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Analysis

  • max time kernel
    154s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 16:27

General

  • Target

    15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe

  • Size

    328KB

  • MD5

    3b3e5735ff623b828ade3ef9b29248e0

  • SHA1

    364fe060ced5a06f4e1d318ca3b91f190fc8c2e1

  • SHA256

    15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3

  • SHA512

    ff197661d218822861f5e0fde92651e7e3737333a4cc84c77eafd2b74d1b5365a82a6fa598d3d1cf9b6a6ff12404082d9557bf2e78c73d4fd79c4cfab74bf5a9

  • SSDEEP

    3072:aaS1jxKgNxe3uD7mEVSuekhGkYrQRVZq3eFo4ejLnlQISQLpyhZu6qyKT4pS04/F:qnNxx2WGk1Y3nmQcuyKT4wLOdRNw

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 29 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\15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe
    "C:\Users\Admin\AppData\Local\Temp\15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.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:1104
    • C:\Users\Admin\giakia.exe
      "C:\Users\Admin\giakia.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:1308

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\giakia.exe

    Filesize

    328KB

    MD5

    6ff8d5776a715514fae7f5ef75ec69e2

    SHA1

    212792a745ad7d01a68066eb31b1eca50bfc22f6

    SHA256

    1070ef07c3ff677c72a95543183be81d00f7cbdfafa905747f201708d52f29b4

    SHA512

    6bd3ba6472afb3e1a03147658ce8a86a5df256cb807aa26f5078428a163fd7e7268ba82ef1c88b367b64021644de87869a368d5a84d95d9bec14284e63524a9d

  • C:\Users\Admin\giakia.exe

    Filesize

    328KB

    MD5

    6ff8d5776a715514fae7f5ef75ec69e2

    SHA1

    212792a745ad7d01a68066eb31b1eca50bfc22f6

    SHA256

    1070ef07c3ff677c72a95543183be81d00f7cbdfafa905747f201708d52f29b4

    SHA512

    6bd3ba6472afb3e1a03147658ce8a86a5df256cb807aa26f5078428a163fd7e7268ba82ef1c88b367b64021644de87869a368d5a84d95d9bec14284e63524a9d