Extracted

• • Target

    launcher.exe.exe

  • Size

    40.0MB

  • MD5

    bad6b4ffa6b16bbd802f3f4f887760b2

  • SHA1

    d45d0a086cf87cf14aa129a9b34d5c9f80ab6ae2

  • SHA256

    a13dd805f2700173d410809954b9d98ae3586c0c65c20270a378887d83b738b0

  • SHA512

    fc0398c9ab294dc3f379e1129fbb20e35fcbae728a1619aa3c1f316541dbbb717d9662feca11dd2e1f45c814b2debb9468b99830c8ea33ebff47bc474a87cd1c

  • SSDEEP

    786432:IDOEGyqaCfzdbbTBYlx6Tstl7wi48Yi/xOMx75Ss5VR4L50IhbURTq3:ID7glBYyYtxw58rxOMFXRRIhbU1O

  Score

  10^/10

  umbralxmrigcredential_accessdiscoveryevasionexecutionminerpersistencespywarestealerprivilege_escalation

  • Detect Umbral payload

  • Modifies WinLogon for persistence

    persistence

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Umbral family

    umbral

  • Xmrig family

    xmrig

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig

  • XMRig Miner payload

    miner

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Drops file in Drivers directory

  • Event Triggered Execution: AppInit DLLs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    persistenceprivilege_escalation

  • Stops running service(s)

    evasionexecution

  • Checks computer location settings

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

  • Credentials from Password Stores: Windows Credential Manager

    Suspicious access to Credentials History.

    credential_accessstealer

  • 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.

    spywarestealer

  • Adds Run key to start application

    persistence

  • 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.

  • Power Settings

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    persistence

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2