Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-02-2025 06:45

General

  • Target

    5c52337f2d3514f4f661ab5b462fcb2897c861400c8b469114a7e0bcd3134b69N.exe

  • Size

    105KB

  • MD5

    a4f4961f9551976af1e8611f450267d0

  • SHA1

    baf8997d20cb051301eda742a3a6ee0b156cf9bd

  • SHA256

    5c52337f2d3514f4f661ab5b462fcb2897c861400c8b469114a7e0bcd3134b69

  • SHA512

    23c1467b1fcd4f5afa4e6a33d8ef29057e8dbd0b9acb95954dea6c141f64fa39aa60c4b2ac187f1807ca54a612eca40424c13a44927818b519888d79762ad275

  • SSDEEP

    1536:JxqjQ+P04wsmJCEr2jEYjr7glako4ArJXoes5DWrC6JEqnA:sr85CErhYjrIakSJXoelrllnA

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.

  • Neshta family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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\5c52337f2d3514f4f661ab5b462fcb2897c861400c8b469114a7e0bcd3134b69N.exe
    "C:\Users\Admin\AppData\Local\Temp\5c52337f2d3514f4f661ab5b462fcb2897c861400c8b469114a7e0bcd3134b69N.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
    PID:2608
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5c52337f2d3514f4f661ab5b462fcb2897c861400c8b469114a7e0bcd3134b69N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5c52337f2d3514f4f661ab5b462fcb2897c861400c8b469114a7e0bcd3134b69N.exe"
      2⤵
      • Executes dropped EXE
      PID:1232

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\Local\Temp\3582-490\5c52337f2d3514f4f661ab5b462fcb2897c861400c8b469114a7e0bcd3134b69N.exe

    Filesize

    64KB

    MD5

    a8ba1f13c9f9fb8800d116d7d6e0c30a

    SHA1

    8c51dda85fc2ca58f2c62d2504a319153495fa34

    SHA256

    72638942ec6bed01e8bf1fa0e25aafac5bf5af3e0f9e5cb6bdd43d14e16cdf2f

    SHA512

    fb33e16e6606d6c154cfa582fe76c919353c7ca080ddaed8efab35be1ceed7598ae2dab0cecf6dd42ea7c89752e397861526fe812dcd59e6dda6b5d4d5485039

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2608-81-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2608-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB