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General

  • Target

    05c8f3700c6327871c199be6417c5c9c.exe

  • Size

    1.9MB

  • Sample

    250326-h2an5ayyhw

  • MD5

    05c8f3700c6327871c199be6417c5c9c

  • SHA1

    8f4862310762601e271ac27535382d5c7ed740e7

  • SHA256

    18cd20dd8567ce6137508f9dece0571f32741ddaa15d8884ad090a4dce7bab1a

  • SHA512

    76ea3ebcbe8397496a39cb278251839afa966a04a0451891c8300b1a97136b981ba04f903c6f85d83e8724346dda84613a3b99a52c2da4feff72f6d0f35e9bbc

  • SSDEEP

    49152:qsbYVKQjiw4DQIf0XkzgUAkDObQLNuWHxr7+:LRw4EXgObmHx

Malware Config

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

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

stealc

Botnet

trump

C2

http://45.93.20.28

Attributes
  • url_path

    /85a1cacf11314eb8.php

Targets

    • Target

      05c8f3700c6327871c199be6417c5c9c.exe

    • Size

      1.9MB

    • MD5

      05c8f3700c6327871c199be6417c5c9c

    • SHA1

      8f4862310762601e271ac27535382d5c7ed740e7

    • SHA256

      18cd20dd8567ce6137508f9dece0571f32741ddaa15d8884ad090a4dce7bab1a

    • SHA512

      76ea3ebcbe8397496a39cb278251839afa966a04a0451891c8300b1a97136b981ba04f903c6f85d83e8724346dda84613a3b99a52c2da4feff72f6d0f35e9bbc

    • SSDEEP

      49152:qsbYVKQjiw4DQIf0XkzgUAkDObQLNuWHxr7+:LRw4EXgObmHx

    • Amadey

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

    • Amadey family

    • Detects Healer an antivirus disabler dropper

    • 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 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