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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
  • 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:588
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3440
        • C:\Users\Admin\AppData\Local\Temp\cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe
          "C:\Users\Admin\AppData\Local\Temp\cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1884
          • 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
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3688
            • C:\Windows\SysWOW64\uvtaxeaf.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:1828

      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

        f957dda09bd6fed2c60c690d3589bf06

        SHA1

        39be6877813c01261aa29cefc668b5acbb612b25

        SHA256

        43ce63ef5bc0b26af2dfdbdd16e917d7424c7d25d456b1068ba710c240a89ec1

        SHA512

        99933676d2789ec52b408531ff5c741e3b98370057111aaefc333ee42d1def3eaa9466bedde219ba3ea6c9725240fd5ee1bca7bb39d5842ffb2a53ad48590fbc

      • C:\Windows\SysWOW64\oukpeakid.exe

        Filesize

        71KB

        MD5

        26aa12ad8555ff8a6c2bbbaf6cb63d73

        SHA1

        2ee2f9212b8972dfa201c8213691eefe47acc802

        SHA256

        5e0c7d14f1cb59c5ba7d9955cb4099da6cc29f7c6eee4b1abb70e83a017839e9

        SHA512

        7696ce32779b941ed8139afd1263857082d155a798365cf10c67440d5cf69c83345707fc3e02fba1d3ebcdff4a336b33f6d34db0c45d667e77de5b2e2e89e662

      • C:\Windows\SysWOW64\uvtaxeaf.exe

        Filesize

        69KB

        MD5

        594c788a2ada52e89fd02e266f6d8aa0

        SHA1

        fd7e5af4f7f6a98e738e047fac322387bcc4ddcb

        SHA256

        cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852

        SHA512

        4790792043fcb67fdf6dd68fdae82a633d2f170c0dacb18db86539388f0208a99a5b28f7b9b3b0575696d1c7c401a8606061bbf3b328e10847d8329fd4b1a91c

      • memory/1884-6-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB