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Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/06/2024, 19:52

General

  • Target

    181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe

  • Size

    71KB

  • MD5

    b081ee26846da956a02d43dbaa64fa15

  • SHA1

    56e833e96abfc697be3dc61f6649be0c06493dc6

  • SHA256

    181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0

  • SHA512

    4750e62adc39dfcd72ac45bb48ae3e1141baa4474e83d103c017a9b0e8dc3632d8d68c1bd87b5cd99e193dd77f9759a45be736c4b63529386e6ced086bf5bea3

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8da:Olg35GTslA5t3/w8c

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:1192
        • C:\Users\Admin\AppData\Local\Temp\181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe
          "C:\Users\Admin\AppData\Local\Temp\181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1640
          • C:\Windows\SysWOW64\ebfucoan-easor.exe
            "C:\Windows\system32\ebfucoan-easor.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:1856
            • C:\Windows\SysWOW64\ebfucoan-easor.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2508

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\inxikuc.exe

        Filesize

        73KB

        MD5

        8ee564f1ece7e280eb67e12821eeaf54

        SHA1

        c681255c6f1542082f56a6d235eba9f5d6e72cce

        SHA256

        465ab4079d04ab5e8ff1b3c9c0bad075a1223f746bd1ac63e0f52e4d1e8e19fe

        SHA512

        c4ec50616b54cb5375b3deaa5cabbf21592e1e766e665553826878675899e27eb52883664102f8eb00578a07a307663c0d13f9b5ad76d671b701ea14f1df9f92

      • C:\Windows\SysWOW64\oulnukoot-igix.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\umkisix-ixid.exe

        Filesize

        74KB

        MD5

        bc178cf5b06ce28b69d4f51d7d5eaa64

        SHA1

        be7c761ee86df4f3ac4291be2a58aec6cf8bc811

        SHA256

        bf605e8b9645ea7236eb7a2f452ccfd79c9b636c262288f24c67c378e844d6e8

        SHA512

        cfd7b6306e32d3dfdbd49394fdb0909473cc9151bb475dcc5837a2db00f088a7e8575bea246b04d40d6c1fc95b72d4288b18cce2b84144300c64e2bbcf37cc51

      • \Windows\SysWOW64\ebfucoan-easor.exe

        Filesize

        71KB

        MD5

        b081ee26846da956a02d43dbaa64fa15

        SHA1

        56e833e96abfc697be3dc61f6649be0c06493dc6

        SHA256

        181c7d80195751561390fb5694765d40091f816e554f4918ed040b65a85d61e0

        SHA512

        4750e62adc39dfcd72ac45bb48ae3e1141baa4474e83d103c017a9b0e8dc3632d8d68c1bd87b5cd99e193dd77f9759a45be736c4b63529386e6ced086bf5bea3

      • memory/1640-9-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1856-55-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2508-56-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB