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Resubmissions

27/02/2024, 21:02

240227-zvlw9abe32 8

27/02/2024, 21:01

240227-zt7sbsbf3s 1

Analysis

  • max time kernel
    74s
  • max time network
    82s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27/02/2024, 21:02

General

  • Target

    release_v4.rar

  • Size

    15.5MB

  • MD5

    fd1bf04083511e2f9039adb11f6f0fa2

  • SHA1

    dc22c2de27239653e90c3c37c59b6c3a2177d10c

  • SHA256

    ed3cdc71e21e5f846284826f81d9d9abe02d61a8038b80350ea3b7dc843a9b3d

  • SHA512

    5192f2ace2383716f84f80eca6bf21d3f0c08db5ddf517adf3a7de33cf415a3a7c80b3aa30201538c0769aab85c4dee6943393eca2eb614d2e21db724ea3ff69

  • SSDEEP

    393216:/zYZDaxJ95F9ejuNQwWNPN1tWLsIjx5Z50vWTWSGJ:/zOa3pcjuGXZMLd3L0v9SGJ

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\release_v4.rar
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Program Files\7-Zip\7zFM.exe
      "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\release_v4.rar"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1228
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:352
    • C:\Users\Admin\Desktop\New folder\setup.exe
      "C:\Users\Admin\Desktop\New folder\setup.exe"
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:488
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:1056
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
        1⤵
          PID:4916
        • C:\Users\Admin\Desktop\New folder\setup.exe
          "C:\Users\Admin\Desktop\New folder\setup.exe"
          1⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:4336
        • C:\Users\Admin\Desktop\New folder\setup.exe
          "C:\Users\Admin\Desktop\New folder\setup.exe"
          1⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:3236

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157

          Filesize

          4KB

          MD5

          1bfe591a4fe3d91b03cdf26eaacd8f89

          SHA1

          719c37c320f518ac168c86723724891950911cea

          SHA256

          9cf94355051bf0f4a45724ca20d1cc02f76371b963ab7d1e38bd8997737b13d8

          SHA512

          02f88da4b610678c31664609bcfa9d61db8d0b0617649981af948f670f41a6207b4ec19fecce7385a24e0c609cbbf3f2b79a8acaf09a03c2c432cc4dce75e9db

        • C:\Users\Admin\Desktop\New folder\setup.exe

          Filesize

          15.5MB

          MD5

          3f51cabd26d9dce9519a8164f947f88d

          SHA1

          c53191bb51e4539787b8482ac218ce1df373c7b1

          SHA256

          a948665b62ab4acf12f0c1656ea63884aed4e2475d3578c605df4d5ccc5555b2

          SHA512

          6167d1a2fca15746b6be7e7da634e507cbc9ac7ce2f49f681220a5a19a7665d2e9910090d10b043012f0ee94def5359d2a5fdf84fede699eddb53cbd2e8db514

        • C:\Users\Admin\Desktop\New folder\setup.exe

          Filesize

          15.4MB

          MD5

          2ed435b6a93078973a1e75ee05da9256

          SHA1

          805fd6a8514a39fee076e6dba64833b7a05eae24

          SHA256

          d1275f5f90efdd9647d19f894cf9f9ec8ed47077967de6ddbc9f0cbd8eab5569

          SHA512

          8c81918b9e261d4c65abd740bbab65b2a03bf5204989628f3e8b72b54878cbac28e0add5d48a80f7c6402f53fdbb1887d4b07d24b887e3a73b5567d80eb8e287

        • C:\Users\Admin\Desktop\New folder\setup.exe

          Filesize

          7.9MB

          MD5

          364d37eab39779acafc3891576d04939

          SHA1

          9b580be07f8da5158dc170337e65b3929f6d54b0

          SHA256

          95437e8489bf9c2c699af788d8a7ca6edf2efd6f3fd61b36ab40248a9b8e11e0

          SHA512

          3ce579eecdf24bb1ae32cef64d4c56158d1709ce2a8131edc183e17d6bf86025f90e5da6cfe68530ae649719fe4a4c91845063ecc29721c08324308fb3fca43f

        • C:\Users\Admin\Desktop\New folder\setup.exe

          Filesize

          10.6MB

          MD5

          6b2abab40ac32d104653857f33ad2f7b

          SHA1

          7103114c8884fee02947e5cb61ac674c7a2e7e3e

          SHA256

          153343e74153529e8ab971b09fd70678659339e942e712796f11b48a3565dabe

          SHA512

          aeb7316c93dbf374257eec186368f126342290c3c257248c2d88601788a56ee32428d0c92067f371019a53f2c070fadbbe8417ef3b9cc7ee5caaa42e98744613

        • C:\Users\Admin\Documents\GuardFox\3QtCG5MsOwnyy8ZAZ0HGdVhu.exe

          Filesize

          278KB

          MD5

          d99abd78790b7f5f4c644bff969945c4

          SHA1

          87a46f190a0631bfe9ec07792d9360b03b9a12e2

          SHA256

          319e66822b0f7619639ff1f1f83519b79d85075ea4307465f887e4ed25994ec6

          SHA512

          6c3214fd5f9244b885bb2a16a5691d857cb6a52d3a3bf1d51b0a2ee809b4f343f54651b5fdc843b45b117154fff185a85acacc175d715cc12149fabf7dfee307

        • C:\Users\Admin\Documents\GuardFox\4oFHfKrRabUif8qTIYUYEYjA.exe

          Filesize

          2.0MB

          MD5

          784450eac1c4e1697800934ebd44a294

          SHA1

          de0adb7f738598e6aaf6e01bc3ce9166d2c618df

          SHA256

          e00cc8b9cc90e9faadca335fa17acbbff80d02b7b0e8978d6b5e1db066321285

          SHA512

          7f6e3046e4362de82711098855fcd69b1b9fc49941e126a35fb36e47e72ea0c93e8f9cd61e82e9324a96a8af48e3abe4151b2551ededcc4647959b187e57c530

        • C:\Users\Admin\Documents\GuardFox\6ektGXZjglVNfoXr6ZKoFo40.exe

          Filesize

          243KB

          MD5

          d579c5a7e5e353deecb839366857ff41

          SHA1

          ed29eabebf3446a8b73f2fce30f3511c041a8e81

          SHA256

          2efcf5503ae113a22f39599e7bd606d54058462d8c69326ee361c52488551779

          SHA512

          11d1b5882c3ae78670144e5bd7c8c79850206f8a00dd5856be4358cc4700dcadc52efe682dcd24ed9d69ca5228e68731e426be9e41b2393ec784494bba7e5978

        • C:\Users\Admin\Documents\GuardFox\ABgNp3UUzlZKtzgRgdKZwJh5.exe

          Filesize

          744KB

          MD5

          ee0580d0d373fc4eca7eba585db765a4

          SHA1

          d878a360694b418ab419d1c6b994ff618a284659

          SHA256

          036f52a5fa078d3f8d8e0b3d788aeb46f119dd014bb67381fda8f44705a20ed0

          SHA512

          915de9d0fdcbe78c8d0bcc6dba1683d57798903460666f5ff634c72a4660fe69a4c57d64ab03d8f92d85a6b33c91da14ee2f1e227b2af9988b220c05581c6004

        • C:\Users\Admin\Documents\GuardFox\B7RADoqALO1RuVp9jvuXIW_E.exe

          Filesize

          252KB

          MD5

          b3d312aceaff49ae3837686d7192b0b7

          SHA1

          d2f9d09e294c1d830fa2ff376f3a02522fa15031

          SHA256

          5ed6e47d975f28bdc19caf14deaae171d1f6f8f57f848565bb665c3ef1e92958

          SHA512

          b3c79062196242631643983daea1a470604c866fd1ff611810ec4ab7c8db0e3c3c06b67f18e2f2e1c18a5611ff9e4798d6af594f23c0a8c7b39bc23296283002

        • C:\Users\Admin\Documents\GuardFox\DAkBRjtvvfMT5lCueWvFE9ZJ.exe

          Filesize

          297KB

          MD5

          9263197aa58e0e5bce76cce8f6323a9c

          SHA1

          06cf5f4f2c3b8a7cbf8064f15f4e6f988197470b

          SHA256

          ef798468db36b921f6c2830f5eb95c6e31b5e118f10a0aea9e944960cdf96a16

          SHA512

          cdf2f98ac3aa9efddb8908ce1101f429bb390617638d3fdd1ad698fa03727c183879d68a4a1ee8b15a12b1f7c840b8d6df1f6fb63a95ff2ce8d0e5a40bd77fab

        • C:\Users\Admin\Documents\GuardFox\Edjb4RRR3jZOhiVXJ3s6spmj.exe

          Filesize

          4.1MB

          MD5

          c5eb9b3f3fbf70ae0eab46a342fa198c

          SHA1

          fe26c6f495bc60e5b01ca4fee31cd46b2859f958

          SHA256

          d7d7c122dc00c2f597b54f0ed215a276487573e43a8234d5c38c5d8f25b0b6bb

          SHA512

          83cf97459921b57954539cbf67853cebfd9ea2ddadfb945c57c918dc97e46a3e35dceb60481ae5e7407159997d88b1167bd12bf6b16f1376bfd868004a231776

        • C:\Users\Admin\Documents\GuardFox\Hdxg72goh9ccSC32n1xBbkvY.exe

          Filesize

          5.0MB

          MD5

          68813e7402910c1f613fc65c759a92ad

          SHA1

          8a9af0a4a6c1d1683d8badf0a2a9f93962a659dc

          SHA256

          eb14e6bb33f96e63d91ceef679be9b28c5fe040c500fb171edabbc4603a6f5ba

          SHA512

          2ee6618293c8b7faa98cc59adc5df5f7a8195dc6283b0d51635b8cf1746cfd366d060a723a37da78c2801aaa301b52175c065100dd94dcb88b3e92e7e52079e1

        • C:\Users\Admin\Documents\GuardFox\JVMQgRQrbp6TM5WJEvxJch2D.exe

          Filesize

          3.5MB

          MD5

          afc05b91ee9eb724b6fae963aac577e6

          SHA1

          d41a9d7f9ca1a4b33b2dbb22fe51d792400d174b

          SHA256

          62b9beaee1735e18e0d4b7511a839a0395beaa23b14a8dd010b5448bb188f232

          SHA512

          957942744e0b9ae4b3bf88432c1c2264bcc5ce65f0b2804566c7d0bf9cbb38b090fcea24da7b0e9c927f7633c50fda89b5b57e60d7bc9b1d08f5207743fbb145

        • C:\Users\Admin\Documents\GuardFox\QPiijHb1uQjyzqvOI8U6wCgW.exe

          Filesize

          285KB

          MD5

          059a930e5f33a348b709f78ffc01e9e4

          SHA1

          b0595414e0964aa87d465ae7e5aad105c660e1c4

          SHA256

          17bf11baccfc41056deed1f7658ca2183c34cff636c9372b1ecb812cdb4efea2

          SHA512

          db1e32f74765ca1eb64b32202cda9a6b4477b2a38729a15ba1e6761c5c38f30d1c44aa9bdbb217df206fa16f6d82c414a00a0f3a52c7e66fcd967887a22041ec

        • C:\Users\Admin\Documents\GuardFox\T6x_RyS9YRTNUaw9837KTMMV.exe

          Filesize

          243KB

          MD5

          1d92b6531231fda6f3a0be22e8ea931d

          SHA1

          84ea2de7a16c88e7589e26ece5c42a7e3b06eaeb

          SHA256

          aa0b809a439ba1de9d684a453e1a78a3d32fb00c1c61057f2d80ba2604f6a1f7

          SHA512

          e1cf96ab3730a435ca6e9c94619ba349c1e5da9f54fd3601eea03999ce1be59913347d460b4fff2c059ca257e238bb9720befadb0c2f4ec0e4f62c912c03ac66

        • C:\Users\Admin\Documents\GuardFox\UzI89IC8o2io8hYodF9d66hb.exe

          Filesize

          1.7MB

          MD5

          e17e75a0b28e5002efd9385e0e250a9e

          SHA1

          0bec948af16f475edfae75cfda362ee15993f02e

          SHA256

          d6c37e10b2b68888122e14a10a3f0f345d442a5e1cc90b86db32266e19a2b25c

          SHA512

          56af50f4bc561b9097d2ab206a655db7c49ad840cbd48aa34a601d177282c194f6c4c6716ee11ceb7132908d270c3831869a663dda8ad1ebebeda43360841ff1

        • C:\Users\Admin\Documents\GuardFox\fNMuOws2wE8Kyxezw9EJw9EA.exe

          Filesize

          253KB

          MD5

          fe6a5d860f6219d8c715bc0c632cfa39

          SHA1

          6b90dbab88bf47e9514c0cc572110218ea537a4f

          SHA256

          94ea7e57931224e4b9ff0d5cda33fb14004376c89171d14b084133b0289bac17

          SHA512

          12238daf4e7486562a7bb18038f399b7a127eb60f649234d47024d6392e9cef7c1ad2bd0a080e84ef03d4e8ca88ac6a6694ee0523fc361e699638c68d01b28d0

        • C:\Users\Admin\Documents\GuardFox\iD8lZ_BfLMq_KCwGeuNLqonc.exe

          Filesize

          251KB

          MD5

          5c666aed70980ea1d08ad44459eaacaa

          SHA1

          800d5a7826018c9ca3093cca18b41989d086a370

          SHA256

          b5724d1ea8d2a379e0989ab74ab7719ed93d94dee8638b3dc31e53569cc36107

          SHA512

          fdf44e1c4ee18a8d67334cce30a22cf391ad48ad95c92f858f35e2090cd5cf5029240a2e7bbe4a7a924d75d5c3c9c616115baeb02af08c2c285e46f53312a5fc

        • C:\Users\Admin\Documents\GuardFox\q66wViB_afKV2UQ1zys6Q7Tq.exe

          Filesize

          2.4MB

          MD5

          b44537218ac2e8e3c3271702059d73c8

          SHA1

          04bb88767910670d19616031528aa18d16c40789

          SHA256

          8a1d711b53f063158d84141a2b1b0264d51ee93c2b0d051deb32f5b5a2753bb4

          SHA512

          785692f5a7854d67f312eb22b7cb0b7856fb2ddd52216f2bb1cb12655fc545f2c100bce93e56e4e535e996bd80157cc967e1464ec403d6ed6a877a25c559e8d4

        • C:\Users\Admin\Documents\GuardFox\tGKV60vFol3UOZfSzJfK2mNW.exe

          Filesize

          3.1MB

          MD5

          2d21ebfcf206ae5631316fd0f7c603db

          SHA1

          92446cea362d5add4806f32c4b49e20a1b182f87

          SHA256

          c25a710cb692137bf2bfa758b4dd2bbcc3743c6eedff481581e16d4adbd9db53

          SHA512

          d44a2bab9482140914240ab4d813af51cc243ac7e1e267cdbe8bf36b79de83bd8d0c581e502c7b05fdcf6fb54dcccc3e5bdb52a4041ac39e37aade918b3ad004

        • C:\Users\Admin\Documents\GuardFox\xZ97Cls80mpS343abB2Gr4hv.exe

          Filesize

          3.8MB

          MD5

          1495b8599e510cca894677a4d7aa6afe

          SHA1

          86f41c8bfb9aa3743cf6e9a5d92300d7dd261944

          SHA256

          e4afe4efb43ddb45821e1ab6fa514ea14864396caee15d9f27ffa3b43a55e7bb

          SHA512

          9de9ab5f5cd5ae9d14e13f7776116b6dce787e851ad8af2489fa238860519e6f362c8282125773b14502946082b70f6b819f0d03fc8de12945314504e8e7d17e

        • C:\Users\Admin\Documents\GuardFox\yAQsCZBY4FiFwzaAAw1E0VrG.exe

          Filesize

          2.2MB

          MD5

          406a6cc6b23a53f5012a199db566f2c8

          SHA1

          bb352745d6eb6a740e365c73106cf93b4f5de41b

          SHA256

          0c8c4f2e9e9a36562aaef71109423a6b84e3796f50c7660ed1a6e0ef4e9fee2c

          SHA512

          cea8c2dafe8fa973d69d2b374db91b76252feac0b5639260a601be9316eb58dfda1e72ff2625b5e05b38044ae3705d0134dd718b7811f64618af4236dc2507f9

        • memory/488-312-0x00007FFCEE870000-0x00007FFCEE872000-memory.dmp

          Filesize

          8KB

        • memory/488-309-0x00007FFCEFD10000-0x00007FFCEFD12000-memory.dmp

          Filesize

          8KB

        • memory/488-314-0x00007FFCED920000-0x00007FFCED922000-memory.dmp

          Filesize

          8KB

        • memory/488-315-0x00007FFCED930000-0x00007FFCED932000-memory.dmp

          Filesize

          8KB

        • memory/488-313-0x00007FFCEE880000-0x00007FFCEE882000-memory.dmp

          Filesize

          8KB

        • memory/488-316-0x00007FF75A8A0000-0x00007FF75B181000-memory.dmp

          Filesize

          8.9MB

        • memory/488-311-0x00007FFCEFD30000-0x00007FFCEFD32000-memory.dmp

          Filesize

          8KB

        • memory/488-310-0x00007FFCEFD20000-0x00007FFCEFD22000-memory.dmp

          Filesize

          8KB

        • memory/488-308-0x00007FF75A8A0000-0x00007FF75B181000-memory.dmp

          Filesize

          8.9MB

        • memory/488-454-0x0000026288C90000-0x0000026288D0F000-memory.dmp

          Filesize

          508KB

        • memory/488-539-0x00007FF75A8A0000-0x00007FF75B181000-memory.dmp

          Filesize

          8.9MB

        • memory/3236-550-0x00007FF75A8A0000-0x00007FF75B181000-memory.dmp

          Filesize

          8.9MB

        • memory/3236-557-0x00007FF75A8A0000-0x00007FF75B181000-memory.dmp

          Filesize

          8.9MB

        • memory/3236-561-0x00007FF75A8A0000-0x00007FF75B181000-memory.dmp

          Filesize

          8.9MB

        • memory/4336-542-0x00007FF75A8A0000-0x00007FF75B181000-memory.dmp

          Filesize

          8.9MB

        • memory/4336-546-0x00007FF75A8A0000-0x00007FF75B181000-memory.dmp

          Filesize

          8.9MB

        • memory/4336-534-0x00007FF75A8A0000-0x00007FF75B181000-memory.dmp

          Filesize

          8.9MB