Analysis

  • max time kernel
    24s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2024 15:08

General

  • Target

    0ed3f4eda0ea1acc0abf654afa1de343bd277972d85f169e6eb33d2d3ee9ec88N.exe

  • Size

    376KB

  • MD5

    1794463f1557c7011422b8e2577a8950

  • SHA1

    13a7f547000a17b0ef7d3f3d20c1767d0d2526e3

  • SHA256

    0ed3f4eda0ea1acc0abf654afa1de343bd277972d85f169e6eb33d2d3ee9ec88

  • SHA512

    f11f940cb9dbdf0a01a53610ae51070c5a1ac93d39d96d0526ce677c1d091254a5932fc853d79fa53f4e00830ffca30c4d6a87416d73268b624bd442f3bd63b4

  • SSDEEP

    3072:sr85Cc0rrb4laySQp5pNhQtqpIm9sAyoF55YH5jDaZ4FhKnTEF2xp8pbbr85C:k9F1y/p5p3Im9IH5jDD9

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 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 2 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\0ed3f4eda0ea1acc0abf654afa1de343bd277972d85f169e6eb33d2d3ee9ec88N.exe
    "C:\Users\Admin\AppData\Local\Temp\0ed3f4eda0ea1acc0abf654afa1de343bd277972d85f169e6eb33d2d3ee9ec88N.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:2944
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0ed3f4eda0ea1acc0abf654afa1de343bd277972d85f169e6eb33d2d3ee9ec88N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0ed3f4eda0ea1acc0abf654afa1de343bd277972d85f169e6eb33d2d3ee9ec88N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2700

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\0ed3f4eda0ea1acc0abf654afa1de343bd277972d85f169e6eb33d2d3ee9ec88N.exe

    Filesize

    336KB

    MD5

    53caca495399439bf2b4ca3de1bacfa7

    SHA1

    32bfabf75e30c84f7d3c6479493b58bdfc1a0cd6

    SHA256

    278e3a5c2aa605669732a4cd160490a726542c9153794eac44458d16d5c5ee49

    SHA512

    b2baf78daa9550640520ca1192055e9bb712a3d2c1f290f7f7d2beba5ae88652d461ffadb8a12b1a8f7912e0c14c9bc128cc4dacaf6200d986a2c9493d6f84b4

  • memory/2944-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2944-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB