General

  • Target

    Hesap_Hareketleri__20230929_194202031.exe

  • Size

    595KB

  • Sample

    231011-hfnc4afd7s

  • MD5

    816c7761599a4e2b666d2e47e380c615

  • SHA1

    6e1de32829fce91c28e24f42972575ba4803318c

  • SHA256

    10979714162c9b426a7e9b2e14a582b03b4153bdf3cbce775b69b505a2463cd0

  • SHA512

    e242b3b046c32feeedfcf493683daef8c6647447e7cb35b1f96f87f87f96ff752890764bb1cfeed13c72906da075ca0dc009600191510927df648faec4d063f5

  • SSDEEP

    12288:bJFl3t6SU4VbiQQoiu6dqHnqczOYhT9/yLhUQ8vFheac4FdKwJ4mAp:Dl9aMb6okqHuQaL89VcSgwKp

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gkas.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Gkasteknik@2022

Targets

    • Target

      Hesap_Hareketleri__20230929_194202031.exe

    • Size

      595KB

    • MD5

      816c7761599a4e2b666d2e47e380c615

    • SHA1

      6e1de32829fce91c28e24f42972575ba4803318c

    • SHA256

      10979714162c9b426a7e9b2e14a582b03b4153bdf3cbce775b69b505a2463cd0

    • SHA512

      e242b3b046c32feeedfcf493683daef8c6647447e7cb35b1f96f87f87f96ff752890764bb1cfeed13c72906da075ca0dc009600191510927df648faec4d063f5

    • SSDEEP

      12288:bJFl3t6SU4VbiQQoiu6dqHnqczOYhT9/yLhUQ8vFheac4FdKwJ4mAp:Dl9aMb6okqHuQaL89VcSgwKp

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • UAC bypass

    • Windows security bypass

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks