Extracted

• • Target

    SharcHack.exe

  • Size

    39.9MB

  • MD5

    796310542e9fb2886de3f8cbdf88c9fa

  • SHA1

    01dc8e64ff23db2f177e3d999c12329bfcd206d3

  • SHA256

    9f3b062a0f8caf16be80ac44ade55a8b8e8928ef87ae909f5d6d52aa44208193

  • SHA512

    73295b9cfa07432b21d1f0d0bad360460f32d7e0170dc84406a35f4dfe2b1519fdc4028299f1075385ae4ab738be1e5bfffd7335c1038e2126669834e9a50966

  • SSDEEP

    786432:Y31/CaCJz7+GWl3LNCxuEnwFho+zM77UDZiZCd08jFZJAI5E70TZFHng:URCR6GWl3LMEXFhV0KAcNjxAItjg

  Score

  10^/10

  blackguardxmrigdiscoveryevasionexecutionminerpersistencespywarestealerupxprivilege_escalation

  • BlackGuard

    Infostealer first seen in Late 2021.

    stealerblackguard

  • Blackguard family

    blackguard

  • Modifies security service

    evasion

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • 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

    Using powershell.exe command.

    execution

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Downloads MZ/PE file

  • Stops running service(s)

    evasionexecution

  • Checks computer location settings

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

  • Event Triggered Execution: Component Object Model Hijacking

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation

  • 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

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Checks for any installed AV software in registry

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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

  • UPX packed file

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

    upx
  behavioral1behavioral2