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Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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
  • Loads dropped DLL 3 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:436
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1380
        • C:\Users\Admin\AppData\Local\Temp\6f89415d64345f364cbf8fa6394c5228d949912354a3e1b01eb899dd4f1969a5.exe
          "C:\Users\Admin\AppData\Local\Temp\6f89415d64345f364cbf8fa6394c5228d949912354a3e1b01eb899dd4f1969a5.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3028
          • 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
            • Loads dropped DLL
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2212
            • C:\Windows\SysWOW64\eaknoomes-osat.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2764

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • 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

        595907119964fe7d84d2b5e4aa0b6aba

        SHA1

        fc1aa1ebc0126cb2c554113a8e659be38178b48e

        SHA256

        9a4ce2f154aa826e1abbd3fa663416369d54dad49c56e9d4ace25bfaceaa8b00

        SHA512

        0e486714b4d1533b9c07f4ab700a40f9b6aa1303302fa5ef9edcb1a7110478ac87a3d2ac70502e219e71f6738e538c350f1c2c1424d9fa8605ad6c5760ca222f

      • C:\Windows\SysWOW64\udbookead.exe

        Filesize

        71KB

        MD5

        2b59966d3eb63920cec9f37dc77adbcd

        SHA1

        4df8affc78a9b0a99ed66603b5ff006ff763aeeb

        SHA256

        d3fd6d6ee73df1771393e341308df49d01f631ebbcf6e45d10cb64f286b7d904

        SHA512

        c8352c78d90a99956eb583f24c058b51dedaa810426582353c24784292de97f3235d39619c0d3525253a9616048ed9fd849e6617c339df796789b54d02f2290f

      • \Windows\SysWOW64\eaknoomes-osat.exe

        Filesize

        69KB

        MD5

        4ed3db577e8a97cf4804584b25217c16

        SHA1

        d12b4369e424221ac9dfd701fbe7a999fd9f5b43

        SHA256

        6f89415d64345f364cbf8fa6394c5228d949912354a3e1b01eb899dd4f1969a5

        SHA512

        8f0bbc856939131029e32d446cbb163a3d04c57715586780066c5d72ea4858a281a2bf8857e4c9622cc0739fe06dfe63713bd8d9daf7864fd35230a219be759d

      • memory/2212-55-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2764-56-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3028-9-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB