Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 08:09

General

  • Target

    d412e05378594d1a648173af75aa10fcb0a0bc9fc06ce07cfa503d18d2e30d9eN.exe

  • Size

    179KB

  • MD5

    5c946c2ed90d7736b049205a3a008ad0

  • SHA1

    62e6284ee06845bfc0524f5b106e81bf67541580

  • SHA256

    d412e05378594d1a648173af75aa10fcb0a0bc9fc06ce07cfa503d18d2e30d9e

  • SHA512

    c9eb5943f1e85a3e4a4ae3c4e34613e8a04494fd4676cfae2d2abfc93f7e517e89cc586bb91ec8dc3eca81b425afbd6ed1986657f5e3c38df86bc1e8d1cfcd5a

  • SSDEEP

    3072:sr85Cvf6PZZCcGfW9Kx/D6PZOsjBKoML0dBAxofdrG73ojnO7ej6TNuZ1PWOmd3L:k9vtcWxzsjBKoML0dBAxofdrG73ojnOv

Malware Config

Signatures

  • Detect Neshta payload 2 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 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 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\d412e05378594d1a648173af75aa10fcb0a0bc9fc06ce07cfa503d18d2e30d9eN.exe
    "C:\Users\Admin\AppData\Local\Temp\d412e05378594d1a648173af75aa10fcb0a0bc9fc06ce07cfa503d18d2e30d9eN.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:2084
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d412e05378594d1a648173af75aa10fcb0a0bc9fc06ce07cfa503d18d2e30d9eN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d412e05378594d1a648173af75aa10fcb0a0bc9fc06ce07cfa503d18d2e30d9eN.exe"
      2⤵
      • Executes dropped EXE
      PID:3028

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

  • \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\d412e05378594d1a648173af75aa10fcb0a0bc9fc06ce07cfa503d18d2e30d9eN.exe

    Filesize

    139KB

    MD5

    69731fb3490ba3489ba2a43107152eb7

    SHA1

    fa1ac5a88ea85919d25d2855c3f3b1999af5962d

    SHA256

    a752774998ff23ffd32a7d1154dd1477002e34dfa156fc99d402b03bb1668eaf

    SHA512

    18e234d172a9d27bb88fa6ee6ed62d338fd85e51f4d718e84a27254f37cbf8861aa3ba8aa5a4d4d74d19aa89e533c10c9d5b18b9d8fea798fa123311729de57b

  • memory/2084-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB