Analysis

  • max time kernel
    135s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-10-2024 15:35

General

  • Target

    o.ps1

  • Size

    1KB

  • MD5

    1cd885f4c6f1c7c1dc41fa8947ecba9c

  • SHA1

    69888380e344b7e288fc10717f5bc7c7c4fdf805

  • SHA256

    eca9ad453dc403d8557c7f31e19504790527ef09b33d0678af947201522b56e4

  • SHA512

    4131654bb4517424e807d8d00cb6fcdc9f96613067dd8a513ae68a8c6258d978ba36c4940204e3f5bedbda246e44c25caf0fdd9881e897b6b8a3e01cedcba894

Malware Config

Signatures

  • NetSupport

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

  • Netsupport family
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\o.ps1
    1⤵
    • Blocklisted process makes network request
    • Adds Run key to start application
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Windows\system32\ipconfig.exe
      "C:\Windows\system32\ipconfig.exe" /flushdns
      2⤵
      • Gathers network information
      PID:1796
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c attrib +h C:\Users\Admin\AppData\Roaming\eCIzuF
      2⤵
      • Hide Artifacts: Hidden Files and Directories
      • Suspicious use of WriteProcessMemory
      PID:1184
      • C:\Windows\system32\attrib.exe
        attrib +h C:\Users\Admin\AppData\Roaming\eCIzuF
        3⤵
        • Views/modifies file attributes
        PID:1196
    • C:\Users\Admin\AppData\Roaming\eCIzuF\client32.exe
      "C:\Users\Admin\AppData\Roaming\eCIzuF\client32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_enoeovqc.sdu.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    320KB

    MD5

    2d3b207c8a48148296156e5725426c7f

    SHA1

    ad464eb7cf5c19c8a443ab5b590440b32dbc618f

    SHA256

    edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

    SHA512

    55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

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

    Filesize

    257B

    MD5

    7067af414215ee4c50bfcd3ea43c84f0

    SHA1

    c331d410672477844a4ca87f43a14e643c863af9

    SHA256

    2050cc232710a2ea6a207bc78d1eac66a4042f2ee701cdfeee5de3ddcdc31d12

    SHA512

    17b888087192bcea9f56128d0950423b1807e294d1c4f953d1bf0f5bd08e5f8e35afeee584ebf9233bfc44e0723db3661911415798159ac118c8a42aaf0b902f

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

    Filesize

    18KB

    MD5

    a0b9388c5f18e27266a31f8c5765b263

    SHA1

    906f7e94f841d464d4da144f7c858fa2160e36db

    SHA256

    313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

    SHA512

    6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

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

    Filesize

    3.6MB

    MD5

    00587238d16012152c2e951a087f2cc9

    SHA1

    c4e27a43075ce993ff6bb033360af386b2fc58ff

    SHA256

    63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8

    SHA512

    637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226

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

    Filesize

    117KB

    MD5

    ee75b57b9300aab96530503bfae8a2f2

    SHA1

    98dd757e1c1fa8b5605bda892aa0b82ebefa1f07

    SHA256

    06a0a243811e9c4738a9d413597659ca8d07b00f640b74adc9cb351c179b3268

    SHA512

    660259bb0fd317c7fb76505da8cbc477e146615fec10e02779cd4f527aeb00caed833af72f90b128bb62f10326209125e809712d9acb41017e503126e5f85673

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

    Filesize

    647B

    MD5

    8c978a6d8f380d59c9db4afe06218b89

    SHA1

    1fa286e91c8aa0eeb99276af72d40e02d2148c51

    SHA256

    d8c2b28ff9f90626f7e669b4fbdb45ed553a3cb1a980e23fdfea4fbbdddfc502

    SHA512

    b74539ae7fc88756c1e1404814d33197cd8709aaddf2c43167f2cf157e947c2cabad759414038dbe5e83b201786052e94ab53bd97bb4de68744f514f8ae7f552

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

    Filesize

    755KB

    MD5

    0e37fbfa79d349d672456923ec5fbbe3

    SHA1

    4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

    SHA256

    8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

    SHA512

    2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

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

    Filesize

    32KB

    MD5

    dcde2248d19c778a41aa165866dd52d0

    SHA1

    7ec84be84fe23f0b0093b647538737e1f19ebb03

    SHA256

    9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

    SHA512

    c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

  • memory/1360-12-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

    Filesize

    10.8MB

  • memory/1360-24-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

    Filesize

    10.8MB

  • memory/1360-23-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

    Filesize

    10.8MB

  • memory/1360-22-0x00007FFC2E373000-0x00007FFC2E375000-memory.dmp

    Filesize

    8KB

  • memory/1360-13-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

    Filesize

    10.8MB

  • memory/1360-0-0x00007FFC2E373000-0x00007FFC2E375000-memory.dmp

    Filesize

    8KB

  • memory/1360-11-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

    Filesize

    10.8MB

  • memory/1360-52-0x00007FFC2E370000-0x00007FFC2EE31000-memory.dmp

    Filesize

    10.8MB

  • memory/1360-1-0x0000028CEA8D0000-0x0000028CEA8F2000-memory.dmp

    Filesize

    136KB