Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 02:30

General

  • Target

    e56a7ac7a566ac2065d7de524f9934f485fa6f55a1fb6cd388dc0fd1a1daac8d.exe

  • Size

    19.8MB

  • MD5

    0ea4387193cc9313064edce65640f722

  • SHA1

    98925289efe4a071027e25ace5e8a9d659934f1b

  • SHA256

    e56a7ac7a566ac2065d7de524f9934f485fa6f55a1fb6cd388dc0fd1a1daac8d

  • SHA512

    ec4e43dae839c1bde61d6feef212e2eea9eea0b1c69bc77459d23f1613c73378dab13518c249f65988153bc21a5ad2d13fbb82013321555ccd16dac2880ce69a

  • SSDEEP

    393216:Mdvr3DHhPWjmUASYlYLGE3+6Pdj/uVDVU3LLHf36WAa:SzTHhOjCl3b6F85UbL/36WA

Score
7/10

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 46 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e56a7ac7a566ac2065d7de524f9934f485fa6f55a1fb6cd388dc0fd1a1daac8d.exe
    "C:\Users\Admin\AppData\Local\Temp\e56a7ac7a566ac2065d7de524f9934f485fa6f55a1fb6cd388dc0fd1a1daac8d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Windows\system32\taskkill.exe
      "taskkill" /F /IM RuntimeBroker_rustdesk.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2056
    • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
      "C:\Users\Admin\AppData\Local\rustdesk\.\rustdesk.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\system32\icacls.exe
        "icacls" C:\ProgramData\RustDesk /grant *S-1-1-0:(OI)(CI)F /T
        3⤵
        • Modifies file permissions
        PID:4952
      • C:\Windows\system32\icacls.exe
        "icacls" C:\ProgramData\RustDesk\shared_memory_portable_service /grant *S-1-1-0:(OI)(CI)F /T
        3⤵
        • Modifies file permissions
        PID:3672
      • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
        "C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe" --portable-service
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:496
        • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
          "C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe" --run-as-system
          4⤵
          • Drops file in Windows directory
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:4224
      • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
        "C:\Users\Admin\AppData\Local\rustdesk\.\rustdesk.exe" --check-hwcodec-config
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2812
      • C:\Windows\system32\cmd.exe
        "cmd" /c "taskkill /F /IM RuntimeBroker_rustdesk.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4384
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM RuntimeBroker_rustdesk.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\RustDesk\shared_memory_portable_service

    Filesize

    23B

    MD5

    749ff049216aae790b9c30278bb08cc1

    SHA1

    88b1374e8c491a2e666e6b00a8b1fdcfd745a52d

    SHA256

    7f401b7d18938b566139fcea1cded6b27be73517161eaecc68e7b1667ab6486a

    SHA512

    34414ddedd03c0be7cd064f6c4b9d896e366d078573d2eea41ea337f0ef06a8e28fd176762940975913ee38ce5abb2ea9c0fba0e0fe188d2a36f242957c2cabf

  • C:\Users\Admin\AppData\Local\rustdesk\data\app.so

    Filesize

    12.6MB

    MD5

    d5a981e73de575e062ddc104a7fc4b97

    SHA1

    00ac691f5f3e9caade1949a06b3a77c6e370d8e8

    SHA256

    961b5683da717aa5e92ed4f51706403ae36f2cbb576fc5813fdf0a2b3f79921c

    SHA512

    b4255fc6b97331ef4d95cc4e4f93c8b3d2ba27f187ce49bdfa474f0ae6ae75869a1f0293c7e659d6e1919c99007ffbd43606ed792961ca9673e1df71fed45a1d

  • C:\Users\Admin\AppData\Local\rustdesk\desktop_drop_plugin.dll

    Filesize

    332KB

    MD5

    a08b6b4b8fca511c4ae5f0c3ea2b3b52

    SHA1

    f4062878489cb76259546f535fa5b0cda4500e06

    SHA256

    0de513f799226c86365295950821725eefac3d7b094f3b1c3dc7b8cd92127564

    SHA512

    a08af29dea6c0c16caebd2683ca1413aa801358c644029f728d2e4066998c0931c95a1c65781fe58927094d1df3e48b342d0f65efd370c8d094a64cc9af1126b

  • C:\Users\Admin\AppData\Local\rustdesk\desktop_multi_window_plugin.dll

    Filesize

    405KB

    MD5

    19964243f81efea4cb3c756fce35fc87

    SHA1

    5cad8ee708732f6076daceabf6939edf8d53e116

    SHA256

    f417bde8a0853a612c0c9e81e28f52795b052180788e001210ed3fe09491103a

    SHA512

    df5d97112018a160675d5a0fc8b262f90e4c745f58af9e09089bf66b8e18f6cfc619856cac1e4adc2ab827324b899dc1fc48e318554378417c0f3b5b11704825

  • C:\Users\Admin\AppData\Local\rustdesk\flutter_custom_cursor_plugin.dll

    Filesize

    322KB

    MD5

    3c710c1e1025ef0fc8cdfc9f746372ac

    SHA1

    f46ada3ba09bce3457cd5ef0f2ae22ce7dad5fe5

    SHA256

    39884f09ce034d7b3cabbe3300ecea3d4731835acede66b7b213c46277b5695b

    SHA512

    00617fc61eec40590e5e702ed8a055e553d80908ef12469ce9a9373125e60f1157cd9accc717cc5273bdbb6deb55ba6d5f551ffc66a37e2609633e5a2e504af3

  • C:\Users\Admin\AppData\Local\rustdesk\flutter_windows.dll

    Filesize

    17.0MB

    MD5

    e2b36e1e9d37c457693a846bde518c75

    SHA1

    3dae7866ea914ebaa8ad486822fa592d69183601

    SHA256

    e04e062474335d1e78f90f3c426b2d0a37a0bbec4def5033e7cc0caa255fda25

    SHA512

    f2c62d60ca0ca3e29aa6113764c56447d017c9c4932b29759aa60116dac1254036ec9f6cf9400f278d86360f743e76945a56064073e0417d4fd497488f198dba

  • C:\Users\Admin\AppData\Local\rustdesk\librustdesk.dll

    Filesize

    23.6MB

    MD5

    5aaca1aaf9d5883b3c474f8e013f91a9

    SHA1

    00036beb0521c4cdda6f123356a2ffef5e5f0895

    SHA256

    01e8bd30ee27d94bc3e4d092c3431c5940d13953042c26fb89be7364a7dfcd94

    SHA512

    910e6d1aa302b638e32a49d79c45ac8b1595e6a5f36f99689e36f96b7520d4223e391364313c571faea230cb8795cc13be89a9f4556a29be30b7cbf48a58bab2

  • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe

    Filesize

    266KB

    MD5

    272595dc239c416f97d938edf06b2fff

    SHA1

    6fbbf0629226d0337f62d09847a569ccfeaab7a5

    SHA256

    e8f370f8029b433f481333ffb7887f3dd8b91ebcd9e8cf8c81787c9de07da86f

    SHA512

    e430c87181aa41f6cd8aa32d92d729059f37b474ef03ea74bbbe18eb9b172a2bb423345139c5af833edea86864e6b8896f02ebc85741ecef29a4e62a3868ab15

  • C:\Users\Admin\AppData\Local\rustdesk\screen_retriever_plugin.dll

    Filesize

    557KB

    MD5

    09c5f77b487c525230d287f72b155699

    SHA1

    16149a40680bd9d8e43a51a06282c2cb3b61a7bf

    SHA256

    ca71b91945b859c0e9af9c97e64733ab30589b16ada39095a03a00fa4fec64b1

    SHA512

    2333795975999031d5d1ec2235f9f0b6f57a24aa1b95223161c05a429935e6c80187e08cdc3a54459fa6274086110e22b490d922bed5546f27c42323076b0920

  • C:\Users\Admin\AppData\Local\rustdesk\texture_rgba_renderer_plugin.dll

    Filesize

    335KB

    MD5

    79ec6a8d69d00ec85e0d4bca4ca9f4c3

    SHA1

    c012a435e705e0102e981ebf5e252a429959613b

    SHA256

    497eef7df50108321a25940b858db0f5e448a0d2384ec3d2038c6e360f593ae4

    SHA512

    77de26eda07803070288b5376cafca8475a153986fdcbfc1c742f4224b09b9c8746bf87db7175b367125255593c07c7bf16554f0f4b06d444c5d2b0902452cb4

  • C:\Users\Admin\AppData\Local\rustdesk\uni_links_desktop_plugin.dll

    Filesize

    554KB

    MD5

    ad303be2fd780fec8dd371cf371c0539

    SHA1

    0b177653f8457642717aa6a4e1c62432e6e92b39

    SHA256

    d7c3da9ae5e8c6f33e4972784a0e73034b31576bf47248e5512f34d4beb0f8c2

    SHA512

    1ec4bd2bbed3b4d783611a2943c93854425a4b6eae070d37d61135f4ce826672a960fd0bdf1d4e7687b47a3b01ce6958e3f8c60b6df4ac274c627cf0966bb498

  • C:\Users\Admin\AppData\Local\rustdesk\url_launcher_windows_plugin.dll

    Filesize

    332KB

    MD5

    f007f46a79fe228e5aadbceaca242703

    SHA1

    c0f347acce2ea2025d9e1eb35e4eb829344a30fd

    SHA256

    027e70b91a2ba89f40b768f3b3eb6c12792f422c931a310f097bdb992131aa6c

    SHA512

    524e11f557395d025d3658c035d87a909eeed7c2c3e89209869e0a1f000e998ff71c4ba3fb69836d44b5116b4ff56c2f1f0eaeb7df3496421f3d1db42354f4a4

  • C:\Users\Admin\AppData\Local\rustdesk\window_manager_plugin.dll

    Filesize

    597KB

    MD5

    f14f9be66e48c18118c45cf9fcd3309b

    SHA1

    1d290be804d926f60bed30f8f850bdb085515a92

    SHA256

    4a80b9dba44153735810e7531395a15476733f8a90a69f8fc5939a2c323873a1

    SHA512

    03b74aadc9a85c65024f4cc43ac6dda1558a157708b26b2c655249034fe0617eb8c03e5d6158ae2ac197ce51b8947262a6450e1a4f41ce0cbdec9a9f5ce4a0b1

  • C:\Users\Admin\AppData\Local\rustdesk\window_size_plugin.dll

    Filesize

    551KB

    MD5

    8147bd2f71221360338cd14e3e7ea323

    SHA1

    e59ac3f40454e7a4e8abd63945994b836f283c80

    SHA256

    e0976cceaced3fcb2c93821d760381acd8bcb59b02d2e4df8468cd021c65d96a

    SHA512

    f7faac494aa4347545b7a17ef56f3e05751d43425a17b80b9c9923924251cc5dff306e5ceed18f856c84236a5ae174519c5fcb91726352b7b31ed73f399400b2

  • memory/2744-134-0x000002E2C79A0000-0x000002E2C79A1000-memory.dmp

    Filesize

    4KB

  • memory/2744-135-0x000002E2C7B00000-0x000002E2C8791000-memory.dmp

    Filesize

    12.6MB

  • memory/2744-136-0x000002E2C7B00000-0x000002E2C8791000-memory.dmp

    Filesize

    12.6MB

  • memory/2744-137-0x000002E2C7B00000-0x000002E2C8791000-memory.dmp

    Filesize

    12.6MB

  • memory/2744-160-0x000002E2C8D50000-0x000002E2C8D51000-memory.dmp

    Filesize

    4KB