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Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/03/2024, 02:10

General

  • Target

    cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe

  • Size

    69KB

  • MD5

    594c788a2ada52e89fd02e266f6d8aa0

  • SHA1

    fd7e5af4f7f6a98e738e047fac322387bcc4ddcb

  • SHA256

    cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852

  • SHA512

    4790792043fcb67fdf6dd68fdae82a633d2f170c0dacb18db86539388f0208a99a5b28f7b9b3b0575696d1c7c401a8606061bbf3b328e10847d8329fd4b1a91c

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8fya:Olg35GTslA5t3/w8f

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:1104
        • C:\Users\Admin\AppData\Local\Temp\cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe
          "C:\Users\Admin\AppData\Local\Temp\cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1908
          • C:\Windows\SysWOW64\uvtaxeaf.exe
            "C:\Windows\system32\uvtaxeaf.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:2700
            • C:\Windows\SysWOW64\uvtaxeaf.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2040

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\atneveh.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\evdogos.exe

        Filesize

        72KB

        MD5

        e1e4c9eee6e4c2efc7026763b080bfe9

        SHA1

        4be70be6b7ecd97c91b15ef55b1780a47509bd43

        SHA256

        1dc16e2309947279eab136639e2bf4af59679506e718b410c41c6c053695af45

        SHA512

        20fdd17f066b6552820b316e3a5b999d32126a4bc9ec105a2e54cccc8d5b68ab374ebb9b90ef58552f97e622fc8cd6c83bc01bd28c8453d7692fd5ab4157ae06

      • C:\Windows\SysWOW64\oukpeakid.exe

        Filesize

        71KB

        MD5

        f4d92cd3cdb4cd060f20569fbaa2bf49

        SHA1

        97c1fc6dd8b2d636d8675d1550a8ed94ca8b1055

        SHA256

        c4a400df243a69d77414545ce30971781a85abd732007f9ed4e0f999301cb206

        SHA512

        8b3fa4ad70bd906336b00ffa46e121a0eec3451e1bc179067f02a2998753e790ad5513f982419016777cbca64b3392b4172067b8faf8db084bd89765fae54273

      • \Windows\SysWOW64\uvtaxeaf.exe

        Filesize

        69KB

        MD5

        594c788a2ada52e89fd02e266f6d8aa0

        SHA1

        fd7e5af4f7f6a98e738e047fac322387bcc4ddcb

        SHA256

        cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852

        SHA512

        4790792043fcb67fdf6dd68fdae82a633d2f170c0dacb18db86539388f0208a99a5b28f7b9b3b0575696d1c7c401a8606061bbf3b328e10847d8329fd4b1a91c

      • memory/1908-9-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2040-56-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2700-55-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB