General

  • Target

    AsyncClient.exe

  • Size

    47KB

  • Sample

    240816-rqd2vayhpe

  • MD5

    2fdc954cd7e67e334bfe190bbb64d0ba

  • SHA1

    315f1f6606857285750f5017f5dc8bb18cb9ce64

  • SHA256

    49ed02a2f8ace5109a2f4338337adcf13b5ede8cf604e8503b6104b1b15abac8

  • SHA512

    74dbdfec21a062afbed84ecdfeb1a8f4ce7263fa8dcf19cfad69eaa3614d25756d3c99ab1d2470ea0f8c13bb04c5519a4738f0fd021a5d3ab63d1ec72f10405f

  • SSDEEP

    768:Auk0VT3ongoWU2Gjimo2qr574wBW1APIz9G464EP0bSVKbAg+oa1BmM7ikjMbvvO:Auk0VT3Q+2GDBW1l5G4647bShb1BekAC

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:7707

127.0.0.1:8808

Mutex

fXvhcv23OBXx

Attributes
  • delay

    3

  • install

    true

  • install_file

    hey.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient.exe

    • Size

      47KB

    • MD5

      2fdc954cd7e67e334bfe190bbb64d0ba

    • SHA1

      315f1f6606857285750f5017f5dc8bb18cb9ce64

    • SHA256

      49ed02a2f8ace5109a2f4338337adcf13b5ede8cf604e8503b6104b1b15abac8

    • SHA512

      74dbdfec21a062afbed84ecdfeb1a8f4ce7263fa8dcf19cfad69eaa3614d25756d3c99ab1d2470ea0f8c13bb04c5519a4738f0fd021a5d3ab63d1ec72f10405f

    • SSDEEP

      768:Auk0VT3ongoWU2Gjimo2qr574wBW1APIz9G464EP0bSVKbAg+oa1BmM7ikjMbvvO:Auk0VT3Q+2GDBW1l5G4647bShb1BekAC

    • AsyncRat

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

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks