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General

  • Target

    loader.exe

  • Size

    14.4MB

  • Sample

    240905-nl78cazhlf

  • MD5

    0b36da64b85e5abae7a93017d46dcce1

  • SHA1

    40506f88be2a8f9fc03083f8d934b58fe22c3ae5

  • SHA256

    0ca594179661c1ec0c7ec592be1995a14e2b0d13d0bd7a3420cb49e6254d2903

  • SHA512

    a0a8fbb2127451ae7c776fff5e2d26d1d8e035527010f7f91a2904a76edfcaa054bf5becddc29fbe98e49bd211f8ae1f94c884e8e92c9b62984313cf843d9572

  • SSDEEP

    196608:tzElGkSaXkbEzeMeHJJ4u/RVyjwnx4YpXNzP0nreN:5ElGbFbEzVO4u/Rg9YTzF

Malware Config

Targets

    • Target

      loader.exe

    • Size

      14.4MB

    • MD5

      0b36da64b85e5abae7a93017d46dcce1

    • SHA1

      40506f88be2a8f9fc03083f8d934b58fe22c3ae5

    • SHA256

      0ca594179661c1ec0c7ec592be1995a14e2b0d13d0bd7a3420cb49e6254d2903

    • SHA512

      a0a8fbb2127451ae7c776fff5e2d26d1d8e035527010f7f91a2904a76edfcaa054bf5becddc29fbe98e49bd211f8ae1f94c884e8e92c9b62984313cf843d9572

    • SSDEEP

      196608:tzElGkSaXkbEzeMeHJJ4u/RVyjwnx4YpXNzP0nreN:5ElGbFbEzVO4u/Rg9YTzF

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks