Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 4 IoCs
  • Neshta

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

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe
    "C:\Users\Admin\AppData\Local\Temp\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe"
    1⤵
    • Checks computer location settings
    • 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:3948
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\Temp\{EA6D92AA-C9B4-4E36-BCEA-D1949B5E986D}\.cr\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe
        "C:\Windows\Temp\{EA6D92AA-C9B4-4E36-BCEA-D1949B5E986D}\.cr\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\3582-490\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe" -burn.filehandle.attached=688 -burn.filehandle.self=692
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

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

    Filesize

    1.4MB

    MD5

    1c673bb4c0aab1ce073b437ff6ab74ad

    SHA1

    4eca14b9c844b2a914871d4a471dd70cc722e6e0

    SHA256

    748b3342eecbee7e36cc3daa273f1d1e8bcad0bee8f3600db28a70eb0f227ed6

    SHA512

    6e51fbfdd09ea5bc88750161b905f3275bd1df6ef9fe941beb6f9a9ea78ec3d36bcbc26ac98b394a5f49826a04cb89b56b52e85ace0b632405ebea20295a9ae5

  • C:\Windows\Temp\{A5868823-355F-471A-8E4B-E2AEEC0387B8}\.ba\BootstrapperCore.config

    Filesize

    877B

    MD5

    57aa0f7b5f6f076454f075a88bcc0cc9

    SHA1

    b99941380123d0a30a6ca0bfc9c782841a8bf449

    SHA256

    361079f9f118e11ea3f05d75fd3874664c94334f453177242c8e32f0881a3527

    SHA512

    2635b9eeb2cbca8392283928c2c886fa2ff5238bb634fcd07e19109e057315d9dcccdcf75c35b7d92077f46a049353f5b03c515dc03ecc4228227e0133b4eb05

  • C:\Windows\Temp\{A5868823-355F-471A-8E4B-E2AEEC0387B8}\.ba\BootstrapperCore.dll

    Filesize

    87KB

    MD5

    7bad046d13d24e034266368f6fc3ee14

    SHA1

    2a215e89800621d5c09c6b834d45f35ddbadb0c9

    SHA256

    3d5771e67eb7c72fa7e4a59cbf823cf7d30d6e6946809e41893e8e1bf0f2a76a

    SHA512

    e3a82e7407f21f84f7119f3b993e62d621399434b4b17ebb5ce9f81b38e21aaa8889ed3689c2bbd6a5b6d1c70a28a2a8bdb75e65276bfea9d035b3e6a57ba922

  • C:\Windows\Temp\{A5868823-355F-471A-8E4B-E2AEEC0387B8}\.ba\Microsoft.Bootstrapper.Presentation.dll

    Filesize

    200KB

    MD5

    856b49027ca68346a84af523c63ecd65

    SHA1

    1c494b9f3bc65c373f6c5ce9d41ea8f412d84016

    SHA256

    8ccfe198856ce2ec26021bf045df4829e27c2eb3eef2e286415e79a2ecd171b0

    SHA512

    8b40a1a1c82081d64271180dafce8ed5c1535f55690609a1128a432a2c9726c9e1a4fe1f9d32a0dd5f6cf8d0736b0f21c99b83ffb1febf27d15a7ecba1cd11d1

  • C:\Windows\Temp\{A5868823-355F-471A-8E4B-E2AEEC0387B8}\.ba\Microsoft.Bootstrapper.dll

    Filesize

    159KB

    MD5

    8496c59f29ad29dd2355bc84ab2d31c7

    SHA1

    783a48a256da940abe25859abe2784a7d516fb84

    SHA256

    aa98e8b8ccc1fd856d05797a1613054ca2fd7adf69b1a3213b5afdee12d9ddef

    SHA512

    27e9acaf86a8be9695c86132c67c787f666cce4489a4278caa780fafa04304c6c7b7295a455fba115f19bc6c1366d27fe20a1fb6aa403f1736351a1b0c68ee62

  • C:\Windows\Temp\{A5868823-355F-471A-8E4B-E2AEEC0387B8}\.ba\Microsoft.Diagnostics.Tracing.EventSource.dll

    Filesize

    166KB

    MD5

    ad9250c9725e55e11729256336accd56

    SHA1

    793fe7f04a7b39aa88ebf77deb9cf896d5136f68

    SHA256

    f9836c19b55583433141cbc1ae4542e65919abb0753e806b29740a732526b685

    SHA512

    37f85341324343fc1d783d0c8b850c143985d3e39516154979c9cc4ee1bd3440d0fd6f5c457f5de2653288edf24443f7f63b2447728a1323b31267f1697fa300

  • C:\Windows\Temp\{A5868823-355F-471A-8E4B-E2AEEC0387B8}\.ba\mbahost.dll

    Filesize

    123KB

    MD5

    46d25de33138cddf0c6cfe7f5ef1d58d

    SHA1

    d3df9be6e24d39b1d99016f38f20ae96cad1a136

    SHA256

    a50e81ed6221cd7e41cb02e61b7b97fb8f4d200bd69846e17faaf7230302df87

    SHA512

    ce8b5197ae92861fc152623ed83beaa4255cda9661ee7f4d622fe0b5772b0a2e62cb402af332857a11cdea13ae91c89f47eabac4647e9c6317b9f01876309714

  • C:\Windows\Temp\{EA6D92AA-C9B4-4E36-BCEA-D1949B5E986D}\.cr\9093aed9b16bfb2e48ccdd5da6e037f6e04a095418b85f7d5a279aad96c6d476N.exe

    Filesize

    1.3MB

    MD5

    7ba23f431f933dc8cc573b2d368cba99

    SHA1

    213815741f86cb20a3abad0e558ba6aee70106f9

    SHA256

    521b6410d3fdd92adbcfe941fc24746ea340288b3767fe39026bc70907ae0322

    SHA512

    832642f697b9ed0bc264d6499c540bc6ede2ac5c5dcb9e04c040034f17f81d6ff3023e8957c1907b7f43a3ee10734ffb3f484a2b22153819892a7c36e3ffa384

  • memory/3480-67-0x0000000073430000-0x0000000073BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3480-84-0x0000000073430000-0x0000000073BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3480-44-0x0000000073430000-0x0000000073BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3480-43-0x0000000073430000-0x0000000073BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3480-66-0x0000000006920000-0x000000000694C000-memory.dmp

    Filesize

    176KB

  • memory/3480-41-0x0000000002D50000-0x0000000002D68000-memory.dmp

    Filesize

    96KB

  • memory/3480-36-0x000000007343E000-0x000000007343F000-memory.dmp

    Filesize

    4KB

  • memory/3480-77-0x0000000006990000-0x00000000069C8000-memory.dmp

    Filesize

    224KB

  • memory/3480-79-0x0000000073430000-0x0000000073BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3480-50-0x0000000003F30000-0x0000000003F5E000-memory.dmp

    Filesize

    184KB

  • memory/3480-122-0x0000000008E80000-0x0000000008E88000-memory.dmp

    Filesize

    32KB

  • memory/3480-126-0x0000000009670000-0x000000000967E000-memory.dmp

    Filesize

    56KB

  • memory/3480-125-0x00000000096A0000-0x00000000096D8000-memory.dmp

    Filesize

    224KB

  • memory/3480-153-0x000000007343E000-0x000000007343F000-memory.dmp

    Filesize

    4KB

  • memory/3480-154-0x0000000073430000-0x0000000073BE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3948-155-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3948-156-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3948-158-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB