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Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/01/2024, 02:21

General

  • Target

    23b661d7bc171cd500d5096456905283ffe06479582b62d3bd5066633935d43e.exe

  • Size

    19.8MB

  • MD5

    7caa1ef1cdeabb6c7487d66bd172fcf8

  • SHA1

    a95d7098080fc3994ab434c2a5c4ec8f85817b11

  • SHA256

    23b661d7bc171cd500d5096456905283ffe06479582b62d3bd5066633935d43e

  • SHA512

    d4d13f539ce2e6177be3c06bab29fb69964424176a5f7573f27bfcdf87fe73b9b522182460331523f1421c0490e4c95b3a864eb9152df8bca7957916b85c5ae1

  • SSDEEP

    393216:Mdvr3DHhPWjmUASYlYLGE3+6Pdj/uVDVU3LLHf36WAaS:SzTHhOjCl3b6F85UbL/36WAz

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 47 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 2 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23b661d7bc171cd500d5096456905283ffe06479582b62d3bd5066633935d43e.exe
    "C:\Users\Admin\AppData\Local\Temp\23b661d7bc171cd500d5096456905283ffe06479582b62d3bd5066633935d43e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Windows\system32\taskkill.exe
      "taskkill" /F /IM RuntimeBroker_rustdesk.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2984
    • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
      "C:\Users\Admin\AppData\Local\rustdesk\.\rustdesk.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Windows\system32\icacls.exe
        "icacls" C:\ProgramData\RustDesk /grant *S-1-1-0:(OI)(CI)F /T
        3⤵
        • Modifies file permissions
        PID:1516
      • 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:1676
      • 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:584
        • C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe
          "C:\Users\Admin\AppData\Local\rustdesk\rustdesk.exe" --run-as-system
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Windows directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:1792
      • 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:2464
      • C:\Windows\system32\cmd.exe
        "cmd" /c "taskkill /F /IM RuntimeBroker_rustdesk.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1744
  • C:\Windows\system32\taskkill.exe
    taskkill /F /IM RuntimeBroker_rustdesk.exe
    1⤵
    • Kills process with taskkill
    • Suspicious use of AdjustPrivilegeToken
    PID:1892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\RustDesk\shared_memory_portable_service

    Filesize

    23B

    MD5

    93818a2eae1f2df02c1b438ae900f23f

    SHA1

    ced32cc1a801fe0dab90e5877ad129a441f71899

    SHA256

    dc898128c59d626be8b3e6252fe35a9f3fb0d67a9abaa5635cb18762a1aec3f5

    SHA512

    fcb33a021777c9c1b0da60731d85af0609feb3d25e63fc32f5e2ff28e284bd22375bcec987ce64b78f6d8600cf4a8b4af797517dede69824be6e1e825587adbd

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

    Filesize

    192KB

    MD5

    f49458ed5656946cc5beb32e9d06b0f8

    SHA1

    fb95d8590bb069ebd03665458b3b35df9a935aae

    SHA256

    cf1c18f0ee30ef3a69056119988f0803e649520bd73dfa0ec9374034a7547bd2

    SHA512

    b0b081bfaaede8c79f0f2b342ef26159b84cc9605c4ab51fd1bb808c4e9df4b397f0ad7071ef55cf9ca4a1aa9ec303b520b862b47c3f9b66ecbfd37c5a37be0e

  • C:\Users\Admin\AppData\Local\rustdesk\data\icudtl.dat

    Filesize

    2KB

    MD5

    be94d8155c116ca4da3fea855987f355

    SHA1

    92ff1e398fe5ca20d005617f3d7298a58a253ce1

    SHA256

    d2808d17c1a1c5f2b18538230c654a8b3a980df5f27ebafbc17da1cf38184938

    SHA512

    00969ec3765c02b4c631ed41202511f4681159d81bc659b309f01f8402f93d385960030df0ef3c395713f0a5e1d6d5c7d8bff154ed97a99f4a6b575290f99128

  • 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

    6.1MB

    MD5

    7cd714dd9c8c8fdfaf4afb539473af03

    SHA1

    abaa6d429078e98257961c904284d530f8ead0b7

    SHA256

    446875ad3d808b0ea373ee7a9f5b2d20190699e2651e79538bcbb1a8aca019b9

    SHA512

    d5e941a289c5d42684edc7f92210a8609010476038e827a57dd4a4ec5d7d1a290ca02b31b49131030edc3ae08a69b68e77dda7f165950d7353efa54b1693f765

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

    Filesize

    1.7MB

    MD5

    ba378146c8512758c9dc9163d5a0df9e

    SHA1

    339bd823e99124221e85d537ae718564c52819fe

    SHA256

    052c0f053b4655772001daf1e1ea134c053f593a69ccaf12a8804908ad227faa

    SHA512

    9305722e551097095849f4c22fc3508da2c0bf0f4ee3a70c4c510d8039fb3bbbbc4c2d551281b9abe4a013e1d44a49f4812de853724651555dc020becde9fbb8

  • 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

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

    Filesize

    459KB

    MD5

    3ea51bee82d283b19eea0e930359e529

    SHA1

    9c0fde681d41c3a7a77a40c8d7d1b5875c91ef91

    SHA256

    551b1f61a17e26d172ec0b0f53e254026e6bb81d6006dff789e07fa6740060d3

    SHA512

    4b515befc27c2b9b8ee294c1a53b152f80420b3bea25818996d55da7535131e3bb2a4dd020d1991435d240907d7a591be64bd4312c72190d0de577451c49687b

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

    Filesize

    786KB

    MD5

    7b0fe2db96e316dce3cec909a7e47d62

    SHA1

    3d0881bed9869e10aa00f643ab0cfbca7b09f751

    SHA256

    d50e9c578bd518f19de667e4ad3b90de0bad50e9fda69471d0fd4a90fa1882f1

    SHA512

    6243631fc8f82d99f1f502cca2e5c49b75c942c454e0e6fb28609ba168dd7993bf38145396654326a77d698e56fbe201bc669413399c96fe29441495a3e15277

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

    Filesize

    1.8MB

    MD5

    6269b7e883592284fe7fa7422e8fc16c

    SHA1

    30a2ad73a4719a438caa51f5722a55e4e9df2164

    SHA256

    eb2e385f3877ea4daa08d0e73df9277793c8657944f9b87be6c0f81512fd361e

    SHA512

    5f2a7cbecb97505eed659178cc2e476e5af25148fdc2f82ba5441e38805a9c00f0c51f46566aacb898eeaf204fee0a053a61a310e55cc3b547352d226443962f

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

    Filesize

    4.0MB

    MD5

    123ac296488182c150ac31a38bac198b

    SHA1

    c5cc755b08c7cda9083fe43e63dd5f3fd86343f9

    SHA256

    ad06cd212c86d217cad14bd8b34aa87640d317caf583da31677f4ac15e1512fe

    SHA512

    9b04e7e7f025553d24a1b5f176094e7431da38359eb39e81b8aedd569fc4fe202761da4cf917834e86ac9c3975a63934016cf6dca83c078e1f736a95c90535c6

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

    Filesize

    1.6MB

    MD5

    d8abb78ce3ce71d13a7ab0e74c8fb247

    SHA1

    99ad5a0ea7499bc9443b237dc2b3dabb908e2561

    SHA256

    e977a13252677d8147ab6f37a66d5cb3624bf365a726ad59d5fb0675c8161b12

    SHA512

    b1dd1730c0988735835636833d877d6906cfc1c976ed76209e178d182f256683b4405e7f36c68bb510e575183c98cc793033bd773922a7c54abfda99278d5aa9

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

    Filesize

    359KB

    MD5

    4b6b5c74bec3b04f086f77b65c62a747

    SHA1

    6b055beb379e4f82b7a880e251b4662d5fdf97bf

    SHA256

    ad2ee0b7030c449378cc3d96257e732dfaa06015504a25254ecd199d198c8b9f

    SHA512

    d588384fa3845f9b81d21ddb7781eb922e69492f1838f8c6f98cfd9346f338a1a438052ce4d283dabd95e19e26e288addd349dad2438954769708d9f851566d4

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

    Filesize

    190KB

    MD5

    9672285d40c6d66fddd8cc8d8d655b58

    SHA1

    c205d1a10df08ca574341c3f5109bc7e8c597984

    SHA256

    e410810086666167555ae2e5f4324964c0919f14a756f0c323e04c6d42a34859

    SHA512

    26bb7087f33405c111c8e3196b6c3873d0386019528857bcf26150766951230e641c51314ef97489dc654d9d69b1a5e46a27951834e512c5ccfa4b283b3d5022

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

    Filesize

    1.0MB

    MD5

    fd406a6ddeb027ba20282cab48305707

    SHA1

    31f6d7cad011218d74a7e435d85de6efef768c4e

    SHA256

    28785eedef6ea4e93d5883b3bf0131af024ef67590c0c23d97b54633754a966f

    SHA512

    cc8264e37e9ed18d9783a3992eb980bd648263d97d34ed5db1831db4498f831ba3e53828b69da4283ffafa59338244c05a7dfd857fcc982de1b77b0e61812293

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

    Filesize

    470KB

    MD5

    c5bc8a68cd139b4dd7fc008194160272

    SHA1

    ee692a6bcd2e48016101efcaf8cf65c488326e32

    SHA256

    6f1d7c2722842d8ee951c7680644912961bc1f82ecb699fddc34a7aeb3e85a07

    SHA512

    14a4285275c23f76e70e4657f71bdba1c2746bc3c8eda3f6aba96e0a588535220b63c87d1a84374cb0e029f4aeeb7ffb172e62a0c2d053871b4fa7ae7e747bba

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

    Filesize

    481KB

    MD5

    6bbd832322d5abfba012a7838c205936

    SHA1

    9482473cc6d09b53b0b43ba7290f4bf91a65f7fd

    SHA256

    6761cd69af764b2ba8304f5da1ea3c0c2f37c33641a8b2ae7db6beb05e28493b

    SHA512

    8671294300a717597bd04223ba3b8024c3e220c5ffb5c5b7d8e16711c93216dad71b44d7e9cf92bf04c2afc8c62e09d434c90a433f4b61f50450a8ca93b79311

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

    Filesize

    325KB

    MD5

    579ba0662bb656e386d78b19bba02fac

    SHA1

    54e5cded02813c78f9b374bcd9d3b548709b6625

    SHA256

    b02f3fe429f517cd8bf11def0a7cfabdf8781d44d5ad335ed0501ce8f0d71d46

    SHA512

    2c0b88881d3ce7e754f86bc775c3cbc4c193d0a3f17ddb18ae0a0e662c3ab9df77aa1cb385cd251d66b2768967e39c67ce3618100cdcbbce0aa69c6baed4ff14

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

    Filesize

    420KB

    MD5

    f8de1c9d4e8b0f787e85b8ba81a00e59

    SHA1

    e7a944cc6aad166e557141be9ae1bf4f59b7585e

    SHA256

    c72254cf0be77b7a884f7c7fb7ae8c4bfd82ace54bbd49c239b498f4faa90a22

    SHA512

    fe6ea78699367c2afe8f852deba24203260b45afa92b4902b935fa91ddb44ce4acd0589c168386227152b2796fd6faadc8a6cdaedc93150f52f8ce804167a64d

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

    Filesize

    391KB

    MD5

    365a1131cdf747b12861875f7914cd5e

    SHA1

    444dfacda19f764ada6195e409eb265ea00c650e

    SHA256

    17d409984fe324ba40951996032cd10502a481cf918e4f9399f786b116b4735e

    SHA512

    ac842e2a0981fe87131c40561c4dc4c488f63b6bb3814ff2d45fe6c1b71b22e43516396d28f3e0e1a562f987bc1bede4a807839d0f190dd512a0eb07d989fd1b

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

    Filesize

    399KB

    MD5

    bebaa814e736e757ee7e8926c4fe2911

    SHA1

    a32edc95555043578eda53f5ef55474810ce346f

    SHA256

    5987c09a914f10cd05af257867c85f77574123d16e47f3674ddf6ab0dad52f63

    SHA512

    28f9e604594f2fa01f1b33097b6e38bf4c1a5ef495b77fd30ad8e81156f043f1755ce137b197cbac2134fe56cecc3cc6013769e240edf57a87c91ba29e2379bd

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

    Filesize

    358KB

    MD5

    3a814023471776d9a0514bcdd08e3d78

    SHA1

    50feeb812f237510a9bae827d8fb503aedd49d39

    SHA256

    7ca811556f3ffee3f40a519440cf805b7a0c896a2bf4cbefa97b049623cc37be

    SHA512

    a9ab56152189e23c276858b7427dc5885b54accde7ec05887929e87c0313b6767b3aacf3398d3067bbfbb003e834dd72d72a5be6ca7631bfa8b5e58df3739909

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

    Filesize

    436KB

    MD5

    20a0aac9a31d8ef9ae3cb1d307b6aaf9

    SHA1

    d294549d08c1d7ff7793e1cb292602299f344942

    SHA256

    49ff907feea2a83c9a1e77c88c6de6f178f250b1f19018a98b88dbfb0cd599d2

    SHA512

    2a746d7c7b8d6414c5786423c9d41446ef2736329576068ddc273c0eab1ec6bc4a0a7f9bb658c0c533b143c626e3fe343ece11f7b2050e0cbd2e39df943d7265

  • memory/2812-159-0x0000000009590000-0x000000000A221000-memory.dmp

    Filesize

    12.6MB

  • memory/2812-166-0x0000000009590000-0x000000000A221000-memory.dmp

    Filesize

    12.6MB

  • memory/2812-169-0x0000000001CA0000-0x0000000001CA1000-memory.dmp

    Filesize

    4KB

  • memory/2812-152-0x0000000009590000-0x000000000A221000-memory.dmp

    Filesize

    12.6MB

  • memory/2812-151-0x0000000001C90000-0x0000000001C91000-memory.dmp

    Filesize

    4KB