Resubmissions

01-08-2024 09:07

240801-k3tjqsshkp 10

01-08-2024 08:56

240801-kv1m3ssekn 10

General

  • Target

    7AA4185295AB3F4F896704AED05C0795.exe

  • Size

    21.3MB

  • Sample

    240801-k3tjqsshkp

  • MD5

    7aa4185295ab3f4f896704aed05c0795

  • SHA1

    3ae4ec10990ff35a466328f1bc0e8ece616df3c3

  • SHA256

    cb300f10e391aa185ea9555d9122f91dca8eb2dfb064f14180340f48b83be623

  • SHA512

    997ffd6fae8e72b7ca5c62f7de9a9a2c487580b0fec589d305c485163ff873539baa20c5791c3626403cf824a02ebf458c24e28236eae45a75461d1ba88a9e45

  • SSDEEP

    393216:jVymy1SvjN1GnU7s1/aRUFWYbyemyzgnfpyyxlj3OMddmZceVUJA9OhBI1Hs7:Em+SvZs+sldbzgRhFldmZceX9OP7

Malware Config

Targets

    • Target

      7AA4185295AB3F4F896704AED05C0795.exe

    • Size

      21.3MB

    • MD5

      7aa4185295ab3f4f896704aed05c0795

    • SHA1

      3ae4ec10990ff35a466328f1bc0e8ece616df3c3

    • SHA256

      cb300f10e391aa185ea9555d9122f91dca8eb2dfb064f14180340f48b83be623

    • SHA512

      997ffd6fae8e72b7ca5c62f7de9a9a2c487580b0fec589d305c485163ff873539baa20c5791c3626403cf824a02ebf458c24e28236eae45a75461d1ba88a9e45

    • SSDEEP

      393216:jVymy1SvjN1GnU7s1/aRUFWYbyemyzgnfpyyxlj3OMddmZceVUJA9OhBI1Hs7:Em+SvZs+sldbzgRhFldmZceX9OP7

    • Discord RAT

      A RAT written in C# using Discord as a C2.

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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.

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Clipboard Data

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

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks