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Analysis

  • max time kernel
    156s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/11/2023, 11:31

General

  • Target

    NEAS.f4414af47921d04cda893e807bf0ddb0_JC.exe

  • Size

    204KB

  • MD5

    f4414af47921d04cda893e807bf0ddb0

  • SHA1

    f23b71cbdb3b9a2f67bb9a86aa0cf6623911466d

  • SHA256

    599350bc6e97dbc4e03b01f76704e5316369712a95e31d8dcd829d9486230109

  • SHA512

    6052ab09298e9cb97575e86a888cca47b2824e06dd6815db481a6747844c52aaaeb27a3e251f71e1eab81aa7dd978d4cb8c98038acaf86ec46b907a54b91c5e0

  • SSDEEP

    3072:HmbW810tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWi9:Gqa4QxL7B9W0c1RCzR/fSmlF

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.f4414af47921d04cda893e807bf0ddb0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.f4414af47921d04cda893e807bf0ddb0_JC.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\Users\Admin\rauor.exe
      "C:\Users\Admin\rauor.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\rauor.exe

    Filesize

    204KB

    MD5

    4ee2d12cece43a44c304387509f09efc

    SHA1

    42c0b4442c3ef108770af8e68c2fcaf001bd2830

    SHA256

    09f9b4c14d23eb3846c1d3374a2699e75046ec8b2be5c581beb37632303b08b0

    SHA512

    d89c299175668f5f4aa012bb18754d4b03270e18ab8490f90f206c8c265ceee550f2420583a4193db77dd5515c8898bc7b58a6f4d718a63f540af0c5a09f8290

  • C:\Users\Admin\rauor.exe

    Filesize

    204KB

    MD5

    4ee2d12cece43a44c304387509f09efc

    SHA1

    42c0b4442c3ef108770af8e68c2fcaf001bd2830

    SHA256

    09f9b4c14d23eb3846c1d3374a2699e75046ec8b2be5c581beb37632303b08b0

    SHA512

    d89c299175668f5f4aa012bb18754d4b03270e18ab8490f90f206c8c265ceee550f2420583a4193db77dd5515c8898bc7b58a6f4d718a63f540af0c5a09f8290

  • C:\Users\Admin\rauor.exe

    Filesize

    204KB

    MD5

    4ee2d12cece43a44c304387509f09efc

    SHA1

    42c0b4442c3ef108770af8e68c2fcaf001bd2830

    SHA256

    09f9b4c14d23eb3846c1d3374a2699e75046ec8b2be5c581beb37632303b08b0

    SHA512

    d89c299175668f5f4aa012bb18754d4b03270e18ab8490f90f206c8c265ceee550f2420583a4193db77dd5515c8898bc7b58a6f4d718a63f540af0c5a09f8290