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Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    16/05/2024, 05:45

General

  • Target

    fe887df6d357a4d136f5d71801156d9a9e9803065747befd6189bb7e4f68495a.exe

  • Size

    70KB

  • MD5

    07eecb0a6ed8e194ef7afb16ce32dfd1

  • SHA1

    ce5b6630eade9e77d314f2efe50199890b256e7d

  • SHA256

    fe887df6d357a4d136f5d71801156d9a9e9803065747befd6189bb7e4f68495a

  • SHA512

    5f1e941ba21db751b41b8f011650aeafb5e94f5776cd5b701e5f5157b4f1497740aa3d7330d1dbf6be8762aea60308685f5f9e97f7a5e94cc7ea508a62992d53

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slp: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:432
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1200
        • C:\Users\Admin\AppData\Local\Temp\fe887df6d357a4d136f5d71801156d9a9e9803065747befd6189bb7e4f68495a.exe
          "C:\Users\Admin\AppData\Local\Temp\fe887df6d357a4d136f5d71801156d9a9e9803065747befd6189bb7e4f68495a.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1432
          • C:\Windows\SysWOW64\oufgacif-eagooc.exe
            "C:\Windows\system32\oufgacif-eagooc.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:2180
            • C:\Windows\SysWOW64\oufgacif-eagooc.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2660

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\cbedoog-ukum.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\efvinix-oudooc.exe

        Filesize

        74KB

        MD5

        28474e37f92c3dc15097d0db5931ad52

        SHA1

        554d8d7a321a1f41d69e960da8d9ace1dd3fadf9

        SHA256

        a2ed7b5ad3c7bbaedcc3d13c9d5d4f1711e8ddac2d63621e1bba95c3751e4502

        SHA512

        83862bf93c836362a162a50a9c7b1b91512c0afbb50764dbc659288eb48760b499d53433d7fc88550fbd36b90febdeaebf47a87d0bc3ebb52f8e257ed1425af3

      • C:\Windows\SysWOW64\oubboasat-com.exe

        Filesize

        73KB

        MD5

        58d72efc2b9f1e46a616fc5cd1247408

        SHA1

        7baa247fb7d2d1df1caf908320abdbca246b2872

        SHA256

        30ffeb28b784864a404eb321c48d266fdc0440458b1ff20441a10a7c625d1cd2

        SHA512

        9cd59ce82ccbf240782f5f9959507e333d178b81f3a32d3c4992e9b9d9560986d048d0f8dccb38d47e23fc529316b1a2fc214bfdca122dda3b4b9698c833edd1

      • C:\Windows\SysWOW64\oufgacif-eagooc.exe

        Filesize

        70KB

        MD5

        07eecb0a6ed8e194ef7afb16ce32dfd1

        SHA1

        ce5b6630eade9e77d314f2efe50199890b256e7d

        SHA256

        fe887df6d357a4d136f5d71801156d9a9e9803065747befd6189bb7e4f68495a

        SHA512

        5f1e941ba21db751b41b8f011650aeafb5e94f5776cd5b701e5f5157b4f1497740aa3d7330d1dbf6be8762aea60308685f5f9e97f7a5e94cc7ea508a62992d53

      • memory/1432-9-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2180-55-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2660-56-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB