Analysis

  • max time kernel
    270s
  • max time network
    271s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12-02-2024 13:37

Errors

Reason
Machine shutdown

General

  • Target

    AnyDesk.exe

  • Size

    3.0MB

  • MD5

    eb80f7bddb699784baa9fbf2941eaf4a

  • SHA1

    df6abbfd20e731689f3c7d2a55f45ac83fbbc40b

  • SHA256

    b9ad79eaf7a4133f95f24c3b9d976c72f34264dc5c99030f0e57992cb5621f78

  • SHA512

    3a1162e9fef849cb7143dc1898d4cfcfd87eb80ced0edb321dfa096686b25ae8a9a7f3ae8f37a09724d94f96d64e08940fc23c0b931ddd8a1e70e2792cb3fe47

  • SSDEEP

    98304:6aJXyQTrRGlSMoIuORmKBQielvZlpkiSti:3olMcR9BTY3WS

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 32 IoCs
  • Modifies data under HKEY_USERS 9 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 46 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe
    "C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe
      "C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe" --local-control
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2692
    • C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe
      "C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe" --local-service
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2804
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1240
  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\Desktop\RepairRemove.vbe"
    1⤵
      PID:552
    • C:\Windows\System32\Notepad.exe
      "C:\Windows\System32\Notepad.exe" C:\Users\Admin\Desktop\RepairRemove.vbe
      1⤵
      • Opens file in notepad (likely ransom note)
      PID:3068
    • C:\Windows\system32\csrss.exe
      %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
      1⤵
      • Enumerates system info in registry
      • Suspicious use of WriteProcessMemory
      PID:696
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1556
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1256
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x0
      1⤵
        PID:1220
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x1
        1⤵
          PID:596

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\AnyDesk\ad.trace

          Filesize

          6KB

          MD5

          cc30fb3673c3882966317287aa92eeb5

          SHA1

          ca181a8eaef6c0bc89f749596c52fd6661454851

          SHA256

          899b1d27fbb4d2b818d8147e743efdd0649a9221db563084d9bc2bf0a8a86d97

          SHA512

          2bc6b0716b6f478037692d6fec589322d0f7ee074fac3561749eeb095e0f11014a73f80a81a52bc499194032237af6813aceadb6124d08d80a2ccc442bd9e59c

        • C:\Users\Admin\AppData\Roaming\AnyDesk\service.conf

          Filesize

          2KB

          MD5

          3ea7abf58b69d13e1be35a9d67e10ac1

          SHA1

          a8bdc4bfe960244fcd2c6c59f3cb7e4ce722a64a

          SHA256

          dfab9fad3df3d1bdbf93436a7fb8bfbdd19f87cf28512f251c62ba1236a6e015

          SHA512

          dbcadb94e86dc1ff446e3a6bb55506570c63c4307601e374e1ff66a1de0425e08e6af5613f2bfc4461133ba719543f4c84001f8b3773231df13030b2c82fc7fd

        • C:\Users\Admin\AppData\Roaming\AnyDesk\system.conf

          Filesize

          105B

          MD5

          732272069ada87c57562e856b1a8039c

          SHA1

          5c541486cad7adcbb0bdb2bd2451b7d02149642b

          SHA256

          48442e1da20e29869de668b8686b1e3bf622a7d3bfd184092db9eead3f082044

          SHA512

          435c1a2a9a7514eb3a430f0dea746f9020b5bb727624690aaa5cc60b2fe6829b48077c10db1a19977c06d1a63defd3a2cbdcf5f783d0922f6f97c3242f9b3d66

        • C:\Users\Admin\AppData\Roaming\AnyDesk\system.conf

          Filesize

          330B

          MD5

          4ba49b30a59fede52eb6037c1cb1c0ba

          SHA1

          43034777c8a2d0c7e4f38ef59ef196ec267fbfbd

          SHA256

          83972efd55c6724626d6dbe1dad4c7341b35474595e762682f3b9c398efe6985

          SHA512

          677a084bff9e385ef08d2b1d3a47bd8346cc304c6ac537fff65a7c4543f233fdbd07caa5a5c64b0566cb9fd04b829f8d87022c3f2019df15664438afe1322338

        • C:\Users\Admin\AppData\Roaming\AnyDesk\user.conf

          Filesize

          226B

          MD5

          4f28cdfcb70866f4fb7c6cf0a6b4b4eb

          SHA1

          703877bf8914abb5162fb185c4e0ee7d839e3966

          SHA256

          fa0d299c5e015f3b2c955bee35a64efeab552ba6e1b74d878c3d32c24b676359

          SHA512

          a78cd9ca09431b231b784919be56f7d8c429e82c8031354e6731987fc6fcf5d5b938630355e16c5e3c598ccc1abecba435f0075887abb54846e6543f247b43ff

        • C:\Users\Admin\AppData\Roaming\AnyDesk\user.conf

          Filesize

          205B

          MD5

          59352c2b0c590c5fd96365d3168d723b

          SHA1

          53ab571639cc3e3a38032c1095985f7f4278d8fc

          SHA256

          079db0d18cb8ca55e8653f3d67608c5e445d32e368feb874ed3fa1d797c7c286

          SHA512

          2d21bcd26ef934095ca5b37aa1e66091547870f5e09c2d203dfd75923d2575f93f1a42f31e4fb7b2423b766984464ed65b048f49519837918de246a892c82828

        • memory/596-181-0x0000000002AB0000-0x0000000002AB1000-memory.dmp

          Filesize

          4KB

        • memory/1220-170-0x0000000001A20000-0x0000000001A21000-memory.dmp

          Filesize

          4KB

        • memory/1240-156-0x0000000140000000-0x00000001405E8000-memory.dmp

          Filesize

          5.9MB

        • memory/1240-157-0x0000000140000000-0x00000001405E8000-memory.dmp

          Filesize

          5.9MB

        • memory/1240-168-0x0000000140000000-0x00000001405E8000-memory.dmp

          Filesize

          5.9MB

        • memory/1240-167-0x0000000140000000-0x00000001405E8000-memory.dmp

          Filesize

          5.9MB

        • memory/1240-166-0x0000000140000000-0x00000001405E8000-memory.dmp

          Filesize

          5.9MB

        • memory/1240-165-0x0000000140000000-0x00000001405E8000-memory.dmp

          Filesize

          5.9MB

        • memory/1240-164-0x0000000000370000-0x0000000000371000-memory.dmp

          Filesize

          4KB

        • memory/1256-169-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

          Filesize

          4KB

        • memory/1948-26-0x0000000003FC0000-0x0000000003FC1000-memory.dmp

          Filesize

          4KB

        • memory/1948-20-0x0000000003B10000-0x0000000003B11000-memory.dmp

          Filesize

          4KB

        • memory/1948-14-0x0000000003A30000-0x0000000003A31000-memory.dmp

          Filesize

          4KB

        • memory/1948-13-0x0000000000F80000-0x0000000000F81000-memory.dmp

          Filesize

          4KB

        • memory/1948-24-0x0000000003E70000-0x0000000003E71000-memory.dmp

          Filesize

          4KB

        • memory/1948-25-0x0000000003FA0000-0x0000000003FA1000-memory.dmp

          Filesize

          4KB

        • memory/1948-0-0x0000000000080000-0x0000000000C92000-memory.dmp

          Filesize

          12.1MB

        • memory/1948-28-0x0000000003AA0000-0x0000000003AA1000-memory.dmp

          Filesize

          4KB

        • memory/1948-29-0x0000000003B20000-0x0000000003B21000-memory.dmp

          Filesize

          4KB

        • memory/1948-23-0x0000000003B60000-0x0000000003B61000-memory.dmp

          Filesize

          4KB

        • memory/1948-80-0x0000000000080000-0x0000000000C92000-memory.dmp

          Filesize

          12.1MB

        • memory/1948-3-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

          Filesize

          4KB

        • memory/1948-27-0x0000000003630000-0x0000000003631000-memory.dmp

          Filesize

          4KB

        • memory/1948-22-0x0000000003B50000-0x0000000003B51000-memory.dmp

          Filesize

          4KB

        • memory/1948-1-0x0000000000080000-0x0000000000C92000-memory.dmp

          Filesize

          12.1MB

        • memory/1948-21-0x0000000003B40000-0x0000000003B41000-memory.dmp

          Filesize

          4KB

        • memory/1948-19-0x0000000003B00000-0x0000000003B01000-memory.dmp

          Filesize

          4KB

        • memory/1948-18-0x0000000000F90000-0x0000000000F91000-memory.dmp

          Filesize

          4KB

        • memory/2692-30-0x0000000000080000-0x0000000000C92000-memory.dmp

          Filesize

          12.1MB

        • memory/2692-32-0x0000000000080000-0x0000000000C92000-memory.dmp

          Filesize

          12.1MB

        • memory/2692-82-0x0000000000080000-0x0000000000C92000-memory.dmp

          Filesize

          12.1MB

        • memory/2692-180-0x0000000000080000-0x0000000000C92000-memory.dmp

          Filesize

          12.1MB

        • memory/2692-39-0x0000000000D90000-0x0000000000D91000-memory.dmp

          Filesize

          4KB

        • memory/2804-31-0x0000000000080000-0x0000000000C92000-memory.dmp

          Filesize

          12.1MB

        • memory/2804-90-0x0000000000080000-0x0000000000C92000-memory.dmp

          Filesize

          12.1MB

        • memory/2804-81-0x0000000000080000-0x0000000000C92000-memory.dmp

          Filesize

          12.1MB