Analysis

  • max time kernel
    32s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2024, 07:23

General

  • Target

    c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.exe

  • Size

    159KB

  • MD5

    2dc4cffe7be63c3e5c7fec2b73d1c860

  • SHA1

    3291b6cea84c818b881e95a99690ac4052bca4b9

  • SHA256

    c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697

  • SHA512

    2e82f5243b42915db1ae4a8b3485986214f9b662bbca815b4e63f478b2f852e51cfc5c8f18cc4d98bed60ad1a0f6fc07ff546bbe60ff7657f26ac5927d4b332c

  • SSDEEP

    3072:sr85CeoUcCKYsl/B8DAptmhB8DApszTHfN:k998DpD8DL

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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.

  • 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
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.exe
    "C:\Users\Admin\AppData\Local\Temp\c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.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:2364
    • C:\Users\Admin\AppData\Local\Temp\3582-490\c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:1908
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1176
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2396

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:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          342B

          MD5

          863f41f2a170e4142140d8ea99c29aed

          SHA1

          6977b69c80bbfb4a03037afd75c0bd2d525f1f63

          SHA256

          d99c5c3b96d3d295a39ec6e29684c21e84d6f4857c0834d5de5132e8796392b8

          SHA512

          8fe82e093c0b4eb8ca17acac9a189c1cc0f5f54eb0fb64f74be3cd84f06ab4bd0f64391065fe7bd1cd84a26e9acaac38cb3c336c11268d55c171488c66bcfdff

        • C:\Users\Admin\AppData\Local\Temp\CabAA26.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\TarAA58.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • \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\c6abd8d466231fd46eb5d2ed6ae9c6d2508a7afcbf536445da3ebe245e4ef697N.exe

          Filesize

          119KB

          MD5

          5c7625350871a26263ac368e3e4ac9f1

          SHA1

          1732ae1fe9886fc49dd523a5e27f3c765e43d22f

          SHA256

          6278925a22dadc59429d1abfe92763222893b2595c19c5b0c5bf3adac16afeb2

          SHA512

          4d0e12732d057b336b6ccc417a39a4d8c4fc7b896c8b90dae30e9b7820e9ca259d59dc144d52217aa41d46b5f98327bf81fbf4c3178dae9bd508764d1c7fd3f7

        • memory/1908-12-0x0000000073E71000-0x0000000073E72000-memory.dmp

          Filesize

          4KB

        • memory/1908-13-0x0000000073E70000-0x000000007441B000-memory.dmp

          Filesize

          5.7MB

        • memory/1908-14-0x0000000073E70000-0x000000007441B000-memory.dmp

          Filesize

          5.7MB

        • memory/1908-192-0x0000000073E70000-0x000000007441B000-memory.dmp

          Filesize

          5.7MB

        • memory/2364-193-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2364-195-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB