Analysis

  • max time kernel
    149s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-06-2024 03:27

General

  • Target

    cf288a04893ceaa0c1b3babf98c6b3e305f0a241101bf718ab092edcc370e37d.exe

  • Size

    70KB

  • MD5

    78a375c3b068e98d9631b4518698dc98

  • SHA1

    4fa555d193a09e0510685f0169283da42fd95f82

  • SHA256

    cf288a04893ceaa0c1b3babf98c6b3e305f0a241101bf718ab092edcc370e37d

  • SHA512

    90cde1dab923e137dba129949ffc637d29cf343a9f50d1e27908b0bdf87f296aaf71f4db8ed840b26d9c56fa9084b90375a25a4db46ee864de20156e4e70169f

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8e:Olg35GTslA5t3/w8e

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:616
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3476
        • C:\Users\Admin\AppData\Local\Temp\cf288a04893ceaa0c1b3babf98c6b3e305f0a241101bf718ab092edcc370e37d.exe
          "C:\Users\Admin\AppData\Local\Temp\cf288a04893ceaa0c1b3babf98c6b3e305f0a241101bf718ab092edcc370e37d.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3612
          • C:\Windows\SysWOW64\oulmeamop-gid.exe
            "C:\Windows\system32\oulmeamop-gid.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:4172
            • C:\Windows\SysWOW64\oulmeamop-gid.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2168

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\ifbikik-ofooc.exe

        Filesize

        73KB

        MD5

        a6c035859e37132c4874048db3546cbf

        SHA1

        80dd43d7eeda41c93455c581964dcb29191fd20e

        SHA256

        a1ac56a91e7bb69f49a8f85c8c899ec96ad9ad3b29f052ac08a945d507e2dd9c

        SHA512

        e137f36dfb4034395b925886fad1867c59267dc3b0b135e1fe417bf9db5ab8dbd7b4c3be33c95b1e987b3f369d1ba3cbc3ab3c10d06622b564b6609f8ab51842

      • C:\Windows\SysWOW64\lxuhoak-akix.exe

        Filesize

        74KB

        MD5

        1f58f96b7e1683d36c135243a1696a3a

        SHA1

        be71f2873da6d4cd2754dc39adcca475fc91ffe2

        SHA256

        ee816a768454f0aebf022f40715ba1d903794e3d68b5f07a3f5df83404cbe0d2

        SHA512

        9d87adc8d0040ca8b50b7dbb22e53cd2c0abef240940ad8c7714d0e3fd68b42e4c77d6402fd07dd0d136e2510b495cd6b35d294fb0948405eeaf2bf3ad057f69

      • C:\Windows\SysWOW64\oulmeamop-gid.exe

        Filesize

        70KB

        MD5

        78a375c3b068e98d9631b4518698dc98

        SHA1

        4fa555d193a09e0510685f0169283da42fd95f82

        SHA256

        cf288a04893ceaa0c1b3babf98c6b3e305f0a241101bf718ab092edcc370e37d

        SHA512

        90cde1dab923e137dba129949ffc637d29cf343a9f50d1e27908b0bdf87f296aaf71f4db8ed840b26d9c56fa9084b90375a25a4db46ee864de20156e4e70169f

      • C:\Windows\SysWOW64\uxxeatoox.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • memory/2168-50-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3612-5-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4172-49-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB