General

  • Target

    cc3142e5a57ed925b842b9518b73dd50bf2e670ca954cffcec931adaf2c7f943.wsf

  • Size

    259KB

  • Sample

    250128-n939asxrct

  • MD5

    79615b779cd90313367de9f6b05eb87e

  • SHA1

    d4b2b0caffacb205898c6590eb28840933535d97

  • SHA256

    cc3142e5a57ed925b842b9518b73dd50bf2e670ca954cffcec931adaf2c7f943

  • SHA512

    b07ab709a4431031f7e2e939ff82572accb8bbe6464479c8e9bfc399aec7da233c21f901d9a8d952fe077486c579b1de0d24f1632f96ec1ba39b81f6736fb9db

  • SSDEEP

    3072:6XGxpnyPWD4v6V2BBGKBukGl4a3j3iFNj6pWFAc8ytiO8ywbv7r3SopyPCEXQkPK:Rt5M6c/n1x/rzAcfqys28Eq59CY

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

00000001

C2

81.10.39.58:7077

Mutex

AsyncMutex_alosh

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      cc3142e5a57ed925b842b9518b73dd50bf2e670ca954cffcec931adaf2c7f943.wsf

    • Size

      259KB

    • MD5

      79615b779cd90313367de9f6b05eb87e

    • SHA1

      d4b2b0caffacb205898c6590eb28840933535d97

    • SHA256

      cc3142e5a57ed925b842b9518b73dd50bf2e670ca954cffcec931adaf2c7f943

    • SHA512

      b07ab709a4431031f7e2e939ff82572accb8bbe6464479c8e9bfc399aec7da233c21f901d9a8d952fe077486c579b1de0d24f1632f96ec1ba39b81f6736fb9db

    • SSDEEP

      3072:6XGxpnyPWD4v6V2BBGKBukGl4a3j3iFNj6pWFAc8ytiO8ywbv7r3SopyPCEXQkPK:Rt5M6c/n1x/rzAcfqys28Eq59CY

    • AsyncRat

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

    • Asyncrat family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks