Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 22:13

General

  • Target

    64e88eb34df6a06ab42158005be3f292a4fe8a78b8f1c4ee0e32c849ade8a037.exe

  • Size

    34KB

  • MD5

    fb49b57c093014a496d7e40ab1a96383

  • SHA1

    3ccb31611b8e80b5b76ca9b315d330c9910a4052

  • SHA256

    64e88eb34df6a06ab42158005be3f292a4fe8a78b8f1c4ee0e32c849ade8a037

  • SHA512

    277cdaec9630f6a55d09c5a0a3a6722e467eadabed69fe95868ebda6c33fa9d6b39dce46a37d6b20e5efde766d89f9e0e665d53f626cc13dc1da1655e070f0a1

  • SSDEEP

    768:tQbuQRy2UjmUndnlTttxDn+3jiSkjRY6AB7kKfYoJ+ifBEewzKO5C:QuQRylaUDTDxDXjy6AB7koYy2To

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
  • Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

    remove IFEO.

  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 17 IoCs
  • UPX packed file 6 IoCs

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

  • 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:632
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3408
        • C:\Users\Admin\AppData\Local\Temp\64e88eb34df6a06ab42158005be3f292a4fe8a78b8f1c4ee0e32c849ade8a037.exe
          "C:\Users\Admin\AppData\Local\Temp\64e88eb34df6a06ab42158005be3f292a4fe8a78b8f1c4ee0e32c849ade8a037.exe"
          2⤵
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2116
          • C:\Windows\SysWOW64\ountahoat-oufex.exe
            "C:\Windows\system32\ountahoat-oufex.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:1228
            • C:\Windows\SysWOW64\ountahoat-oufex.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:2316
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4352,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=3832 /prefetch:8
        1⤵
          PID:3756

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Windows\SysWOW64\blakas.exe

                Filesize

                37KB

                MD5

                06e438b5dbc1d5a7b793e86eb419eaa7

                SHA1

                e614fd0727d8a056289f0e3abc366e5d892df147

                SHA256

                a1b5290309b5483b91741101098610eb4a45618b3b4e10d500d7bd4ec1a644a5

                SHA512

                4267e2b53e4cffad9745e48e6ce91199f6fe6eb0139a8fba683d0daa4f19af50e69a38fd687d972e71e03bbc8e49b8d85a1f2c0e30205e1d02314411a21f22e0

              • C:\Windows\SysWOW64\inleadar-udex.exe

                Filesize

                36KB

                MD5

                37090520519635ad54e8420266dd0c9e

                SHA1

                437dc099e91b126fdd3b37637dd1ccb972757018

                SHA256

                e1d585aa99c50a514c99d7a6c6f72e6de6794f50ed882432de4616a453c6cb72

                SHA512

                90c49195ed1b6529c19bfefce3ce574317c8b2385df402dde384b7c5071f5496e88de530190f0175559c385d57523a0f8fd532a1e45eec50e43aede6c9ba9392

              • C:\Windows\SysWOW64\ountahoat-oufex.exe

                Filesize

                34KB

                MD5

                fb49b57c093014a496d7e40ab1a96383

                SHA1

                3ccb31611b8e80b5b76ca9b315d330c9910a4052

                SHA256

                64e88eb34df6a06ab42158005be3f292a4fe8a78b8f1c4ee0e32c849ade8a037

                SHA512

                277cdaec9630f6a55d09c5a0a3a6722e467eadabed69fe95868ebda6c33fa9d6b39dce46a37d6b20e5efde766d89f9e0e665d53f626cc13dc1da1655e070f0a1

              • C:\Windows\SysWOW64\urheapuk.dll

                Filesize

                5KB

                MD5

                c8521a5fdd1c9387d536f599d850b195

                SHA1

                a543080665107b7e32bcc1ed19dbfbc1d2931356

                SHA256

                fa8f77b6daf775d66de9d27c1d896168a792057358e518c00e72b8964b966ca5

                SHA512

                541500e2cd502852a007d29badc1a1848d187245f78ec272281bab290cc6e308f0ae6d1b96863e0c30a176b16c6cf7e63e08a8de81a84615e4710e7164a805cd

              • memory/1228-9-0x0000000000400000-0x0000000000417000-memory.dmp

                Filesize

                92KB

              • memory/1228-43-0x0000000000400000-0x0000000000417000-memory.dmp

                Filesize

                92KB

              • memory/2116-0-0x0000000000400000-0x0000000000417000-memory.dmp

                Filesize

                92KB

              • memory/2116-12-0x0000000000400000-0x0000000000417000-memory.dmp

                Filesize

                92KB

              • memory/2316-48-0x0000000000400000-0x0000000000417000-memory.dmp

                Filesize

                92KB