General

  • Target

    653653a065697ddce04ed878286381f0259d1f8ff7ec58a9897ef88b587b1e96

  • Size

    1.8MB

  • Sample

    240601-vvaf1ahe6t

  • MD5

    ea04f032b6a49496abcc623b28f97a9d

  • SHA1

    0557be255302a315b1515b1aae0ba96a67a7421f

  • SHA256

    653653a065697ddce04ed878286381f0259d1f8ff7ec58a9897ef88b587b1e96

  • SHA512

    2818a47f764076796a10c40dd8aca6e2d2e5c4509f01cf4553fd017fa41fd981ce4123898cd5db00e219422d3bedfa57f8d44c1e90ab29b9552d5146a68c4039

  • SSDEEP

    49152:Rv0h3dVtV2fZWS3X8q1/GFyXsYk2u2YYp8SWVApMy0cf:AtDYiqmrYk2uwWVuic

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

0e6740

C2

http://147.45.47.155

Attributes
  • install_dir

    9217037dc9

  • install_file

    explortu.exe

  • strings_key

    8e894a8a4a3d0da8924003a561cfb244

  • url_paths

    /ku4Nor9/index.php

rc4.plain

Extracted

Family

amadey

Version

4.21

Botnet

49e482

C2

http://147.45.47.70

Attributes
  • install_dir

    1b29d73536

  • install_file

    axplont.exe

  • strings_key

    4d31dd1a190d9879c21fac6d87dc0043

  • url_paths

    /tr8nomy/index.php

rc4.plain

Extracted

Family

asyncrat

Version

AsyncRAT

Botnet

Fresh

C2

pepecasas123.net:4608

Mutex

AsyncMutex_5952

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

risepro

C2

147.45.47.126:58709

Extracted

Family

smokeloader

Botnet

pub2

Targets

    • Target

      653653a065697ddce04ed878286381f0259d1f8ff7ec58a9897ef88b587b1e96

    • Size

      1.8MB

    • MD5

      ea04f032b6a49496abcc623b28f97a9d

    • SHA1

      0557be255302a315b1515b1aae0ba96a67a7421f

    • SHA256

      653653a065697ddce04ed878286381f0259d1f8ff7ec58a9897ef88b587b1e96

    • SHA512

      2818a47f764076796a10c40dd8aca6e2d2e5c4509f01cf4553fd017fa41fd981ce4123898cd5db00e219422d3bedfa57f8d44c1e90ab29b9552d5146a68c4039

    • SSDEEP

      49152:Rv0h3dVtV2fZWS3X8q1/GFyXsYk2u2YYp8SWVApMy0cf:AtDYiqmrYk2uwWVuic

    • Amadey

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

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Modifies firewall policy service

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • UAC bypass

    • Windows security bypass

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

    • Modifies boot configuration data using bcdedit

    • 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.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Installed Components in the registry

    • Sets service image path in registry

    • 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.

    • Drops startup file

    • 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.

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Windows security modification

    • Adds Run key to start application

    • 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.

    • Checks whether UAC is enabled

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • 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.

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks