Analysis

  • max time kernel
    170s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 17:04

General

  • Target

    9805195e5550c6a9da0cf9bca510cf328c55b72076b84551872b19672da7913b.exe

  • Size

    196KB

  • MD5

    3757d67d6b352bdabdd7359b3d21ed23

  • SHA1

    d466234cc88ffc0a8fd661a6a78212f41e157997

  • SHA256

    9805195e5550c6a9da0cf9bca510cf328c55b72076b84551872b19672da7913b

  • SHA512

    f8d9241f2e11f3c13f43507bcdcb566122c00d860431d9e089fd51c0fe9aee11111ebdebcfe9b8cd244b813c483fc20670c4c44016044c143a8db761c02bf5b7

  • SSDEEP

    6144:+kb4K16oTJWvfU4+bOl8femcK/fObT/bGimszUf7Wqy:51AoTMvs4+bOlNK/fObT/bGipE78

Score
10/10

Malware Config

Signatures

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

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

  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\9805195e5550c6a9da0cf9bca510cf328c55b72076b84551872b19672da7913b.exe
    "C:\Users\Admin\AppData\Local\Temp\9805195e5550c6a9da0cf9bca510cf328c55b72076b84551872b19672da7913b.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:3392
    • C:\Users\Admin\kiiga.exe
      "C:\Users\Admin\kiiga.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:1020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\kiiga.exe

    Filesize

    196KB

    MD5

    e17ba7069ed1b0228b1b943d38176da3

    SHA1

    d4323952f4bf2a3a818f9fa4a038c368e84537c6

    SHA256

    1add5afe2373ab0f82094ad3b530ff297953eae89175e94ea5da5b5e5289a616

    SHA512

    807400353d494fe59eb30362c998527d24a837fdf3280bbaa621a75a4222da2b47bf941d6541f724923b06fa7abc77dfeeba7df5de34512bdc71a9ce101fe789

  • C:\Users\Admin\kiiga.exe

    Filesize

    196KB

    MD5

    e17ba7069ed1b0228b1b943d38176da3

    SHA1

    d4323952f4bf2a3a818f9fa4a038c368e84537c6

    SHA256

    1add5afe2373ab0f82094ad3b530ff297953eae89175e94ea5da5b5e5289a616

    SHA512

    807400353d494fe59eb30362c998527d24a837fdf3280bbaa621a75a4222da2b47bf941d6541f724923b06fa7abc77dfeeba7df5de34512bdc71a9ce101fe789

  • memory/1020-134-0x0000000000000000-mapping.dmp