General

  • Target

    7a5c7d41661c07aab56e46b7ab2b4a40b0b8be68f5bf6770932c4925b0ccc5bf.bat

  • Size

    762B

  • Sample

    250117-gtlkzstrgy

  • MD5

    3bc876ec13e78ae0b6dcd7fd090e5d79

  • SHA1

    cc7e4241cc16734ee88c62d44e3380e3b8fea252

  • SHA256

    7a5c7d41661c07aab56e46b7ab2b4a40b0b8be68f5bf6770932c4925b0ccc5bf

  • SHA512

    7534ead66565f1c28e0295382407a68ef3426816c3ac3c374ea7be408d80ef0663a708baa9df90e756a27fbfb271651aff6ce8b5f5025f0ac6b3e254532177f6

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://res.cloudinary.com/dz07tpeae/image/upload/v1736281357/buq8k0r4nmws3n72p2re.jpg%20

exe.dropper

https://res.cloudinary.com/dz07tpeae/image/upload/v1736281357/buq8k0r4nmws3n72p2re.jpg%20

Extracted

Family

asyncrat

Version

| nelsontriana980

Botnet

Enero

C2

94.154.35.80:6660

94.154.35.80:7770

94.154.35.80:8880

test20250107salv.duckdns.org:6660

test20250107salv.duckdns.org:7770

test20250107salv.duckdns.org:8880

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      7a5c7d41661c07aab56e46b7ab2b4a40b0b8be68f5bf6770932c4925b0ccc5bf.bat

    • Size

      762B

    • MD5

      3bc876ec13e78ae0b6dcd7fd090e5d79

    • SHA1

      cc7e4241cc16734ee88c62d44e3380e3b8fea252

    • SHA256

      7a5c7d41661c07aab56e46b7ab2b4a40b0b8be68f5bf6770932c4925b0ccc5bf

    • SHA512

      7534ead66565f1c28e0295382407a68ef3426816c3ac3c374ea7be408d80ef0663a708baa9df90e756a27fbfb271651aff6ce8b5f5025f0ac6b3e254532177f6

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks