Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/07/2023, 19:37

General

  • Target

    ra.exe

  • Size

    2.4MB

  • MD5

    2cdace162eadc830f4ae8cac10a678e5

  • SHA1

    b4a74f06ab70053de71f4ec0066751c2df342256

  • SHA256

    3fd89d02558550ba006d7df7fe1074d3a4118d1fc53c25104a4c581b810adf18

  • SHA512

    ebf81dc1d6c9ab2add5bb3097faeaca07f82b6e5990a69f2412ee4500aad42d1a2ac68cb4777b859d5d455e624bb3246167dff10807eef93fb62ae9d64bcef89

  • SSDEEP

    49152:NynnWNv7RehafNELosBBMRdBmmnQI2KlDF+eXU/sJCKeZxEzhIJG0:NyWNTMhalEjmDRdq0JWQ+M0

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\ra.exe
    "C:\Users\Admin\AppData\Local\Temp\ra.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Users\Admin\AppData\Roaming\WinUpdateSupp\client32.exe
      "C:\Users\Admin\AppData\Roaming\WinUpdateSupp\client32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:5012

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    320KB

    MD5

    c94005d2dcd2a54e40510344e0bb9435

    SHA1

    55b4a1620c5d0113811242c20bd9870a1e31d542

    SHA256

    3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

    SHA512

    2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

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

    Filesize

    320KB

    MD5

    c94005d2dcd2a54e40510344e0bb9435

    SHA1

    55b4a1620c5d0113811242c20bd9870a1e31d542

    SHA256

    3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

    SHA512

    2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

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

    Filesize

    755KB

    MD5

    0e37fbfa79d349d672456923ec5fbbe3

    SHA1

    4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

    SHA256

    8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

    SHA512

    2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

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

    Filesize

    252B

    MD5

    b92efb48cd47f8cd6c4c9c703d70dae0

    SHA1

    4ea210c6684b1899f8249f274b1818f6c08915b1

    SHA256

    72f19a95165798268aff5f8a8f53c0b8e29bd601ee0da70497cca2592d04bea4

    SHA512

    2f082923c8a0a677ff9d9abd2387eeff4101b982932f78bceff988965e9b4faa79e14ee8c3613773235df94211a6f1f2bae0bdd89a6fdb4befc9a677bbdb02fa

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

    Filesize

    18KB

    MD5

    104b30fef04433a2d2fd1d5f99f179fe

    SHA1

    ecb08e224a2f2772d1e53675bedc4b2c50485a41

    SHA256

    956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

    SHA512

    5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

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

    Filesize

    3.6MB

    MD5

    d3d39180e85700f72aaae25e40c125ff

    SHA1

    f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

    SHA256

    38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

    SHA512

    471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

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

    Filesize

    3.6MB

    MD5

    d3d39180e85700f72aaae25e40c125ff

    SHA1

    f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

    SHA256

    38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

    SHA512

    471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

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

    Filesize

    387KB

    MD5

    2c88d947a5794cf995d2f465f1cb9d10

    SHA1

    c0ff9ea43771d712fe1878dbb6b9d7a201759389

    SHA256

    2b92ea2a7d2be8d64c84ea71614d0007c12d6075756313d61ddc40e4c4dd910e

    SHA512

    e55679ff66ded375a422a35d0f92b3ac825674894ae210dbef3642e4fc232c73114077e84eae45c6e99a60ef4811f4a900b680c3bf69214959fa152a3dfbe542

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

    Filesize

    387KB

    MD5

    2c88d947a5794cf995d2f465f1cb9d10

    SHA1

    c0ff9ea43771d712fe1878dbb6b9d7a201759389

    SHA256

    2b92ea2a7d2be8d64c84ea71614d0007c12d6075756313d61ddc40e4c4dd910e

    SHA512

    e55679ff66ded375a422a35d0f92b3ac825674894ae210dbef3642e4fc232c73114077e84eae45c6e99a60ef4811f4a900b680c3bf69214959fa152a3dfbe542

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

    Filesize

    109KB

    MD5

    b2b27ccaded1db8ee341d5bd2c373044

    SHA1

    1d0f9ca17c0961eeabffc2ba54e16854a13c8a9d

    SHA256

    e4985a9739637aad4a409c95da33a1304dc17fd6ef9046159b27c0b137a57911

    SHA512

    0987b11aa110ea6b6f4fe4361e587aff010508251644bdfb681a578fa4726fb56af039d55e0b74682fd7031414f665a98656186b220264c122a47d23751dcee1

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

    Filesize

    109KB

    MD5

    b2b27ccaded1db8ee341d5bd2c373044

    SHA1

    1d0f9ca17c0961eeabffc2ba54e16854a13c8a9d

    SHA256

    e4985a9739637aad4a409c95da33a1304dc17fd6ef9046159b27c0b137a57911

    SHA512

    0987b11aa110ea6b6f4fe4361e587aff010508251644bdfb681a578fa4726fb56af039d55e0b74682fd7031414f665a98656186b220264c122a47d23751dcee1

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

    Filesize

    109KB

    MD5

    b2b27ccaded1db8ee341d5bd2c373044

    SHA1

    1d0f9ca17c0961eeabffc2ba54e16854a13c8a9d

    SHA256

    e4985a9739637aad4a409c95da33a1304dc17fd6ef9046159b27c0b137a57911

    SHA512

    0987b11aa110ea6b6f4fe4361e587aff010508251644bdfb681a578fa4726fb56af039d55e0b74682fd7031414f665a98656186b220264c122a47d23751dcee1

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

    Filesize

    780B

    MD5

    4040911cc377753963e4a3d43ec45b6a

    SHA1

    2ac9ffb512f0bd0c4f04d6cd66181d0c57a83ab8

    SHA256

    ed437b26b0e2ae70cd9b8161d2f111e5e0f81658646b6c548eecfca1997fe64e

    SHA512

    93ce25c025c9c2a6e0ce5758c690a30298619159ebb180379edc71272e41ff28f5be00539dac4f9d7f825b48dee9ceb7c1fef2e04c9094951fdfa585859eacaa

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

    Filesize

    755KB

    MD5

    0e37fbfa79d349d672456923ec5fbbe3

    SHA1

    4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

    SHA256

    8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

    SHA512

    2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

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

    Filesize

    32KB

    MD5

    34dfb87e4200d852d1fb45dc48f93cfc

    SHA1

    35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

    SHA256

    2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

    SHA512

    f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

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

    Filesize

    32KB

    MD5

    34dfb87e4200d852d1fb45dc48f93cfc

    SHA1

    35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

    SHA256

    2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

    SHA512

    f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

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

    Filesize

    18KB

    MD5

    104b30fef04433a2d2fd1d5f99f179fe

    SHA1

    ecb08e224a2f2772d1e53675bedc4b2c50485a41

    SHA256

    956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

    SHA512

    5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f