          0e37fbfa79d349d672456923ec5fbbe3

          SHA1

          4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

          SHA256

          8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

          SHA512

          2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

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

          Filesize

          32KB

          MD5

          34dfb87e4200d852d1fb45dc48f93cfc

          SHA1

          35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

          SHA256

          2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

          SHA512

          f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

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

          Filesize

          32KB

          MD5

          34dfb87e4200d852d1fb45dc48f93cfc

          SHA1

          35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

          SHA256

          2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

          SHA512

          f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

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

          Filesize

          18KB

          MD5

          104b30fef04433a2d2fd1d5f99f179fe

          SHA1

          ecb08e224a2f2772d1e53675bedc4b2c50485a41

          SHA256

          956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

          SHA512

          5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

        • C:\Users\Admin\AppData\Roaming\SuportUpWin\remcmdstub.exe

          Filesize

          62KB

          MD5

          6fca49b85aa38ee016e39e14b9f9d6d9

          SHA1

          b0d689c70e91d5600ccc2a4e533ff89bf4ca388b

          SHA256

          fedd609a16c717db9bea3072bed41e79b564c4bc97f959208bfa52fb3c9fa814

          SHA512

          f9c90029ff3dea84df853db63dace97d1c835a8cf7b6a6227a5b6db4abe25e9912dfed6967a88a128d11ab584663e099bf80c50dd879242432312961c0cfe622