General

  • Target
    SyncSpoofer.exe
  • Size 276KB
  • Sample240827-t2seqasbmr
  • SHA256 92c799a2fd29060a44558a153d1ff5866e420e46b35bdd4546c782c17d4bb50f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • gurcu

C2
  • https://api.telegram.org/bot7308213044:AAFm9yNR1WX2-QnC_ZcUdYHkkJGg7179JYE/sendMessag

Targets

    • Target
      SyncSpoofer.exe
    • Size 276KB
    • SHA256 92c799a2fd29060a44558a153d1ff5866e420e46b35bdd4546c782c17d4bb50f
    • MD5 SHA1 SHA512 SSDEEP
    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • PureLog Stealer

      PureLog Stealer is an infostealer written in C#.

    • PureLog Stealer payload

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Maps connected drives based on registry

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks