Analysis

  • max time kernel
    94s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/11/2024, 01:13

General

  • Target

    a1720d68eef7dc381a533fd8584a227db3dbcaed16098a0d7f31077f95355e8c.exe

  • Size

    20.4MB

  • MD5

    3c387c0db035c0c3185d6fbd1ab46bd1

  • SHA1

    7b6e6212a6d13800282bd2cb362c2a311d89e543

  • SHA256

    a1720d68eef7dc381a533fd8584a227db3dbcaed16098a0d7f31077f95355e8c

  • SHA512

    a6e431c98cafaf3762d5d1d60ab337d4a002c0dd90ae830d6b513c97e333adc3bdf8ce70ad65d6149878fb48d94b762902038d44909b662603c6082997071e76

  • SSDEEP

    393216:xrjU2t/X9E3JMUNccjPql0NbgVunl22V5v+8gDRmffwuvO:tjU2p9EZvNdjP6Kbaunldv+8ORmXwu2

Malware Config

Signatures

  • NetSupport

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

  • Netsupport family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1720d68eef7dc381a533fd8584a227db3dbcaed16098a0d7f31077f95355e8c.exe
    "C:\Users\Admin\AppData\Local\Temp\a1720d68eef7dc381a533fd8584a227db3dbcaed16098a0d7f31077f95355e8c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3104
    • C:\Users\Admin\AppData\Local\Temp\is-7J0FQ.tmp\a1720d68eef7dc381a533fd8584a227db3dbcaed16098a0d7f31077f95355e8c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7J0FQ.tmp\a1720d68eef7dc381a533fd8584a227db3dbcaed16098a0d7f31077f95355e8c.tmp" /SL5="$601CC,18032967,815616,C:\Users\Admin\AppData\Local\Temp\a1720d68eef7dc381a533fd8584a227db3dbcaed16098a0d7f31077f95355e8c.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:328
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\is-96IBV.tmp\ExtractedContent.ps1"
        3⤵
        • Adds Run key to start application
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1680
        • C:\Users\Admin\AppData\Roaming\SystemUtil\client32.exe
          "C:\Users\Admin\AppData\Roaming\SystemUtil\client32.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          PID:4280

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\Advanced IP Scanner\details_panel_id_id.tpl

          Filesize

          1KB

          MD5

          88b009ccacf0eb1b4a141470d3f160c4

          SHA1

          ee0d1a44562ccdedbcde92d232fa541f53826b4b

          SHA256

          d2254ed99166a12ce00f93379142acfcbf9a49af3fb8789e8215b0c1cccb4587

          SHA512

          d07c7b90a12e7e48a90bf450a57e4479ae5bb130efe9950a316d9a7ab9063d94af0f35942925aca41a7c2c149a0f31a075c38dd0b34821f88bd81588660d0be1

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j3fqz3yi.v1m.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\is-7J0FQ.tmp\a1720d68eef7dc381a533fd8584a227db3dbcaed16098a0d7f31077f95355e8c.tmp

          Filesize

          3.2MB

          MD5

          77264dbcb409de0c426bd5088b0fbe09

          SHA1

          11c02946ea15eea615ede3ed5597ed223d3879cf

          SHA256

          85c71bb847f0b29db1d790c631d586167942ffceae96605f5673438fe3c8dd1a

          SHA512

          5604a2fee723cea3238aca10dd44e1b1a4d5316a1e2c860619e34b9076fee501e9a9fc22c7e3e3dad1fdc7690f1992a57778b74b40fe6f3307085549ccfc6a83

        • C:\Users\Admin\AppData\Local\Temp\is-96IBV.tmp\ExtractedContent.ps1

          Filesize

          2.9MB

          MD5

          e7db56615c92704e45d5832f1eb94c65

          SHA1

          4d36d413e1b76d76a2e0420c70a093bbe460a209

          SHA256

          7e80dde6044a5ae063e01d834953dea9ebf6f83f8ae43b2f407eafc17d6b33c6

          SHA512

          41d807e82d3987fd73107c4cb9a15b5b6992e2fc8f2064d5ed39b88820769ee9236b1d053b419723f89dfa4a0b6ea4d1b6f37aa2334d1542201ff7fb0a6e05a4

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

          Filesize

          320KB

          MD5

          2d3b207c8a48148296156e5725426c7f

          SHA1

          ad464eb7cf5c19c8a443ab5b590440b32dbc618f

          SHA256

          edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

          SHA512

          55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

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

          Filesize

          259B

          MD5

          866c96ba2823ac5fe70130dfaaa08531

          SHA1

          892a656da1ea264c73082da8c6e5f5728abcb861

          SHA256

          6a7c99e4bd767433c25d6df8df81baa99c05dd24fa064e45c306ff4d954e1921

          SHA512

          0dafc66222bbfcb1558d9845ee4ddeb7a687561b08b86a07b66b120c22952a8082e041d9234d9c69c8ade5d4dae894d3f10afd7ba6dd3f057a08fb5d57c42112

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

          Filesize

          18KB

          MD5

          a0b9388c5f18e27266a31f8c5765b263

          SHA1

          906f7e94f841d464d4da144f7c858fa2160e36db

          SHA256

          313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

          SHA512

          6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

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

          Filesize

          3.5MB

          MD5

          214a714ef11c2c91162a9344bf8f2e50

          SHA1

          b87886b6b1e48e5e54e3033be9a73b67b5a5c282

          SHA256

          74dfcd891813058b29b0a70ec0a95f31cd5356f175ad3a492daecbc52542e76f

          SHA512

          a785d390c7e066628c9894302ca10ac21ba79d9988523d5abcb960870a39112d01984a86cde0bcd3862d46d82696e35ba760d96a389c96553ecb1db9c3a0d97d

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

          Filesize

          118KB

          MD5

          4f2d0f4a5ba798fa9e85379c7c4bd36e

          SHA1

          e533f2318d232ef3e1b22bdd1d6b61c081c6d6eb

          SHA256

          aaa12a1ad8c748fbfd4c8f2e5023ec3481b18cb088b28737fc7e665163cff41d

          SHA512

          4c338e4f87f5ac9e9339e663739b021f06d8ee48f7a5981ccdf85029888964e3c416331c7ec791933a6b3d56ec44bb3719a38039f625a25b86ba0264e3d2d609

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

          Filesize

          638B

          MD5

          74bef725496cd35eeb6f6b94e1edddfd

          SHA1

          616ab761a1429e982062009b5c319f796a60ba1b

          SHA256

          8e016ca1a0837ca5f7d87656fe4153ed8639d33adbee9b07a3d033db44eec2a7

          SHA512

          c7dcff6ff56de463b5ab4ce89a9c6bfe5a021cabf959da1aef6d0df19fa22376bd1d30749ad7a95315078f8007af496de3754a26a8c6c15294f31982e4f945b1

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

          Filesize

          755KB

          MD5

          0e37fbfa79d349d672456923ec5fbbe3

          SHA1

          4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

          SHA256

          8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

          SHA512

          2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

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

          Filesize

          32KB

          MD5

          dcde2248d19c778a41aa165866dd52d0

          SHA1

          7ec84be84fe23f0b0093b647538737e1f19ebb03

          SHA256

          9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

          SHA512

          c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

        • memory/328-402-0x00000000009A0000-0x0000000000CD4000-memory.dmp

          Filesize

          3.2MB

        • memory/328-14-0x00000000009A0000-0x0000000000CD4000-memory.dmp

          Filesize

          3.2MB

        • memory/328-12-0x00000000009A0000-0x0000000000CD4000-memory.dmp

          Filesize

          3.2MB

        • memory/328-9-0x00000000009A0000-0x0000000000CD4000-memory.dmp

          Filesize

          3.2MB

        • memory/328-10-0x0000000001920000-0x0000000001921000-memory.dmp

          Filesize

          4KB

        • memory/328-6-0x0000000001920000-0x0000000001921000-memory.dmp

          Filesize

          4KB

        • memory/328-404-0x00000000009A0000-0x0000000000CD4000-memory.dmp

          Filesize

          3.2MB

        • memory/1680-323-0x0000000008490000-0x0000000008A34000-memory.dmp

          Filesize

          5.6MB

        • memory/1680-343-0x0000000006EE0000-0x0000000006EF1000-memory.dmp

          Filesize

          68KB

        • memory/1680-318-0x00000000059A0000-0x00000000059EC000-memory.dmp

          Filesize

          304KB

        • memory/1680-307-0x0000000005B80000-0x0000000005ED4000-memory.dmp

          Filesize

          3.3MB

        • memory/1680-320-0x0000000006CF0000-0x0000000006D86000-memory.dmp

          Filesize

          600KB

        • memory/1680-321-0x0000000006220000-0x000000000623A000-memory.dmp

          Filesize

          104KB

        • memory/1680-322-0x0000000006270000-0x0000000006292000-memory.dmp

          Filesize

          136KB

        • memory/1680-400-0x0000000072EA0000-0x0000000073650000-memory.dmp

          Filesize

          7.7MB

        • memory/1680-326-0x000000006F730000-0x000000006F77C000-memory.dmp

          Filesize

          304KB

        • memory/1680-325-0x00000000080E0000-0x0000000008112000-memory.dmp

          Filesize

          200KB

        • memory/1680-328-0x0000000072EA0000-0x0000000073650000-memory.dmp

          Filesize

          7.7MB

        • memory/1680-327-0x000000006FAD0000-0x000000006FE24000-memory.dmp

          Filesize

          3.3MB

        • memory/1680-338-0x0000000006EB0000-0x0000000006ECE000-memory.dmp

          Filesize

          120KB

        • memory/1680-339-0x0000000008130000-0x00000000081D3000-memory.dmp

          Filesize

          652KB

        • memory/1680-340-0x0000000072EA0000-0x0000000073650000-memory.dmp

          Filesize

          7.7MB

        • memory/1680-341-0x00000000090C0000-0x000000000973A000-memory.dmp

          Filesize

          6.5MB

        • memory/1680-342-0x00000000082D0000-0x00000000082DA000-memory.dmp

          Filesize

          40KB

        • memory/1680-317-0x00000000058F0000-0x000000000590E000-memory.dmp

          Filesize

          120KB

        • memory/1680-344-0x0000000072EA0000-0x0000000073650000-memory.dmp

          Filesize

          7.7MB

        • memory/1680-345-0x0000000006F60000-0x0000000006F72000-memory.dmp

          Filesize

          72KB

        • memory/1680-346-0x0000000006F50000-0x0000000006F5A000-memory.dmp

          Filesize

          40KB

        • memory/1680-305-0x0000000004E00000-0x0000000004E66000-memory.dmp

          Filesize

          408KB

        • memory/1680-306-0x0000000005B10000-0x0000000005B76000-memory.dmp

          Filesize

          408KB

        • memory/1680-304-0x0000000004D60000-0x0000000004D82000-memory.dmp

          Filesize

          136KB

        • memory/1680-303-0x0000000072EA0000-0x0000000073650000-memory.dmp

          Filesize

          7.7MB

        • memory/1680-302-0x0000000004EB0000-0x00000000054D8000-memory.dmp

          Filesize

          6.2MB

        • memory/1680-301-0x0000000072EA0000-0x0000000073650000-memory.dmp

          Filesize

          7.7MB

        • memory/1680-300-0x0000000004790000-0x00000000047C6000-memory.dmp

          Filesize

          216KB

        • memory/1680-299-0x0000000072EAE000-0x0000000072EAF000-memory.dmp

          Filesize

          4KB

        • memory/3104-0-0x00000000005B0000-0x0000000000685000-memory.dmp

          Filesize

          852KB

        • memory/3104-8-0x00000000005B0000-0x0000000000685000-memory.dmp

          Filesize

          852KB

        • memory/3104-2-0x00000000005B1000-0x0000000000659000-memory.dmp

          Filesize

          672KB

        • memory/3104-405-0x00000000005B0000-0x0000000000685000-memory.dmp

          Filesize

          852KB