Analysis

  • max time kernel
    103s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 10:27

General

  • Target

    d94ef3e17045490447659f4d6f80c017ba1c6fb03ecf146785c6fc35de2f3ff2N.exe

  • Size

    3.3MB

  • MD5

    2fa0ea10da322cdedfca52fd74a5b6c0

  • SHA1

    c74a3bb2a8872faf54860d4316f926004117ad16

  • SHA256

    d94ef3e17045490447659f4d6f80c017ba1c6fb03ecf146785c6fc35de2f3ff2

  • SHA512

    2a4a598ce0c61b8af2e2cf1344b4c084edbca3426ccc64928fb9bccfe66be848abf59e90737ca6c39810b021aa8c31b8f4759fd325337ef3fc089d7d9cafaa37

  • SSDEEP

    24576:ZAsY7vxIf0SRcah+7EYASA6luiG8O+BWAMbP5dzH2TD2wSj2zLR:mlIfTYASA6IiG8vBWAMr5dS6fuR

Malware Config

Signatures

  • 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 1 IoCs
  • Loads dropped DLL 2 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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d94ef3e17045490447659f4d6f80c017ba1c6fb03ecf146785c6fc35de2f3ff2N.exe
    "C:\Users\Admin\AppData\Local\Temp\d94ef3e17045490447659f4d6f80c017ba1c6fb03ecf146785c6fc35de2f3ff2N.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:828
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d94ef3e17045490447659f4d6f80c017ba1c6fb03ecf146785c6fc35de2f3ff2N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d94ef3e17045490447659f4d6f80c017ba1c6fb03ecf146785c6fc35de2f3ff2N.exe"
      2⤵
      • Executes dropped EXE
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    547KB

    MD5

    d30b36247185a670852f45098eb9a8e6

    SHA1

    f37447d3b870174444e0834bd13629fc9804e6f2

    SHA256

    e57de7cf83c9f5dc4810d748b3907f65f2909eb6391c140ed0b049c452f7d270

    SHA512

    d1100b0403e95b035e66841db8a64a710a5f7f1b984f51089259468a21ef7696d65e7a3e84b2f774b000c8016eead784810b336455fc9cd7b6663ebf9abb433b

  • C:\Users\Admin\AppData\Local\Temp\3582-490\d94ef3e17045490447659f4d6f80c017ba1c6fb03ecf146785c6fc35de2f3ff2N.exe

    Filesize

    3.2MB

    MD5

    ebde7565c6b0ba1c0cd549f5b70970d2

    SHA1

    0b98f34c02e3ededf0b312ec35106c07100ba403

    SHA256

    8b7f8dc42c1bbe3a49eb4c811eb8f2735ba817f2baca8189f3e7522ed58d4269

    SHA512

    174eab5f8867fd32878ca1582cf1b30e63cb15be47ee6fd1e5a27c91e83692d5d7659a7b02b981f35595b60740af2b31528e180df96ce2c6aae3e16bed92e710

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/828-90-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/828-92-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2520-11-0x000007FEF58D3000-0x000007FEF58D4000-memory.dmp

    Filesize

    4KB

  • memory/2520-12-0x0000000000C70000-0x0000000000FAA000-memory.dmp

    Filesize

    3.2MB

  • memory/2520-21-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp

    Filesize

    9.9MB

  • memory/2520-32-0x00000000003E0000-0x00000000003EA000-memory.dmp

    Filesize

    40KB

  • memory/2520-39-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp

    Filesize

    9.9MB

  • memory/2520-33-0x00000000003E0000-0x00000000003EA000-memory.dmp

    Filesize

    40KB

  • memory/2520-77-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp

    Filesize

    9.9MB