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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2024, 14:03

General

  • Target

    cb982c2b5a56cbb3bdbc5d83a611ebe5.exe

  • Size

    224KB

  • MD5

    cb982c2b5a56cbb3bdbc5d83a611ebe5

  • SHA1

    a0c412b46502dea1e3c42612210554e789d45db6

  • SHA256

    75e6ca0c7570823a3fea12faf3a9fb055618f25fe3fccecb7857cefcf5f021ab

  • SHA512

    548fb3c3b538ab17353581c71aefa2e1eb7ef90de2df72b47396afa91c3594e70a2dc0e3e1b3f03b089c88e0c5a28b1d20f31d7c2c29298683c369a4eb9ab3f7

  • SSDEEP

    6144:9p511DifkpJFhSpe/+Ij7NweeJEKlJ85eg/0ISDhfq:9p51RisJXKIj3e6Rvd/

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 50 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\cb982c2b5a56cbb3bdbc5d83a611ebe5.exe
    "C:\Users\Admin\AppData\Local\Temp\cb982c2b5a56cbb3bdbc5d83a611ebe5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Users\Admin\touicif.exe
      "C:\Users\Admin\touicif.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:4620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\touicif.exe

    Filesize

    224KB

    MD5

    30f65f8f3ea2dc76668c71ca11c72ba3

    SHA1

    998fbaf5c96e0ed6f373176695b127b0caa355dd

    SHA256

    b836b6d1b373dab983337dabd0bbc2e505dfe47464df797c5cd46f0416a9ffa4

    SHA512

    1f9ac36e3cb48fb866c77550559f04dbbc9150607813aa12e878214e7612b2fd0818b1487d2cfce70a58325f008e1ff7e25a9ff38bd24eae80f56799b1a63178