General

  • Target

    sex.exe

  • Size

    6.1MB

  • Sample

    250102-b45hysymbm

  • MD5

    06a11d92b4c9034fde9061fce77b5dfb

  • SHA1

    6421a62fff6d51f57293b669b0083ed423566d80

  • SHA256

    0ff1f7a2f230eb0c641dc7951cba276cf76c678ac0c0af337360d5594eacaaf2

  • SHA512

    fa147a8047023094875b2e3305126a5de8c695e814320fd818ca2736d19fa08034528400b2d3afdbde981d1f49a06d532c32d3442c167ca23d610285e31e34e0

  • SSDEEP

    196608:WSkSIlLTUcwti7TQl2NgVg01MWAXAkuujCPX9YG9he5GnQCAJKN:nkSopwtQQl2aOtXADu8X9Y95GQLJ

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

Extracted

Family

gurcu

C2

https://api.telegram.org/bot8152045153:AAHKgir_sbApACu0yi_YtTY7nKef4DvyTzU/getM

https://api.telegram.org/bot8152045153:AAHKgir_sbApACu0yi_YtTY7nKef4DvyTzU/sendMessage?chat_id=5318001051

Targets

    • Target

      sex.exe

    • Size

      6.1MB

    • MD5

      06a11d92b4c9034fde9061fce77b5dfb

    • SHA1

      6421a62fff6d51f57293b669b0083ed423566d80

    • SHA256

      0ff1f7a2f230eb0c641dc7951cba276cf76c678ac0c0af337360d5594eacaaf2

    • SHA512

      fa147a8047023094875b2e3305126a5de8c695e814320fd818ca2736d19fa08034528400b2d3afdbde981d1f49a06d532c32d3442c167ca23d610285e31e34e0

    • SSDEEP

      196608:WSkSIlLTUcwti7TQl2NgVg01MWAXAkuujCPX9YG9he5GnQCAJKN:nkSopwtQQl2aOtXADu8X9Y95GQLJ

    • AsyncRat

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

    • Asyncrat family

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Async RAT payload

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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

    • Enumerates connected drives

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

    • 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