General

  • Target

    Hapril-29-receipt.vbs

  • Size

    61KB

  • Sample

    240430-gfsr5sed2x

  • MD5

    7bbe521c7583541ddadce88a74b2127e

  • SHA1

    e0ee662e0929fb4f3d54cc2e6ac89685bdc2b95d

  • SHA256

    47a6a185de48b415541de963fe0a2a758d1dd97daeed34a8b6b8c385d122e936

  • SHA512

    879dede45c8b4a6871f097ac224c141513bddf281a1da050112cf6ff3abb9de4f64d8839b99cd72159cdf045ed7d1b99b7ddb1fc4cacd247a62cbe471f6ea49f

  • SSDEEP

    384:FZAaML0ULGtTEueCB+B6pnpMWTxIRpu8kN6jM1L7Kc0Z6EXJg:7xzB+BKiWTxIRg8kNq9ZJZg

Malware Config

Extracted

Family

xworm

Version

3.1

C2

aprilxrwonew8450.duckdns.org:8450

Mutex

0VZWHbNr1OapRPc5

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

remcos

Botnet

RemoteHost

C2

remco8100.duckdns.org:8100

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-G51VNO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Hapril-29-receipt.vbs

    • Size

      61KB

    • MD5

      7bbe521c7583541ddadce88a74b2127e

    • SHA1

      e0ee662e0929fb4f3d54cc2e6ac89685bdc2b95d

    • SHA256

      47a6a185de48b415541de963fe0a2a758d1dd97daeed34a8b6b8c385d122e936

    • SHA512

      879dede45c8b4a6871f097ac224c141513bddf281a1da050112cf6ff3abb9de4f64d8839b99cd72159cdf045ed7d1b99b7ddb1fc4cacd247a62cbe471f6ea49f

    • SSDEEP

      384:FZAaML0ULGtTEueCB+B6pnpMWTxIRpu8kN6jM1L7Kc0Z6EXJg:7xzB+BKiWTxIRg8kNq9ZJZg

    • Detect Xworm Payload

    • Detect ZGRat V1

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks