General

  • Target

    cnchecker4

  • Size

    6.8MB

  • Sample

    241123-vr7bkavlfp

  • MD5

    0c49a3be203b3c6394e67fa131e3c300

  • SHA1

    cafa1d4725e078ec7ea78a108b49593d6c29198d

  • SHA256

    dc0ac276ec83d53e1c05b0f88a47515871f19df0686530258d6ce7184b0596c5

  • SHA512

    b664c9ac541aadce54140e7da2c58ae940571501fedb9ea67f48cbfec12873547ea5e9b75b9204553c068fb9de8164eaebdab4083e6594ef31bd34f3ecda79b8

  • SSDEEP

    98304:IwgyO11Iy1eydWy7HSENCW5VVJW6M87w:INPIy1ey1Nzs

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot7289188591:AAFXBqcWy9p_LgUKTwd-Pcl7lvzedUGWL1E/sendMessage?chat_id=8079461533

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      cnchecker4

    • Size

      6.8MB

    • MD5

      0c49a3be203b3c6394e67fa131e3c300

    • SHA1

      cafa1d4725e078ec7ea78a108b49593d6c29198d

    • SHA256

      dc0ac276ec83d53e1c05b0f88a47515871f19df0686530258d6ce7184b0596c5

    • SHA512

      b664c9ac541aadce54140e7da2c58ae940571501fedb9ea67f48cbfec12873547ea5e9b75b9204553c068fb9de8164eaebdab4083e6594ef31bd34f3ecda79b8

    • SSDEEP

      98304:IwgyO11Iy1eydWy7HSENCW5VVJW6M87w:INPIy1ey1Nzs

    • AsyncRat

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

    • Asyncrat family

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

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

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

MITRE ATT&CK Enterprise v15

Tasks