Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2024, 09:33

General

  • Target

    9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe

  • Size

    1.4MB

  • MD5

    b469fcff853fc5b434b96bbe392db700

  • SHA1

    3d859d4ae8dabc32e1734e2db627a1db12ae036a

  • SHA256

    9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476

  • SHA512

    503325a7bcd05892356625e448a3a1f9f82c52c4645132d40da6a77094200fbee88fdcee24176df08f5fb399e4f5e387fc8d5707b67e1796de24693b5a0c2933

  • SSDEEP

    24576:DSxc676jT4xCqT0ceyT6uxIzG6XeT0o7Kr9eo9:T631T0cxlHY9l

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 14 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe
    "C:\Users\Admin\AppData\Local\Temp\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Windows\Temp\{607CDDD7-F238-401A-9190-9677246B0B7E}\.cr\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe
        "C:\Windows\Temp\{607CDDD7-F238-401A-9190-9677246B0B7E}\.cr\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\3582-490\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe" -burn.filehandle.attached=180 -burn.filehandle.self=188
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2264

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

          Filesize

          547KB

          MD5

          cf6c595d3e5e9667667af096762fd9c4

          SHA1

          9bb44da8d7f6457099cb56e4f7d1026963dce7ce

          SHA256

          593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

          SHA512

          ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

        • C:\Windows\Temp\{607CDDD7-F238-401A-9190-9677246B0B7E}\.cr\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe

          Filesize

          1.3MB

          MD5

          7ba23f431f933dc8cc573b2d368cba99

          SHA1

          213815741f86cb20a3abad0e558ba6aee70106f9

          SHA256

          521b6410d3fdd92adbcfe941fc24746ea340288b3767fe39026bc70907ae0322

          SHA512

          832642f697b9ed0bc264d6499c540bc6ede2ac5c5dcb9e04c040034f17f81d6ff3023e8957c1907b7f43a3ee10734ffb3f484a2b22153819892a7c36e3ffa384

        • C:\Windows\Temp\{C9D28519-C31C-4667-8F77-E2CD925357C7}\.ba\BootstrapperCore.config

          Filesize

          877B

          MD5

          57aa0f7b5f6f076454f075a88bcc0cc9

          SHA1

          b99941380123d0a30a6ca0bfc9c782841a8bf449

          SHA256

          361079f9f118e11ea3f05d75fd3874664c94334f453177242c8e32f0881a3527

          SHA512

          2635b9eeb2cbca8392283928c2c886fa2ff5238bb634fcd07e19109e057315d9dcccdcf75c35b7d92077f46a049353f5b03c515dc03ecc4228227e0133b4eb05

        • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

          Filesize

          252KB

          MD5

          9e2b9928c89a9d0da1d3e8f4bd96afa7

          SHA1

          ec66cda99f44b62470c6930e5afda061579cde35

          SHA256

          8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

          SHA512

          2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

        • \Users\Admin\AppData\Local\Temp\3582-490\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe

          Filesize

          1.4MB

          MD5

          1c673bb4c0aab1ce073b437ff6ab74ad

          SHA1

          4eca14b9c844b2a914871d4a471dd70cc722e6e0

          SHA256

          748b3342eecbee7e36cc3daa273f1d1e8bcad0bee8f3600db28a70eb0f227ed6

          SHA512

          6e51fbfdd09ea5bc88750161b905f3275bd1df6ef9fe941beb6f9a9ea78ec3d36bcbc26ac98b394a5f49826a04cb89b56b52e85ace0b632405ebea20295a9ae5

        • \Windows\Temp\{C9D28519-C31C-4667-8F77-E2CD925357C7}\.ba\BootstrapperCore.dll

          Filesize

          87KB

          MD5

          7bad046d13d24e034266368f6fc3ee14

          SHA1

          2a215e89800621d5c09c6b834d45f35ddbadb0c9

          SHA256

          3d5771e67eb7c72fa7e4a59cbf823cf7d30d6e6946809e41893e8e1bf0f2a76a

          SHA512

          e3a82e7407f21f84f7119f3b993e62d621399434b4b17ebb5ce9f81b38e21aaa8889ed3689c2bbd6a5b6d1c70a28a2a8bdb75e65276bfea9d035b3e6a57ba922

        • \Windows\Temp\{C9D28519-C31C-4667-8F77-E2CD925357C7}\.ba\Microsoft.Bootstrapper.Presentation.dll

          Filesize

          200KB

          MD5

          856b49027ca68346a84af523c63ecd65

          SHA1

          1c494b9f3bc65c373f6c5ce9d41ea8f412d84016

          SHA256

          8ccfe198856ce2ec26021bf045df4829e27c2eb3eef2e286415e79a2ecd171b0

          SHA512

          8b40a1a1c82081d64271180dafce8ed5c1535f55690609a1128a432a2c9726c9e1a4fe1f9d32a0dd5f6cf8d0736b0f21c99b83ffb1febf27d15a7ecba1cd11d1

        • \Windows\Temp\{C9D28519-C31C-4667-8F77-E2CD925357C7}\.ba\Microsoft.Bootstrapper.dll

          Filesize

          159KB

          MD5

          8496c59f29ad29dd2355bc84ab2d31c7

          SHA1

          783a48a256da940abe25859abe2784a7d516fb84

          SHA256

          aa98e8b8ccc1fd856d05797a1613054ca2fd7adf69b1a3213b5afdee12d9ddef

          SHA512

          27e9acaf86a8be9695c86132c67c787f666cce4489a4278caa780fafa04304c6c7b7295a455fba115f19bc6c1366d27fe20a1fb6aa403f1736351a1b0c68ee62

        • \Windows\Temp\{C9D28519-C31C-4667-8F77-E2CD925357C7}\.ba\Microsoft.Diagnostics.Tracing.EventSource.dll

          Filesize

          166KB

          MD5

          ad9250c9725e55e11729256336accd56

          SHA1

          793fe7f04a7b39aa88ebf77deb9cf896d5136f68

          SHA256

          f9836c19b55583433141cbc1ae4542e65919abb0753e806b29740a732526b685

          SHA512

          37f85341324343fc1d783d0c8b850c143985d3e39516154979c9cc4ee1bd3440d0fd6f5c457f5de2653288edf24443f7f63b2447728a1323b31267f1697fa300

        • \Windows\Temp\{C9D28519-C31C-4667-8F77-E2CD925357C7}\.ba\mbahost.dll

          Filesize

          123KB

          MD5

          46d25de33138cddf0c6cfe7f5ef1d58d

          SHA1

          d3df9be6e24d39b1d99016f38f20ae96cad1a136

          SHA256

          a50e81ed6221cd7e41cb02e61b7b97fb8f4d200bd69846e17faaf7230302df87

          SHA512

          ce8b5197ae92861fc152623ed83beaa4255cda9661ee7f4d622fe0b5772b0a2e62cb402af332857a11cdea13ae91c89f47eabac4647e9c6317b9f01876309714

        • memory/2264-49-0x0000000000EF0000-0x0000000000F1E000-memory.dmp

          Filesize

          184KB

        • memory/2264-72-0x0000000000F20000-0x0000000000F4C000-memory.dmp

          Filesize

          176KB

        • memory/2264-89-0x0000000001090000-0x00000000010C8000-memory.dmp

          Filesize

          224KB

        • memory/2264-42-0x0000000000580000-0x0000000000598000-memory.dmp

          Filesize

          96KB

        • memory/2264-126-0x0000000000FA0000-0x0000000000FAA000-memory.dmp

          Filesize

          40KB

        • memory/2264-125-0x0000000000FA0000-0x0000000000FAA000-memory.dmp

          Filesize

          40KB

        • memory/2332-139-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2332-141-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB