General

  • Target

    Bootstrapper.exe

  • Size

    23.3MB

  • Sample

    241114-cr5hvswqek

  • MD5

    e07b5bf0804b2ffc61783f4ec36f7adb

  • SHA1

    dcf2cfb58bc36309307a5c60062b3da52ade2d0a

  • SHA256

    0d640ed3daf513816f6f75b29bd07500206b03594ab9497fb941cfb051ef797b

  • SHA512

    ac0b957f0f2807967027565d5dc7851e3383affc814c17c1a5889c70c93a0295421ec5af81c15298aed93ed3349c7d4be915f146fdf3a6c53aeb1b339973101e

  • SSDEEP

    393216:hzv5/IiNlq1TTsWO5OGKdq4Nw5wqr1PF7V7Hfk7Vupj+RFgnj4gFuIdYWg3Gy5Be:1B/IizAsWO5Mc4Nm5PFRc7Qign0SwpGr

Malware Config

Targets

    • Target

      Bootstrapper.exe

    • Size

      23.3MB

    • MD5

      e07b5bf0804b2ffc61783f4ec36f7adb

    • SHA1

      dcf2cfb58bc36309307a5c60062b3da52ade2d0a

    • SHA256

      0d640ed3daf513816f6f75b29bd07500206b03594ab9497fb941cfb051ef797b

    • SHA512

      ac0b957f0f2807967027565d5dc7851e3383affc814c17c1a5889c70c93a0295421ec5af81c15298aed93ed3349c7d4be915f146fdf3a6c53aeb1b339973101e

    • SSDEEP

      393216:hzv5/IiNlq1TTsWO5OGKdq4Nw5wqr1PF7V7Hfk7Vupj+RFgnj4gFuIdYWg3Gy5Be:1B/IizAsWO5Mc4Nm5PFRc7Qign0SwpGr

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Drops startup file

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Blocklisted process makes network request

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks