Analysis

  • max time kernel
    1199s
  • max time network
    1194s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24-04-2024 15:08

General

  • Target

    OwJViJVcVDtGwyBrPZixBrwr.ps1

  • Size

    5KB

  • MD5

    48ec3b15711ce5f49ee79e8cbf8c0f1f

  • SHA1

    9d263753c22d21681fbde1bda539beee56ded769

  • SHA256

    9a4e39fcb4033a9c849890085b67faea7265eaf56744e77aa8180b1834b7e14a

  • SHA512

    61f7696e8c0dcf59e354fcbbdaa0aa0845a2b2d02d3762a7410a83cb211db87d571dea95308db54aaf060189627dbe4785ee951a28a7ba152e973555424d808e

  • SSDEEP

    96:0NNYJo13C6KjlHHCiGqPaHPgfnRk+qPIKsO1ezfgmwqPoase1ejvysKEO1ezfgmX:8Oo1NKjNwqPaHPgfnR7qPIKsO1dbqPoX

Score
10/10

Malware Config

Signatures

  • NetSupport

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

  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\OwJViJVcVDtGwyBrPZixBrwr.ps1
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4800
      • C:\ProgramData\netsupport\client\client32.exe
        "C:\ProgramData\netsupport\client\client32.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1876
        • C:\ProgramData\netsupport\client\remcmdstub.exe
          remcmdstub.exe 2104 2264 2276 2280 %COMSPEC%
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3152
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4408
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic computersystem get domain
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:396
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:600
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:516
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4812
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2780
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:2544
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    PID:1576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\netsupport\client\HTCTL32.DLL

    Filesize

    320KB

    MD5

    2d3b207c8a48148296156e5725426c7f

    SHA1

    ad464eb7cf5c19c8a443ab5b590440b32dbc618f

    SHA256

    edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

    SHA512

    55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

  • C:\ProgramData\netsupport\client\NSM.LIC

    Filesize

    259B

    MD5

    1dc87146379e5e3f85fd23b25889ae2a

    SHA1

    b750c56c757ad430c9421803649acf9acd15a860

    SHA256

    f7d80e323e7d0ed1e3ddd9b5df08af23dcecb47a3e289314134d4b76b3adcaf2

    SHA512

    7861abe50eefdf4452e4baacc4b788895610196b387b70ddeab7bc70735391ed0a015f47eada94a368b82f8e5cedb5a2096e624f4a881ff067937ad159e3562c

  • C:\ProgramData\netsupport\client\PCICL32.dll

    Filesize

    3.5MB

    MD5

    ad51946b1659ed61b76ff4e599e36683

    SHA1

    dfe2439424886e8acf9fa3ffde6caaf7bfdd583e

    SHA256

    07a191254362664b3993479a277199f7ea5ee723b6c25803914eedb50250acf4

    SHA512

    6c30e7793f69508f6d9aa6edcec6930ba361628ef597e32c218e15d80586f5a86d89fcbee63a35eab7b1e0ae26277512f4c1a03df7912f9b7ff9a9a858cf3962

  • C:\ProgramData\netsupport\client\client32.exe

    Filesize

    54KB

    MD5

    9497aece91e1ccc495ca26ae284600b9

    SHA1

    a005d8ce0c1ea8901c1b4ea86c40f4925bd2c6da

    SHA256

    1b63f83f06dbd9125a6983a36e0dbd64026bb4f535e97c5df67c1563d91eff89

    SHA512

    4c892e5029a707bcf73b85ac110d8078cb273632b68637e9b296a7474ab0202320ff24cf6206de04af08abf087654b0d80cbecfae824c06616c47ce93f0929c9

  • C:\ProgramData\netsupport\client\client32.ini

    Filesize

    631B

    MD5

    adffa0c2fedb1506087178c51efbd377

    SHA1

    a3218fa2fbefaa5447b970481a575fcdea0bd2f7

    SHA256

    6b115c0c710bb0dfb234d297b0e8a862d8aff972ce9915b3fdfbc4d12a698d6f

    SHA512

    2284360ed332d66856c8a78698d1a4ad4d9919f3d1e08e5c6a648391c529ebef66b1af081ec88efbe9bcd68375b2243d76bf5532cda5f831642fef4b1ca57f07

  • C:\ProgramData\netsupport\client\pcicapi.dll

    Filesize

    32KB

    MD5

    dcde2248d19c778a41aa165866dd52d0

    SHA1

    7ec84be84fe23f0b0093b647538737e1f19ebb03

    SHA256

    9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

    SHA512

    c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

  • C:\ProgramData\netsupport\client\remcmdstub.exe

    Filesize

    61KB

    MD5

    35da3b727567fab0c7c8426f1261c7f5

    SHA1

    b71557d67bcd427ef928efce7b6a6529226415e6

    SHA256

    89027f1449be9ba1e56dd82d13a947cb3ca319adfe9782f4874fbdc26dc59d09

    SHA512

    14edadceeceb95f5c21fd3a0a349dd2a312d1965268610d6a6067049f34e3577fc96f6ba37b1d6ab8ce21444208c462fa97fab24bbcd77059bc819e12c5efc5a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157

    Filesize

    4KB

    MD5

    1bfe591a4fe3d91b03cdf26eaacd8f89

    SHA1

    719c37c320f518ac168c86723724891950911cea

    SHA256

    9cf94355051bf0f4a45724ca20d1cc02f76371b963ab7d1e38bd8997737b13d8

    SHA512

    02f88da4b610678c31664609bcfa9d61db8d0b0617649981af948f670f41a6207b4ec19fecce7385a24e0c609cbbf3f2b79a8acaf09a03c2c432cc4dce75e9db

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7GTPFJEK\edgecompatviewlist[1].xml

    Filesize

    74KB

    MD5

    d4fc49dc14f63895d997fa4940f24378

    SHA1

    3efb1437a7c5e46034147cbbc8db017c69d02c31

    SHA256

    853d2f4eb81c9fdcea2ee079f6faf98214b111b77cdf68709b38989d123890f1

    SHA512

    cc60d79b4afe5007634ac21dc4bc92081880be4c0d798a1735b63b27e936c02f399964f744dc73711987f01e8a1064b02a4867dd6cac27538e5fbe275cc61e0a

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\KQNK02VN\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_om2str15.dgb.ps1

    Filesize

    1B

    MD5

    c4ca4238a0b923820dcc509a6f75849b

    SHA1

    356a192b7913b04c54574d18c28d46e6395428ab

    SHA256

    6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

    SHA512

    4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

  • \ProgramData\netsupport\client\PCICHEK.DLL

    Filesize

    18KB

    MD5

    a0b9388c5f18e27266a31f8c5765b263

    SHA1

    906f7e94f841d464d4da144f7c858fa2160e36db

    SHA256

    313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

    SHA512

    6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

  • \ProgramData\netsupport\client\msvcr100.dll

    Filesize

    755KB

    MD5

    0e37fbfa79d349d672456923ec5fbbe3

    SHA1

    4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

    SHA256

    8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

    SHA512

    2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

  • memory/600-487-0x000001A4B39D0000-0x000001A4B39D1000-memory.dmp

    Filesize

    4KB

  • memory/600-119-0x000001A4AC3E0000-0x000001A4AC3E2000-memory.dmp

    Filesize

    8KB

  • memory/600-100-0x000001A4AD500000-0x000001A4AD510000-memory.dmp

    Filesize

    64KB

  • memory/600-486-0x000001A4B39C0000-0x000001A4B39C1000-memory.dmp

    Filesize

    4KB

  • memory/2480-375-0x000002940FC60000-0x000002940FC70000-memory.dmp

    Filesize

    64KB

  • memory/2480-27-0x0000029428C80000-0x0000029428E88000-memory.dmp

    Filesize

    2.0MB

  • memory/2480-5-0x000002940FC60000-0x000002940FC70000-memory.dmp

    Filesize

    64KB

  • memory/2480-372-0x00007FFA016F0000-0x00007FFA020DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2480-374-0x000002940FC60000-0x000002940FC70000-memory.dmp

    Filesize

    64KB

  • memory/2480-4-0x00007FFA016F0000-0x00007FFA020DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2480-376-0x000002940FC60000-0x000002940FC70000-memory.dmp

    Filesize

    64KB

  • memory/2480-6-0x000002940FC60000-0x000002940FC70000-memory.dmp

    Filesize

    64KB

  • memory/2480-7-0x000002940FC30000-0x000002940FC52000-memory.dmp

    Filesize

    136KB

  • memory/2480-10-0x0000029428290000-0x0000029428306000-memory.dmp

    Filesize

    472KB

  • memory/2480-25-0x000002940FC60000-0x000002940FC70000-memory.dmp

    Filesize

    64KB

  • memory/2480-26-0x00000294288F0000-0x0000029428A66000-memory.dmp

    Filesize

    1.5MB

  • memory/2480-467-0x00007FFA016F0000-0x00007FFA020DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2544-177-0x0000019C2D4D0000-0x0000019C2D4D2000-memory.dmp

    Filesize

    8KB

  • memory/2544-175-0x0000019C2D410000-0x0000019C2D412000-memory.dmp

    Filesize

    8KB

  • memory/2544-172-0x0000019C1CCA0000-0x0000019C1CCA2000-memory.dmp

    Filesize

    8KB

  • memory/2544-179-0x0000019C2D4F0000-0x0000019C2D4F2000-memory.dmp

    Filesize

    8KB

  • memory/4800-45-0x0000020DB3E90000-0x0000020DB3EA0000-memory.dmp

    Filesize

    64KB

  • memory/4800-44-0x00007FFA016F0000-0x00007FFA020DC000-memory.dmp

    Filesize

    9.9MB

  • memory/4800-354-0x0000020DCCCC0000-0x0000020DCCCE2000-memory.dmp

    Filesize

    136KB

  • memory/4800-455-0x00007FFA016F0000-0x00007FFA020DC000-memory.dmp

    Filesize

    9.9MB

  • memory/4800-335-0x0000020DCCCC0000-0x0000020DCCCEA000-memory.dmp

    Filesize

    168KB

  • memory/4800-408-0x0000020DCCC90000-0x0000020DCCC9A000-memory.dmp

    Filesize

    40KB

  • memory/4800-395-0x0000020DCCCB0000-0x0000020DCCCC2000-memory.dmp

    Filesize

    72KB

  • memory/4800-378-0x0000020DB3E90000-0x0000020DB3EA0000-memory.dmp

    Filesize

    64KB

  • memory/4800-377-0x00007FFA016F0000-0x00007FFA020DC000-memory.dmp

    Filesize

    9.9MB

  • memory/4800-363-0x0000020DB3E90000-0x0000020DB3EA0000-memory.dmp

    Filesize

    64KB