General

  • Target

    a079cae4d890636c6efa593478a3f660N.exe

  • Size

    120KB

  • Sample

    240819-k19syaydpk

  • MD5

    a079cae4d890636c6efa593478a3f660

  • SHA1

    9bc58bc0f01ed32acff41d5f1252029f347d29cb

  • SHA256

    33e6321d98c24b4effb796dc13f1655138dd78aa8c51f82ffa600ce7cb056421

  • SHA512

    47cc1928c53a63c948b4369edc8dcdc51eb721ed59f6dcfd3b69814f7655a51274c58634e70a931d09113a78fca81bfb5a754d329f63634f082bb6097285b07d

  • SSDEEP

    384:bh3Z2HU/6wUNldJX7Un9NJzySa3XmIupYSgIXAnR+G:32HUcNFENJO32mRwIR

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/bot7176059714:AAHLQAohqhJW7FGmgGL4d1LQXdAckM2UGto/sendMessage?chat_id=1498157292

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      a079cae4d890636c6efa593478a3f660N.exe

    • Size

      120KB

    • MD5

      a079cae4d890636c6efa593478a3f660

    • SHA1

      9bc58bc0f01ed32acff41d5f1252029f347d29cb

    • SHA256

      33e6321d98c24b4effb796dc13f1655138dd78aa8c51f82ffa600ce7cb056421

    • SHA512

      47cc1928c53a63c948b4369edc8dcdc51eb721ed59f6dcfd3b69814f7655a51274c58634e70a931d09113a78fca81bfb5a754d329f63634f082bb6097285b07d

    • SSDEEP

      384:bh3Z2HU/6wUNldJX7Un9NJzySa3XmIupYSgIXAnR+G:32HUcNFENJO32mRwIR

    • AsyncRat

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

    • StormKitty

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

    • StormKitty payload

    • Async RAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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