General

  • Target

    20790276229.zip

  • Size

    3.4MB

  • Sample

    250115-s5n12axjfw

  • MD5

    e36509110661b196b0e7cd0c4b3c3106

  • SHA1

    eafc405a7df35a842fa410577ab852fffbb0898b

  • SHA256

    0a95f4183ce8b2226160c92031f77b4ba5a1e96728a20e773d120ffa180cbaae

  • SHA512

    b1f0d346529f327503a164c04d8bc61af827e0f980aca7e2c35bceb0a1b2fc551b42ba947847d9bd3a77f9fbd831fd87602bf9df0ae253c0cb622f31f76c46a5

  • SSDEEP

    98304:PRQmu3qm48hoDPS+XvAvV9ucnqnudIZanRubjbCZ:GmuG82OiGmcnqnudTnig

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

51.89.44.68:8848

Mutex

etb3t1tr5n

Attributes
  • delay

    1

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %Temp%

aes.plain

Targets

    • Target

      452c77d9be7b82107a1325d98f75d0194e61c311e4fa7204a15b52e42bc3c2d2

    • Size

      3.6MB

    • MD5

      159cb32f97f5a5297b9ef46e16556631

    • SHA1

      d9a2cee6035f972e395015c0847ffd491a65b284

    • SHA256

      452c77d9be7b82107a1325d98f75d0194e61c311e4fa7204a15b52e42bc3c2d2

    • SHA512

      6e974f974d1cb3104e20a51cbe7a636bd81af111ff64784f58a3194acaf6970545436cdc9ee6182a58c168e5aed68a3929baddf0c5227743496ee252136c1e77

    • SSDEEP

      98304:2kqXf0FlL9nrYAWAZi6sfLxkuahjCOeX9YG9see5GnRyCAm0makxH13C:2kSIlLtzWAXAkuujCPX9YG9he5GnQCAL

    • AsyncRat

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

    • Asyncrat family

    • Async RAT payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks