Analysis

  • max time kernel
    113s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 02:12

General

  • Target

    ee5326b9e8da0efa93880b40775ec7535366d179213a5b41053ef64ae6004e5b.exe

  • Size

    205KB

  • MD5

    f03fb2039532c12d20219802ef515214

  • SHA1

    e6ce8fe5bbdea799ce336c2c47c7fa8d10a79154

  • SHA256

    ee5326b9e8da0efa93880b40775ec7535366d179213a5b41053ef64ae6004e5b

  • SHA512

    bd8def183f4997490d3f774cf1c4bdbfbf3c8712e05746a7be02c17a83f2f439d6bdcc4f8eaacec5d60343f4df6390c34725ef77a960a5b721ce3bbc36f51a9f

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 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). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee5326b9e8da0efa93880b40775ec7535366d179213a5b41053ef64ae6004e5b.exe
    "C:\Users\Admin\AppData\Local\Temp\ee5326b9e8da0efa93880b40775ec7535366d179213a5b41053ef64ae6004e5b.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1292
    • C:\Users\Admin\AppData\Local\Temp\3582-490\ee5326b9e8da0efa93880b40775ec7535366d179213a5b41053ef64ae6004e5b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\ee5326b9e8da0efa93880b40775ec7535366d179213a5b41053ef64ae6004e5b.exe"
      2⤵
      • Executes dropped EXE
      PID:4104

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\ee5326b9e8da0efa93880b40775ec7535366d179213a5b41053ef64ae6004e5b.exe

    Filesize

    165KB

    MD5

    7c8f933790964d804447b1f4999f612b

    SHA1

    83bbf071ee3ffcce2c589b51e78e6b6af057bc93

    SHA256

    eee9aab45d6ae2f3581b9dbc9564c890aec2688707ffae599332f7914e47fd58

    SHA512

    efb22ecc081f52460e4c6086422a1afe9de8addeaba44ce22954257264854978b0bcf408e44c087a1e0f1cbe702f36cede31290f3420c70d93037c1499585a80

  • C:\Users\Admin\AppData\Local\Temp\3582-490\ee5326b9e8da0efa93880b40775ec7535366d179213a5b41053ef64ae6004e5b.exe

    Filesize

    165KB

    MD5

    7c8f933790964d804447b1f4999f612b

    SHA1

    83bbf071ee3ffcce2c589b51e78e6b6af057bc93

    SHA256

    eee9aab45d6ae2f3581b9dbc9564c890aec2688707ffae599332f7914e47fd58

    SHA512

    efb22ecc081f52460e4c6086422a1afe9de8addeaba44ce22954257264854978b0bcf408e44c087a1e0f1cbe702f36cede31290f3420c70d93037c1499585a80

  • memory/4104-130-0x0000000000000000-mapping.dmp

  • memory/4104-133-0x0000000000C40000-0x0000000000C70000-memory.dmp

    Filesize

    192KB

  • memory/4104-134-0x00000000055E0000-0x000000000567C000-memory.dmp

    Filesize

    624KB

  • memory/4104-135-0x0000000005CC0000-0x0000000006264000-memory.dmp

    Filesize

    5.6MB

  • memory/4104-136-0x00000000057B0000-0x0000000005842000-memory.dmp

    Filesize

    584KB

  • memory/4104-138-0x0000000005850000-0x00000000058A6000-memory.dmp

    Filesize

    344KB

  • memory/4104-137-0x00000000056A0000-0x00000000056AA000-memory.dmp

    Filesize

    40KB