Overview

overview

10

Static

static

3

ToDesk_x64....8.exe

windows7-x64

10

ToDesk_x64....8.exe

windows10-2004-x64

10

Resubmissions

24-09-2024 08:26

240924-kcchja1cla 10

19-09-2024 16:17

240919-trjptsybql 10

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 16:17

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General

  • Target

    ToDesk_x64_4.7.4.8.exe

  • Size

    56.3MB

  • MD5

    e43eaf8183e538eb28e5dfd31ba074bc

  • SHA1

    4d90bca79dbb3994fc1cf99921b1942520bee490

  • SHA256

    3771d6a0594a42845193f182b177151b295e458f17749e74ae5a5320210a2fe8

  • SHA512

    d43c32749ff1db235f063cc071c33af41dde25fd1c92d1fb670ad8ee0c5b7ab24f172138d7a18b0f61d9e4e959d4b765965ca3e38f0aa9cbb4e51125d6de70a5

  • SSDEEP

    1572864:A4959RiO7XJ5d5crS8/JruPXzKgz5zejq4/OiV0xNnw:lT7XJ5gTJrOzKs5y//OiVwZw

Score
10/10
plugxdiscoverytrojan

Malware Config

Signatures

  • Detects PlugX payload 16 IoCs
  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    trojanplugx
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 17 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 32 IoCs
  • Drops file in Windows directory 16 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 25 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\ToDesk_x64_4.7.4.8.exe
    "C:\Users\Admin\AppData\Local\Temp\ToDesk_x64_4.7.4.8.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4488
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\Hainan YouQu Technology Co., Ltd\ToDesk 4.8.4.8\install\ToDesk.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\ToDesk_x64_4.7.4.8.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup "
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      PID:4648
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 53F9EECE1D46B2E33DF0EB8A07E6897A C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1908
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 54B738E736509545F39AA4B82B4C2D6C C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:896
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3812
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2FCE0F33C1650901D93C1B0F06622EBD
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4912
      • C:\Program Files\ToDesk\Tools\wmicode.exe
        "C:\Program Files\ToDesk\Tools\wmicode.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4604
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\SysWOW64\svchost.exe 100 4604
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:4452
      • C:\Program Files\ToDesk\ToDesk.exe
        "C:\Program Files\ToDesk\ToDesk.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:1332
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4376
    • C:\ProgramData\NVIDIASmart\SxS.exe
      "C:\ProgramData\NVIDIASmart\SxS.exe" 200 0
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe 201 0
        2⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of WriteProcessMemory
        PID:1132
        • C:\Windows\SysWOW64\msiexec.exe
          C:\Windows\system32\msiexec.exe 209 1132
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          PID:1756
    • C:\Program Files\ToDesk\ToDesk.exe
      "C:\Program Files\ToDesk\ToDesk.exe" --runservice
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3396
      • C:\Program Files\ToDesk\ToDesk.exe
        "C:\Program Files\ToDesk\ToDesk.exe" --hide --localPort=35600
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:2520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e58246c.rbs
      Filesize

      12KB

      MD5

      a611dcaa9c9478941eeb82b3ddaef5cb

      SHA1

      d1e79d846920369b56b72b4c44f23585d2010512

      SHA256

      1357d549c2fe6602afe62f9f987073741a2832a75ec4e17b42ac235e97ba94c6

      SHA512

      a4c67ac745686cfdab59350f45e8747d301459055634cada972824451e81851948b51281e6f72badb81db08847e79c723bac20318f4beab15245172f6dd8a7c7

      Download Submit

    • C:\Program Files\ToDesk\ToDesk.exe
      Filesize

      48.4MB

      MD5

      85b8e15b90d8bf333f0d49c11db9b1b0

      SHA1

      70ab7088257b0121a8e39dcab2a3846923f62ac0

      SHA256

      a9e56ee892beb3e0be3f2d412a2b4448c5a41b28fe2a15a40798faa119d4025c

      SHA512

      844b924351752992758d881f328176f4329f8f9182ced686e51fa1fe3413b8ea3f507eac031b997b07b8886cb978655443bd6da1c018181f25ca73d4e035f64b

      Download Submit

    • C:\Program Files\ToDesk\Tools\wmicode.exe
      Filesize

      122KB

      MD5

      d771741bb33ab0f2f364fd10e486df33

      SHA1

      fbb4d03ab6582627d341f76956fe995c182c98b1

      SHA256

      d5d9fefd7a79ba0c121ba76d0cd51f9520effc490424978bd341f130ec835455

      SHA512

      41f089d7ca755a385f68a65105e2aee0c9a34df03911746d59266db42bf3bf74372b168cebc40b034975ffe86dea93929e3a42155076bd8dcfbbefca78ba075e

      Download Submit

    • C:\Program Files\ToDesk\Tools\wmicodegen.dll
      Filesize

      9KB

      MD5

      cf23d084f48349158cb8f837a02369bd

      SHA1

      bf2d8cee1ecbf85c29ab1ef4f157eebfb91f79e4

      SHA256

      c9f2fd4ffc334d6e952b04b2d799714d034d6696dcff18c39f7e597ab9279451

      SHA512

      48624f2e085dee127dc3499465ac1500d1daa8759e705af24a6f8dcfc417929a47ef973a62b79065312a2e5cda35819ef81c3fd98e62ea48c4db993943da545e

      Download Submit

    • C:\Program Files\ToDesk\Tools\wmidll.dat
      Filesize

      130KB

      MD5

      b1231c5483c4e1ac2e4832047364355d

      SHA1

      37b697dbee932d6cfc813ef91a8014c129df44e7

      SHA256

      19795c19808560ea7f8595c77bf00f6db848479469ee9255bd80ee564e34867b

      SHA512

      edee0b31b1b391baeba69bfec883de659a7aec9cf33c46d88dbbb389b9ebbf07ee4d4fcc8acd13ca611c8c16bdbd3b015834577f0b8f6dc55ab7315b6051df62

      Download Submit

    • C:\Program Files\ToDesk\config.ini
      Filesize

      98B

      MD5

      c4b4aa073b5f34e3567df0cafd961c71

      SHA1

      d5ac79f22bb2cba9376cb6fe6d6b6f2ec82b3daa

      SHA256

      203d061be42c2f69be98ed463fbab09bffde98d6801aab65b64686d056529958

      SHA512

      8c9cae6c5efd6f3bd30acbbc39c3bf36344d4c9ba63d07e12e8d7ecce6fc6e58b128d1d2248df4ef831131bf1fb7036afb3cddfe69be74e2df516e51b1702c41

      Download Submit

    • C:\Program Files\ToDesk\config.ini
      Filesize

      394B

      MD5

      2b635fe317895faa6f684a7b0b3c02ca

      SHA1

      16cf4d17a6309581dbb51c835819f0616e87414f

      SHA256

      4790b60ab2b555432fdf226c5fd1c5ca8ee8d0762937cefac446b66423c96305

      SHA512

      f7885febc0bb38c89200594727740cbd9f768146f664b336de89cb487c185a5036eeb6fe134bca6ffbc0a685123ff4ab3eb3036e1c80c998d88138d554d5e7fe

      Download Submit

    • C:\Program Files\ToDesk\config.ini
      Filesize

      529B

      MD5

      43044e81d88a4a1efd68bdb1786f291a

      SHA1

      6a09744be4737faa1801837cf10179774b3035cc

      SHA256

      1cc7a4b24bf29d6a59dd9fe6f67c04289b457f85fcd2eb257ec56a976c00fe2b

      SHA512

      6dcb1ed6d4ddc0091cd2c0dfee19f26201ab8e71946c327ae9d3e3d6dd1d884d34a60f0486cca4bda0c8729e9d1b6be5d01bb154f0b1954b4873cb77f8701863

      Download Submit

    • C:\Program Files\ToDesk\zrtc.dll
      Filesize

      49.3MB

      MD5

      fab94e3b080e8d2dfc21b37278f73eb8

      SHA1

      73c55c05f53b9ead97a4a6acd497860efc119ca8

      SHA256

      d3f9c273b420be3ce59a8526d11827009215f559b39291844e3f98d8306c9a69

      SHA512

      41eb4ddb54e2e8d3e21921c06a83aa0e59cd371eaeda0708cea27a1f42e05df6e5b4aa7f8cef4d6c3185ac71e48a405f2e44c972341a9961ab8e06f91ccc0f3a

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\MSIA672.tmp
      Filesize

      349KB

      MD5

      8752c01d76bc7b3a38b6acaf5b9c387b

      SHA1

      8c7b2b5ffdf3c46d2e9a5803f3b8ac20533e7778

      SHA256

      344abeb71ddccfdb70786849cca660982fd2ab099dcd74fd0d608a05139c8db1

      SHA512

      5a88de5be489088d8108dc45903e5d8368b53109c45646ab14ffe8fff41d5e3f5d19dc13ee1394dedb494e36f76824424602c8c65c6227741c952c2ffb7f4a0f

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Hainan YouQu Technology Co., Ltd\ToDesk 4.8.4.8\install\ToDesk.msi
      Filesize

      1.5MB

      MD5

      fd114784173437f9c5f462c62751fc63

      SHA1

      a34e669da0342deb4c8fcbb27fb07bf604ee2a26

      SHA256

      e7e55be0c02d71e4188782471402557e7bbbaab85cdd95dfd08aa5b16a49f6a2

      SHA512

      086e63466761b326ff1749bffd11a1361c0171a62018e525ae35e7838b15db34b8df32e5abbe5e10f05926eb4ff221531d685c23a84aa4a56d565c178df8b845

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-us\default.dic
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      Download Submit

    • C:\Windows\Installer\MSI26DF.tmp
      Filesize

      566KB

      MD5

      0e4db22ddc7c96801b65bc13e3a53455

      SHA1

      775da57600792fb18cd0e9626afc53bb2ba07abf

      SHA256

      675f7d999bf17ceedcd799bdf1b2fb02cc560cdc18c0609aa92eca0cd3a98961

      SHA512

      88ddb37880af878eddf7b82c919285dcec6360cea81c3755efeec7d0fb92c4e7ffe96ec654046ec9a4c6f1087d4e95b440b745621921041676bdc170663f3772

      Download Submit

    • C:\Windows\Installer\MSI271F.tmp
      Filesize

      287KB

      MD5

      31a4f044c23a648c306df463302c49b5

      SHA1

      e014c21b4b0f3b054ee3f7b6bbba6b38974ab5da

      SHA256

      e12b2df53c66e4b3c5073682434fee7b1e070794f79e090ccc8fb803487f3a94

      SHA512

      e9d5606325a3e3fb371738bef66566f0491d080a5d6208482543f8729cd194d9dc11e3bc3989c3c19f359d3f34da977022b8a6457b6479ce5c51e3bf091a22fc

      Download Submit

    • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
      Filesize

      23.7MB

      MD5

      bcaaf9b8b51f9c8c6c3fdc541848852c

      SHA1

      2b95a9bb99a2d8611b29c9d7b789ab08ee619be9

      SHA256

      3074dcc25791fd55daa5e0167fbf7ef30ee26fbd17d8c97a41f977257809bcc5

      SHA512

      fe8fd0451bc84aae82aeaaff5fe9ec9138e3877a04f7e7884aa4c142813983c021dd2292ee3498ac91fda1ee790b2fee9dc86302f9c62961e3a7f255819e92d8

      Download Submit

    • \??\Volume{f171a6e7-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{5e832a3c-2ac4-4c7d-ad77-3675de70431b}_OnDiskSnapshotProp
      Filesize

      6KB

      MD5

      169f9e99828f548e1e08afea3a1bf7da

      SHA1

      fe3e4ac45ca6a43fabcbb3509716e028cf8b54b4

      SHA256

      12441056abb7a24b940285ecd7d5b6ad120f4851be6a1bf31c919d6fc9a84631

      SHA512

      f175297d37ec791f07fc6d878bbea5c3de1a0feee34cad209e12461ce0b93ab528c401ec8a32030e0427c711f75543beba15da25a7eb4c91587235c24c5d886d

      Download Submit

    • memory/1132-161-0x00000000018A0000-0x00000000018DA000-memory.dmp

      Filesize

      232KB

      Download

    • memory/1132-145-0x00000000018A0000-0x00000000018DA000-memory.dmp

      Filesize

      232KB

      Download

    • memory/1132-159-0x00000000018A0000-0x00000000018DA000-memory.dmp

      Filesize

      232KB

      Download

    • memory/1132-156-0x0000000001880000-0x0000000001881000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1132-146-0x00000000018A0000-0x00000000018DA000-memory.dmp

      Filesize

      232KB

      Download

    • memory/1132-158-0x00000000018A0000-0x00000000018DA000-memory.dmp

      Filesize

      232KB

      Download

    • memory/1132-157-0x00000000018A0000-0x00000000018DA000-memory.dmp

      Filesize

      232KB

      Download

    • memory/1756-180-0x0000000000CD0000-0x0000000000D0A000-memory.dmp

      Filesize

      232KB

      Download

    • memory/1756-177-0x0000000000CD0000-0x0000000000D0A000-memory.dmp

      Filesize

      232KB

      Download

    • memory/1756-181-0x0000000000CD0000-0x0000000000D0A000-memory.dmp

      Filesize

      232KB

      Download

    • memory/1756-179-0x0000000000CD0000-0x0000000000D0A000-memory.dmp

      Filesize

      232KB

      Download

    • memory/1756-178-0x0000000000C60000-0x0000000000C61000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1768-141-0x0000000001AE0000-0x0000000001B1A000-memory.dmp

      Filesize

      232KB

      Download

    • memory/1768-160-0x0000000001AE0000-0x0000000001B1A000-memory.dmp

      Filesize

      232KB

      Download

    • memory/4452-170-0x0000000000A00000-0x0000000000A3A000-memory.dmp

      Filesize

      232KB

      Download

    • memory/4452-127-0x0000000000A00000-0x0000000000A3A000-memory.dmp

      Filesize

      232KB

      Download

    • memory/4604-126-0x0000000001EE0000-0x0000000001F1A000-memory.dmp

      Filesize

      232KB

      Download

    • memory/4604-163-0x0000000001EE0000-0x0000000001F1A000-memory.dmp

      Filesize

      232KB

      Download