Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    11-05-2024 04:51

General

  • Target

    e49f87a30f54ee94b55ff456f5d81988762b4813b60b27e9921949eda4422b51.exe

  • Size

    70KB

  • MD5

    3fc8339fbd24cbacec430cdb5738debd

  • SHA1

    ca9a6f1a35f558b8ad570c8ff0fdb45e6bcbb36b

  • SHA256

    e49f87a30f54ee94b55ff456f5d81988762b4813b60b27e9921949eda4422b51

  • SHA512

    953b1c37fce0d46c9bee7b73fdb548304002d3e7b7ab2b5e4cf600f8ac46793e05cb78f2c18ba4a668e586358be5d74946312a60aba53166a2adbdb0b28c42f8

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8F: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:436
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1136
        • C:\Users\Admin\AppData\Local\Temp\e49f87a30f54ee94b55ff456f5d81988762b4813b60b27e9921949eda4422b51.exe
          "C:\Users\Admin\AppData\Local\Temp\e49f87a30f54ee94b55ff456f5d81988762b4813b60b27e9921949eda4422b51.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2172
          • C:\Windows\SysWOW64\eafbookip-ugooc.exe
            "C:\Windows\system32\eafbookip-ugooc.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:2856
            • C:\Windows\SysWOW64\eafbookip-ugooc.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2628

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\bvoaseb-ouvom.exe

        Filesize

        72KB

        MD5

        5895d0c63af34236e176393ae39a0421

        SHA1

        f046f53caf09655208094f16ff37fdd53437b583

        SHA256

        c00ffbf402fb3745c977e9dbd3bc7362fe5e6105bd52b7fa0fd48b4cd8c100e6

        SHA512

        ede07426b0dc9ea077dcc9a6a5db99cb6bea32d65fa32895e59e547662e86a364772fc45d31df4baf7d5769f3199b61e5de320745bdaed997f5d7f7107e83aa2

      • C:\Windows\SysWOW64\ucmonib.exe

        Filesize

        73KB

        MD5

        ae78f0523e4338a7f88830ab8dce8966

        SHA1

        0ef23dc06e226f5339532594dbc8b117fbe0e04a

        SHA256

        9e6fea838b66dd2ae897b14a9c65394dfbf2e69a7272086b310c1707404ef53f

        SHA512

        176033bba865d816774ba8ca61380c4d1519fc3484d83e6208a20efd9ed82add7797bf2a9f8afbeff48f8d439b8ee040c2775c1d186e60e22df1d275d56db4f1

      • C:\Windows\SysWOW64\umpitood.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • \Windows\SysWOW64\eafbookip-ugooc.exe

        Filesize

        70KB

        MD5

        3fc8339fbd24cbacec430cdb5738debd

        SHA1

        ca9a6f1a35f558b8ad570c8ff0fdb45e6bcbb36b

        SHA256

        e49f87a30f54ee94b55ff456f5d81988762b4813b60b27e9921949eda4422b51

        SHA512

        953b1c37fce0d46c9bee7b73fdb548304002d3e7b7ab2b5e4cf600f8ac46793e05cb78f2c18ba4a668e586358be5d74946312a60aba53166a2adbdb0b28c42f8

      • memory/2172-9-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2628-56-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2856-55-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB