Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 10:47

General

  • Target

    0493a09993d71d9cc8dbfd497cc0f1242d47f0a0f3df2a052640682679168e9aN.exe

  • Size

    1.1MB

  • MD5

    c06de5d9a1df38bf3783c13c052f4690

  • SHA1

    df6fe8f8cd0827e9c8346a01da893cb1abbc0553

  • SHA256

    0493a09993d71d9cc8dbfd497cc0f1242d47f0a0f3df2a052640682679168e9a

  • SHA512

    c95c28ccd8bef286a137bba436aa50b7e9d0817ded0b0eb3ea36cfdeee5e7c19a1ed0dca77c65c9428c2d141bae2511dc3cade4f689b92e62e58f8fc487b6ba5

  • SSDEEP

    12288:47QhoMauYeWCunNFesSgtTnOS1yL44I1UorQnT4XCwiRNiF4ERPV3CoofxuYZZ/b:47goMTYeWr3esvz1yL3Bn9fjiEJxukN

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 1 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 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\0493a09993d71d9cc8dbfd497cc0f1242d47f0a0f3df2a052640682679168e9aN.exe
    "C:\Users\Admin\AppData\Local\Temp\0493a09993d71d9cc8dbfd497cc0f1242d47f0a0f3df2a052640682679168e9aN.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
    PID:3296
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0493a09993d71d9cc8dbfd497cc0f1242d47f0a0f3df2a052640682679168e9aN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0493a09993d71d9cc8dbfd497cc0f1242d47f0a0f3df2a052640682679168e9aN.exe"
      2⤵
      • Executes dropped EXE
      PID:4476

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\0493a09993d71d9cc8dbfd497cc0f1242d47f0a0f3df2a052640682679168e9aN.exe

    Filesize

    1.1MB

    MD5

    8dc7bdb5835ca6dfaf2af1cfcbfd7102

    SHA1

    853dfd4a5e6b3f188ac121561332573d3db1acb6

    SHA256

    c0477cd2b2cd754360d023340e6103df84345284c9c1c7a56cd96299be63324c

    SHA512

    c8fbf9173b4860b2381ca388ae8cc4d4343f61623e1105df63b1097402f0bc53190f60cd04ca81bf8e8683df4504664afe7a70bb3e97300e6153b726202cd70b

  • memory/3296-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3296-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3296-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB