General

  • Target

    Bootstrapper.exe

  • Size

    8.6MB

  • Sample

    241127-zarl1avqdr

  • MD5

    0e38cfa2000ec11b550eb8c33b8edb88

  • SHA1

    e541797b3f4c4a25e7b1d906328d975585f727f0

  • SHA256

    8b4964f47b29d20eded08b48a372e55dd6cdcb83fb6ceee17ea6b5e77ecd89d2

  • SHA512

    ca1de9f82bd5885dae93a7cd305f479ecf56604eba857f3aa9ada9526227213a13307a85a96dcd83633b4faf4dbef52facff7127d4d308cc68dc9f0c73254e25

  • SSDEEP

    196608:xCQcYJCxe+1urErvI9pWjgN3ZdahF0pbH1AVX/O2kiGrUniC+ICz0fSn87:xvYurEUWjqeWxaNrGrgSV+

Malware Config

Targets

    • Target

      Bootstrapper.exe

    • Size

      8.6MB

    • MD5

      0e38cfa2000ec11b550eb8c33b8edb88

    • SHA1

      e541797b3f4c4a25e7b1d906328d975585f727f0

    • SHA256

      8b4964f47b29d20eded08b48a372e55dd6cdcb83fb6ceee17ea6b5e77ecd89d2

    • SHA512

      ca1de9f82bd5885dae93a7cd305f479ecf56604eba857f3aa9ada9526227213a13307a85a96dcd83633b4faf4dbef52facff7127d4d308cc68dc9f0c73254e25

    • SSDEEP

      196608:xCQcYJCxe+1urErvI9pWjgN3ZdahF0pbH1AVX/O2kiGrUniC+ICz0fSn87:xvYurEUWjqeWxaNrGrgSV+

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • 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.

    • 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