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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 22:51

General

  • Target

    6f89415d64345f364cbf8fa6394c5228d949912354a3e1b01eb899dd4f1969a5.exe

  • Size

    69KB

  • MD5

    4ed3db577e8a97cf4804584b25217c16

  • SHA1

    d12b4369e424221ac9dfd701fbe7a999fd9f5b43

  • SHA256

    6f89415d64345f364cbf8fa6394c5228d949912354a3e1b01eb899dd4f1969a5

  • SHA512

    8f0bbc856939131029e32d446cbb163a3d04c57715586780066c5d72ea4858a281a2bf8857e4c9622cc0739fe06dfe63713bd8d9daf7864fd35230a219be759d

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8Ij:Olg35GTslA5t3/w8a

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 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3420
        • C:\Users\Admin\AppData\Local\Temp\6f89415d64345f364cbf8fa6394c5228d949912354a3e1b01eb899dd4f1969a5.exe
          "C:\Users\Admin\AppData\Local\Temp\6f89415d64345f364cbf8fa6394c5228d949912354a3e1b01eb899dd4f1969a5.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4948
          • C:\Windows\SysWOW64\eaknoomes-osat.exe
            "C:\Windows\system32\eaknoomes-osat.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:3484
            • C:\Windows\SysWOW64\eaknoomes-osat.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2352

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\eaknoomes-osat.exe

        Filesize

        69KB

        MD5

        4ed3db577e8a97cf4804584b25217c16

        SHA1

        d12b4369e424221ac9dfd701fbe7a999fd9f5b43

        SHA256

        6f89415d64345f364cbf8fa6394c5228d949912354a3e1b01eb899dd4f1969a5

        SHA512

        8f0bbc856939131029e32d446cbb163a3d04c57715586780066c5d72ea4858a281a2bf8857e4c9622cc0739fe06dfe63713bd8d9daf7864fd35230a219be759d

      • C:\Windows\SysWOW64\easkuxoos-osoas.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\ogpafoot-ovooc.exe

        Filesize

        72KB

        MD5

        b2fb5687f13374f99c92c8fe0d6faa42

        SHA1

        ec0c482c62c82c39425749b413e26e2e77a29f5f

        SHA256

        d9894a8b19a211f5e9f6b5b81168bebe0ede4aa905ca9b4557205fd624406c58

        SHA512

        a15bf38d7ee1a28e840d24522762a51d33e8fa04d61f814d4c976b2b13e82e7bc6a89f95602af12d6168ac50f47d7fdc39f06fd31a53d8081f7f41506830f2fc

      • C:\Windows\SysWOW64\udbookead.exe

        Filesize

        71KB

        MD5

        2a96871b0a5058832e999ee0f44957b9

        SHA1

        7f4820b40766d654a12bde63db13029f4417976a

        SHA256

        ee7760468130db42cef1c93cfdabf4880bf8c50047b998c0148b24562507252d

        SHA512

        1ae19239145f221fb53ef99bd56b474a9aec0fce537a464061582dca4932a0ecb7e3580a2f1013923726713f9f16855a45fab36d6bb4704eb651e51fefa0e4a7

      • memory/4948-5-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB