Analysis

  • max time kernel
    157s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2024, 17:40

General

  • Target

    a9c3b4e0c75228b547728fe1cad41a58.exe

  • Size

    131KB

  • MD5

    a9c3b4e0c75228b547728fe1cad41a58

  • SHA1

    b913b2b9c5a17f2ec434670edf0114cfcba9911b

  • SHA256

    b438ef316d9ad5e8d550adfbd7b25db9d4ce7d01f36d321ca106ff829d5967dd

  • SHA512

    ef0563cda7043e773aaa5718cc2e9828a472218dab33da24beae648a1d8ecac76ee6928a2a7359b0010d59c6a3ad2b5554224a4e379ab31774653ddd16a10168

  • SSDEEP

    3072:dnF8+jjpttwareO5hUifAKTe+OdPlh+wXs7jZgcs:dTFYdkOPlh+NHns

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • 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 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9c3b4e0c75228b547728fe1cad41a58.exe
    "C:\Users\Admin\AppData\Local\Temp\a9c3b4e0c75228b547728fe1cad41a58.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\51b184.exe
      C:\Windows\system32\51b184.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4860
    • C:\Windows\SysWOW64\gggg27.exe
      C:\Windows\system32\gggg27.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1436
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4036 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4852

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8ZO46T3J\bullet[1]

            Filesize

            447B

            MD5

            26f971d87ca00e23bd2d064524aef838

            SHA1

            7440beff2f4f8fabc9315608a13bf26cabad27d9

            SHA256

            1d8e5fd3c1fd384c0a7507e7283c7fe8f65015e521b84569132a7eabedc9d41d

            SHA512

            c62eb51be301bb96c80539d66a73cd17ca2021d5d816233853a37db72e04050271e581cc99652f3d8469b390003ca6c62dad2a9d57164c620b7777ae99aa1b15

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8ZO46T3J\errorPageStrings[1]

            Filesize

            4KB

            MD5

            d65ec06f21c379c87040b83cc1abac6b

            SHA1

            208d0a0bb775661758394be7e4afb18357e46c8b

            SHA256

            a1270e90cea31b46432ec44731bf4400d22b38eb2855326bf934fe8f1b169a4f

            SHA512

            8a166d26b49a5d95aea49bc649e5ea58786a2191f4d2adac6f5fbb7523940ce4482d6a2502aa870a931224f215cb2010a8c9b99a2c1820150e4d365cab28299e

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8ZO46T3J\navcancl[1]

            Filesize

            2KB

            MD5

            4bcfe9f8db04948cddb5e31fe6a7f984

            SHA1

            42464c70fc16f3f361c2419751acd57d51613cdf

            SHA256

            bee0439fcf31de76d6e2d7fd377a24a34ac8763d5bf4114da5e1663009e24228

            SHA512

            bb0ef3d32310644285f4062ad5f27f30649c04c5a442361a5dbe3672bd8cb585160187070872a31d9f30b70397d81449623510365a371e73bda580e00eef0e4e

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BHC2O5WS\ErrorPageTemplate[1]

            Filesize

            2KB

            MD5

            f4fe1cb77e758e1ba56b8a8ec20417c5

            SHA1

            f4eda06901edb98633a686b11d02f4925f827bf0

            SHA256

            8d018639281b33da8eb3ce0b21d11e1d414e59024c3689f92be8904eb5779b5f

            SHA512

            62514ab345b6648c5442200a8e9530dfb88a0355e262069e0a694289c39a4a1c06c6143e5961074bfac219949102a416c09733f24e8468984b96843dc222b436

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BHC2O5WS\background_gradient[1]

            Filesize

            453B

            MD5

            20f0110ed5e4e0d5384a496e4880139b

            SHA1

            51f5fc61d8bf19100df0f8aadaa57fcd9c086255

            SHA256

            1471693be91e53c2640fe7baeecbc624530b088444222d93f2815dfce1865d5b

            SHA512

            5f52c117e346111d99d3b642926139178a80b9ec03147c00e27f07aab47fe38e9319fe983444f3e0e36def1e86dd7c56c25e44b14efdc3f13b45ededa064db5a

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BHC2O5WS\httpErrorPagesScripts[1]

            Filesize

            11KB

            MD5

            9234071287e637f85d721463c488704c

            SHA1

            cca09b1e0fba38ba29d3972ed8dcecefdef8c152

            SHA256

            65cc039890c7ceb927ce40f6f199d74e49b8058c3f8a6e22e8f916ad90ea8649

            SHA512

            87d691987e7a2f69ad8605f35f94241ab7e68ad4f55ad384f1f0d40dc59ffd1432c758123661ee39443d624c881b01dcd228a67afb8700fe5e66fc794a6c0384

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\info_48[1]

            Filesize

            4KB

            MD5

            5565250fcc163aa3a79f0b746416ce69

            SHA1

            b97cc66471fcdee07d0ee36c7fb03f342c231f8f

            SHA256

            51129c6c98a82ea491f89857c31146ecec14c4af184517450a7a20c699c84859

            SHA512

            e60ea153b0fece4d311769391d3b763b14b9a140105a36a13dad23c2906735eaab9092236deb8c68ef078e8864d6e288bef7ef1731c1e9f1ad9b0170b95ac134

          • C:\Windows\SysWOW64\51b184.exe

            Filesize

            34KB

            MD5

            f4de3320a3c2a33bb44d578f61683519

            SHA1

            5e34e12a0287663fa66a79b247dd390fd9dd8616

            SHA256

            b60465b421067bb4da5b8728455d86abd57387ec22d9e747ababf09444496a7a

            SHA512

            628bffbcee62f5c7ffc3684e7641ac346a621d669b25280f252e60ab196a289f6da288c28e6401a7683726aa41913deeb9766a51caade6bda13101df0bffa9d3

          • C:\Windows\SysWOW64\MSINET.OCX

            Filesize

            112KB

            MD5

            7bec181a21753498b6bd001c42a42722

            SHA1

            3249f233657dc66632c0539c47895bfcee5770cc

            SHA256

            73da54b69911bdd08ea8bbbd508f815ef7cfa59c4684d75c1c602252ec88ee31

            SHA512

            d671e25ae5e02a55f444d253f0e4a42af6a5362d9759fb243ad6d2c333976ab3e98669621ec0850ad915ee06acbe8e70d77b084128fc275462223f4f5ab401bc

          • C:\Windows\SysWOW64\MSWINSCK.OCX

            Filesize

            105KB

            MD5

            9484c04258830aa3c2f2a70eb041414c

            SHA1

            b242a4fb0e9dcf14cb51dc36027baff9a79cb823

            SHA256

            bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

            SHA512

            9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0

          • C:\Windows\SysWOW64\gggg27.exe

            Filesize

            11KB

            MD5

            3a8c12fbdc005004714b8ba7cb65eb8c

            SHA1

            724c49a2ad6760cb5f918b2bbfa2b041181cda00

            SHA256

            c3811f0663fda0242ec114f4979dc921ce7c5d8698a3502f0cddac39c98d0a83

            SHA512

            629c439358985735f59942806bd0eb220c4a957059df303229e2700eefce0a48ed1b971ae8b0f31b61cecb4415ac5e7d5caabc750d59af66855f039e262e97a3