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Analysis

  • max time kernel
    120s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/08/2024, 07:42

General

  • Target

    6d35ee202396f3c884f540485b431a20N.exe

  • Size

    33KB

  • MD5

    6d35ee202396f3c884f540485b431a20

  • SHA1

    a115ec49fece8efda40c2c7910eb17ec953c5d82

  • SHA256

    229849741b475b4aa52d42c61e8e11b580d36695cf190843ec2ab46f8351dfc5

  • SHA512

    e1ccbf974d7d6f6aedccd73f00ddc1a835b3ac2fdb73fb12ed53b21f665cbfc26c6302354cd284e4f16931883c703a797c3ed2f783a87d49c4add1fb8b2e02e9

  • SSDEEP

    768:tQbuQRy2UjmUndnlTttxDn+3jiSkjRY6AB7kKfYoJ+ifBEewzKOm:QuQRylaUDTDxDXjy6AB7koYy2Tm

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:616
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3524
        • C:\Users\Admin\AppData\Local\Temp\6d35ee202396f3c884f540485b431a20N.exe
          "C:\Users\Admin\AppData\Local\Temp\6d35ee202396f3c884f540485b431a20N.exe"
          2⤵
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3116
          • C:\Windows\SysWOW64\eakmoodoab-ourac.exe
            "C:\Windows\system32\eakmoodoab-ourac.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:4920
            • C:\Windows\SysWOW64\eakmoodoab-ourac.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:1776

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\attoseav.exe

        Filesize

        36KB

        MD5

        f865007ff94eb325dcd0645e51eedc23

        SHA1

        4c3256b830714d0248a41c89804b5819b6efd3f5

        SHA256

        b8579743347da57d8c45d88bf74fd5812c455ccef3744816bc28a7de1bcc22c8

        SHA512

        0eb4232434413b7382531ae1f261ab33a6e1032c714ad13afe066a42414a5e762dc333631042f62d8329ec9751022b28b7e8b9508c669a219acf6fa265fd20f6

      • C:\Windows\SysWOW64\eakmoodoab-ourac.exe

        Filesize

        33KB

        MD5

        6d35ee202396f3c884f540485b431a20

        SHA1

        a115ec49fece8efda40c2c7910eb17ec953c5d82

        SHA256

        229849741b475b4aa52d42c61e8e11b580d36695cf190843ec2ab46f8351dfc5

        SHA512

        e1ccbf974d7d6f6aedccd73f00ddc1a835b3ac2fdb73fb12ed53b21f665cbfc26c6302354cd284e4f16931883c703a797c3ed2f783a87d49c4add1fb8b2e02e9

      • C:\Windows\SysWOW64\esteroag-ecoab.dll

        Filesize

        5KB

        MD5

        c8521a5fdd1c9387d536f599d850b195

        SHA1

        a543080665107b7e32bcc1ed19dbfbc1d2931356

        SHA256

        fa8f77b6daf775d66de9d27c1d896168a792057358e518c00e72b8964b966ca5

        SHA512

        541500e2cd502852a007d29badc1a1848d187245f78ec272281bab290cc6e308f0ae6d1b96863e0c30a176b16c6cf7e63e08a8de81a84615e4710e7164a805cd

      • C:\Windows\SysWOW64\idmeagat-acum.exe

        Filesize

        35KB

        MD5

        f0c6ef855c32c59ccea2037becac8978

        SHA1

        454b2858597c487dfae38ef057f31e28f266da16

        SHA256

        84f45c20a8553e6ee99cc7e4cac959cac9c96fe0bac65aadafaf30f5d0fb4b32

        SHA512

        cc31cbbe394f7cf85191f763cd90331021fe2fe12c3bc40a3fd74ab344e74ada5d9b41ac62015b13c687d9d753c4843fc035c2dd1fa16f661505ffaaf1b6e269

      • memory/1776-17-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/3116-0-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/3116-6-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/4920-51-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB