Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-07-2024 00:45

General

  • Target

    9b4a50c559c96489800d8934776635587ec5530c590a315630dc6ae1a29778df.exe

  • Size

    70KB

  • MD5

    6c06b836e788b36769e7a3b2dbedb631

  • SHA1

    de5e91e4469f8e3e206fb211eada24961ca653f6

  • SHA256

    9b4a50c559c96489800d8934776635587ec5530c590a315630dc6ae1a29778df

  • SHA512

    bbd9a15b771e98913b3df307f8f6cc3573497895bef218f90ccfb3c55816636c3b8878180cbde06e81e40d8737252fda955c075f203ea6caeb8034630a9914f3

  • SSDEEP

    768:x/nGhX+OZMUpVzJKsMIWqH3N7GLCMa7kmewpUn/LwSUBPkvgjzkQyTDbAFd2Pm5W:xYX+EMU/zobY39qoowSUBPkzQyzAsGE/

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Event Triggered Execution: Image File Execution Options Injection 1 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 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:620
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3432
        • C:\Users\Admin\AppData\Local\Temp\9b4a50c559c96489800d8934776635587ec5530c590a315630dc6ae1a29778df.exe
          "C:\Users\Admin\AppData\Local\Temp\9b4a50c559c96489800d8934776635587ec5530c590a315630dc6ae1a29778df.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:4008
          • C:\Windows\SysWOW64\easkasav-oroas.exe
            "C:\Windows\SysWOW64\easkasav-oroas.exe"
            3⤵
            • Windows security bypass
            • Boot or Logon Autostart Execution: Active Setup
            • Event Triggered Execution: Image File Execution Options Injection
            • 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:3596
            • C:\Windows\SysWOW64\easkasav-oroas.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:1972

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\easkasav-oroas.exe

        Filesize

        68KB

        MD5

        3a0ac40d94ef89d2da40e101cfa44ff3

        SHA1

        f989068a44b9dbbb0dfa47e2765ca9f7a8268942

        SHA256

        6f09ce3c6b426ed04e6e151e9f1d87361158667b8a8519448f9837432a12f7f4

        SHA512

        91efeca95b0407b206e83a81b447c78c68d36ca9e1ecc71e1fa707331944d736e252bcc1d9668f9a81c0511094dafb819e300671a04d17a74339451439ed6f3e

      • C:\Windows\SysWOW64\idgeahooc.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\ouvtofoat-meab.exe

        Filesize

        71KB

        MD5

        c63284e1a43efc0dd22cb32e4e5c41f6

        SHA1

        4c21333d9d04133f99985680fb1815bb12a6e943

        SHA256

        fd79bf9bb6f48d7a9b553ce8b622982e6bb489f012821d36c72448cafb08fc0e

        SHA512

        9f6172b8a71be305b61e93672f9aab595f0394a5147d3c1b2502aab0f083cb04457c257265bcaf51307ad1989af800234cfa98eb1c03fb48704d1077fde1ead3

      • C:\Windows\SysWOW64\utbanam.exe

        Filesize

        70KB

        MD5

        3b89cf368dee7bf54bb29c794b1cb6af

        SHA1

        d4073f151cd96e03d25f817d4b6ed08de406bf7e

        SHA256

        381048b75ec131b3213408733cde7592d38aa1e104edcca1ef84a4d66d3aa8f4

        SHA512

        e1be4dafd6eab4cfd29969c2b327f28ae2f9eef0c508aae510579924aecc50382dcf9ed00bb58adfb85f0b06dfbf9cffa988f6f0f0afd85cdcd15b1d5d6f7935

      • memory/1972-48-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3596-47-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4008-4-0x0000000000400000-0x0000000000403000-memory.dmp

        Filesize

        12KB