Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-08-2024 00:45

General

  • Target

    a5cdc8c5ffddfc7d83f2cb92fbaac93bfd7e9cf919f7249ddeb8de93eef777c1.exe

  • Size

    33KB

  • MD5

    232be6ede67aa2a788169289d0de4de4

  • SHA1

    2dad49af3cee9589d3cc2ce4bda038560c7f589e

  • SHA256

    a5cdc8c5ffddfc7d83f2cb92fbaac93bfd7e9cf919f7249ddeb8de93eef777c1

  • SHA512

    7b42484ad1d627bf23d5b1e325e8510b6d7ed6bda9771f8f697697d8a382e66369383f70d13544a6cf728a6a74a8505287b24173d0f9807cb89fb3051403bc54

  • SSDEEP

    768:tQbuQRy2UjmUndnlTttxDn+3jiSkjRY6AB7kKfYoJ+ifBEewzKOb:QuQRylaUDTDxDXjy6AB7koYy2Tb

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
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 4 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

    remove IFEO.

  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 17 IoCs
  • Drops file in Program Files directory 8 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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:612
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3432
        • C:\Users\Admin\AppData\Local\Temp\a5cdc8c5ffddfc7d83f2cb92fbaac93bfd7e9cf919f7249ddeb8de93eef777c1.exe
          "C:\Users\Admin\AppData\Local\Temp\a5cdc8c5ffddfc7d83f2cb92fbaac93bfd7e9cf919f7249ddeb8de93eef777c1.exe"
          2⤵
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1768
          • C:\Windows\SysWOW64\adxecod-cur.exe
            "C:\Windows\system32\adxecod-cur.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
            • Indicator Removal: Clear Persistence
            • Modifies WinLogon
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4308
            • C:\Windows\SysWOW64\adxecod-cur.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:4260

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\adxecod-cur.exe

        Filesize

        33KB

        MD5

        232be6ede67aa2a788169289d0de4de4

        SHA1

        2dad49af3cee9589d3cc2ce4bda038560c7f589e

        SHA256

        a5cdc8c5ffddfc7d83f2cb92fbaac93bfd7e9cf919f7249ddeb8de93eef777c1

        SHA512

        7b42484ad1d627bf23d5b1e325e8510b6d7ed6bda9771f8f697697d8a382e66369383f70d13544a6cf728a6a74a8505287b24173d0f9807cb89fb3051403bc54

      • C:\Windows\SysWOW64\ahciram-eadat.exe

        Filesize

        35KB

        MD5

        292c27572a52e7a3af49e9aa23cef16f

        SHA1

        30f369d96c20c3e4e0645028074579909100335d

        SHA256

        bfc84d3d23442bc8f253fa1b9ae6cb7a870511b45ed795f18d3661c84623eaa4

        SHA512

        c188ee8266a7c74a8cf3b7ca75e71de7d13ab163b10d3baf312764b1b2d144b4003e04f381bae4a33a965a3f0251f11d906953d4bd7de919181cf2c7f0c8fb66

      • C:\Windows\SysWOW64\earxoohoac.exe

        Filesize

        36KB

        MD5

        154327b3e329ac5d30cad4876976961f

        SHA1

        174456781f6ac7932e8fe85ae75512c06af5aa5a

        SHA256

        9d89fe67dfeca18122dc1ff51094e769408b681bb16e69ca96902dcb7b2f08d8

        SHA512

        88bedba95e0df0f66f2ae677dab50f276ed42570495b7c5bedcf0cedc23863d1e87e0e437f42c933103a829006d17be13bf3e47c8f7dcfbffb73fc738901d8a7

      • C:\Windows\SysWOW64\epdeasood.dll

        Filesize

        5KB

        MD5

        c8521a5fdd1c9387d536f599d850b195

        SHA1

        a543080665107b7e32bcc1ed19dbfbc1d2931356

        SHA256

        fa8f77b6daf775d66de9d27c1d896168a792057358e518c00e72b8964b966ca5

        SHA512

        541500e2cd502852a007d29badc1a1848d187245f78ec272281bab290cc6e308f0ae6d1b96863e0c30a176b16c6cf7e63e08a8de81a84615e4710e7164a805cd

      • memory/1768-0-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/1768-6-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/4260-51-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/4308-50-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB