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General

  • Target

    61260d7384abdbdf1ca775670bc8c19a0fae83b36f5c45913f8309fe15ce2af9.exe

  • Size

    1.8MB

  • Sample

    250326-fqgl7axxes

  • MD5

    442fc32065555d167806a2a766454b88

  • SHA1

    10882938da5aed6fe9e2d7df16919aca6e849eff

  • SHA256

    61260d7384abdbdf1ca775670bc8c19a0fae83b36f5c45913f8309fe15ce2af9

  • SHA512

    c19e959174d1e266302d782ffb43ffdd891387c4121fa5949f20b6e7d932326f76a972c0bb55cdb4cf51bb49987cd69426100e745f20def59d90fa73add80fe7

  • SSDEEP

    49152:TnkrXn/GImQqXv0k14QUpvyXW+rKKM2F0luHM4iON6I3sd1:TnkTn/Gqq/B17uvV+PMQMuse

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

amadey

Version

5.21

Botnet

092155

C2

http://176.113.115.6

Attributes
  • install_dir

    bb556cff4a

  • install_file

    rapes.exe

  • strings_key

    a131b127e996a898cd19ffb2d92e481b

  • url_paths

    /Ni9kiput/index.php

rc4.plain

Extracted

Family

stealc

Botnet

trump

C2

http://45.93.20.28

Attributes
  • url_path

    /85a1cacf11314eb8.php

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Targets

    • Target

      61260d7384abdbdf1ca775670bc8c19a0fae83b36f5c45913f8309fe15ce2af9.exe

    • Size

      1.8MB

    • MD5

      442fc32065555d167806a2a766454b88

    • SHA1

      10882938da5aed6fe9e2d7df16919aca6e849eff

    • SHA256

      61260d7384abdbdf1ca775670bc8c19a0fae83b36f5c45913f8309fe15ce2af9

    • SHA512

      c19e959174d1e266302d782ffb43ffdd891387c4121fa5949f20b6e7d932326f76a972c0bb55cdb4cf51bb49987cd69426100e745f20def59d90fa73add80fe7

    • SSDEEP

      49152:TnkrXn/GImQqXv0k14QUpvyXW+rKKM2F0luHM4iON6I3sd1:TnkTn/Gqq/B17uvV+PMQMuse

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Detects Healer an antivirus disabler dropper

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • Modifies security service

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Command and Scripting Interpreter: PowerShell

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Possible privilege escalation attempt

    • Sets service image path in registry

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Modifies file permissions

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks