Overview

overview

10

Static

static

10

072fe02ff3...ad.exe

windows7_x64

10

072fe02ff3...ad.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    26s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 15:43

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General

  • Target

    072fe02ff38f45fe7768e146cca94cfeba546c6e2bc167485ffe130d6d0df1ad.exe

  • Size

    5.6MB

  • MD5

    3f6dad88c5366d6feef3b3c9b3ad551c

  • SHA1

    58dc6f61a3e0819dde80dfb03fff029999053351

  • SHA256

    072fe02ff38f45fe7768e146cca94cfeba546c6e2bc167485ffe130d6d0df1ad

  • SHA512

    ae1ea889d1a5db7ef684a26a7678e46c3629c666ded4850aed43c615c66e2076b16839ac3c8fdce79e0b72cdf8e44564ce924b642ef7fa636af002f175f02a07

Score
10/10
neshtapersistencespyware

Malware Config

Signatures

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

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

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

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

  • Loads dropped DLL 3 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\072fe02ff38f45fe7768e146cca94cfeba546c6e2bc167485ffe130d6d0df1ad.exe
    "C:\Users\Admin\AppData\Local\Temp\072fe02ff38f45fe7768e146cca94cfeba546c6e2bc167485ffe130d6d0df1ad.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3304
    • C:\Users\Admin\AppData\Local\Temp\3582-490\072fe02ff38f45fe7768e146cca94cfeba546c6e2bc167485ffe130d6d0df1ad.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\072fe02ff38f45fe7768e146cca94cfeba546c6e2bc167485ffe130d6d0df1ad.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4484
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x3c8 0x2c0
    1⤵
      PID:4112

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\3582-490\072fe02ff38f45fe7768e146cca94cfeba546c6e2bc167485ffe130d6d0df1ad.exe
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    • C:\Users\Admin\AppData\Local\Temp\3582-490\072fe02ff38f45fe7768e146cca94cfeba546c6e2bc167485ffe130d6d0df1ad.exe
      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\nsjD325.tmp\AdvSplash.dll
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    • C:\Users\Admin\AppData\Local\Temp\nsjD325.tmp\AdvSplash.dll
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    • C:\Users\Admin\AppData\Local\Temp\nsjD325.tmp\InstallOptions.dll
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    • C:\Users\Admin\AppData\Local\Temp\nsjD325.tmp\InstallOptions.dll
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    • C:\Users\Admin\AppData\Local\Temp\nsjD325.tmp\UserInfo.dll
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    • memory/4484-130-0x0000000000000000-mapping.dmp

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    • memory/4484-138-0x0000000004FF1000-0x0000000004FF3000-memory.dmp

      Filesize

      8KB

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