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Analysis

  • max time kernel
    152s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/05/2024, 10:51

General

  • Target

    392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe

  • Size

    73KB

  • MD5

    db35cead9d7c7be21bf0b21ff1577f70

  • SHA1

    d57da9adebf3809201f19e8d50b2b7756a29e4b0

  • SHA256

    392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de

  • SHA512

    2d5724e36ded0266ad209b308554b1a7f4bff6765140e0f1129f8e8c2341ef16d67e00164ac537380d710d43a3cb0ec265638cb6163cff235eea58fb0b71ebee

  • SSDEEP

    1536:xfEVrBeB9l909Lt7OpE4oUj1JYGE5pgkQRN2cm1xsE3g:iVA9lwtz4/WQRN2b1Pw

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Sets file execution options in registry 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:632
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3296
        • C:\Users\Admin\AppData\Local\Temp\392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe
          "C:\Users\Admin\AppData\Local\Temp\392772c314e9701d35a33c3a42f637f4bfee5262edb91c076c6ac4e0ed5777de.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:2332
          • C:\Windows\SysWOW64\evroohav-iseab.exe
            "C:\Windows\SysWOW64\evroohav-iseab.exe"
            3⤵
            • Windows security bypass
            • Modifies Installed Components in the registry
            • Sets file execution options in registry
            • Executes dropped EXE
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4112
            • C:\Windows\SysWOW64\evroohav-iseab.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:4356
      • 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=1316 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1132

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\atsixov.exe

          Filesize

          73KB

          MD5

          48927c5e8b1a6602ef5d124ddc237a33

          SHA1

          fd40a1a1c08edf882b3c673b7d7cc3ea0557f272

          SHA256

          39f25137e0aac3a5589531316f86f0cb3dd84c6b27cebf59935e361682c07f9b

          SHA512

          020b95944d6c885be4a522146b6397320cf61c589fc354de5e2cdf8e1ae10e866cd4ca6ddb5b2e0389a06aae1182e8ffc1b99e31dcc015a66dcc8a3787d8d5c4

        • C:\Windows\SysWOW64\axpabur-oudom.dll

          Filesize

          5KB

          MD5

          f37b21c00fd81bd93c89ce741a88f183

          SHA1

          b2796500597c68e2f5638e1101b46eaf32676c1c

          SHA256

          76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

          SHA512

          252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

        • C:\Windows\SysWOW64\evroohav-iseab.exe

          Filesize

          71KB

          MD5

          dc85d6897b9d7d3f6ffe677264fb7cf7

          SHA1

          75c13f2d47d8173f6c83d5f29fad37dd21fd8e2b

          SHA256

          da22d908926593b5275d7441e735d7223007edf8be058fd073b8a8536ad1e3c5

          SHA512

          1e334320445cf2d3180bd0fddc9819eb7f787eea5eeeabe592d5906dab06b88639fb143d25821a47f1db1af2ea331b129b4c9563cfcc0347b1bc8f249fcfd9d9

        • C:\Windows\SysWOW64\oupdobus.exe

          Filesize

          74KB

          MD5

          0ea0cae32e75b1be73626a5dc80a8ad9

          SHA1

          2a8bd12b72bbad76424b9bdd83d95057ab353aa2

          SHA256

          f47752e258c8f9d6c5ae73c992fd72f812fe1cf3724407b8e795f7771bfce288

          SHA512

          530d594c4ff4751941f27729835e33edce1030e464aad7d28bb02dd34b5b8832710b0c50438b6f704419dc31b135d7c89e76150ac23124d653c6919cdbd8e6d4

        • memory/2332-3-0x0000000000400000-0x0000000000403000-memory.dmp

          Filesize

          12KB

        • memory/4112-5-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4112-18-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4356-49-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB