General

  • Target

    00eb6ba5243e33f10cc30dbb70b255e8d0879f5f9cf1ab20977e75b8d0edb406

  • Size

    1.8MB

  • Sample

    240602-pgg12adb44

  • MD5

    06c5b139a2b0626fc9a808aa50acaff8

  • SHA1

    5d5afea6b46bac600e8ebc0983c5de7aa4460e53

  • SHA256

    00eb6ba5243e33f10cc30dbb70b255e8d0879f5f9cf1ab20977e75b8d0edb406

  • SHA512

    d68581b42f8509f08fbf5cce288c4bdaa90e30ac13ec675095b047f6f4157c8eb1da963dabf2e22e6d64ddea5baf98746de06b644d4db9d2041c954b779d2221

  • SSDEEP

    49152:MBPg8gQ1KuNcVQ+1vzAXEtqmgnyv6BhZxRmT:wfV3rKkXEtqmgyCBhZxQ

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://94.103.188.126/jerry/putty.zip

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

risepro

C2

147.45.47.126:58709

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

redline

Botnet

newbild

C2

185.215.113.67:40960

Targets

    • Target

      00eb6ba5243e33f10cc30dbb70b255e8d0879f5f9cf1ab20977e75b8d0edb406

    • Size

      1.8MB

    • MD5

      06c5b139a2b0626fc9a808aa50acaff8

    • SHA1

      5d5afea6b46bac600e8ebc0983c5de7aa4460e53

    • SHA256

      00eb6ba5243e33f10cc30dbb70b255e8d0879f5f9cf1ab20977e75b8d0edb406

    • SHA512

      d68581b42f8509f08fbf5cce288c4bdaa90e30ac13ec675095b047f6f4157c8eb1da963dabf2e22e6d64ddea5baf98746de06b644d4db9d2041c954b779d2221

    • SSDEEP

      49152:MBPg8gQ1KuNcVQ+1vzAXEtqmgnyv6BhZxRmT:wfV3rKkXEtqmgyCBhZxQ

    • 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.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • UAC bypass

    • Windows security bypass

    • 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.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Enumerates connected drives

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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • 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.

    • Maps connected drives based on registry

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

    • 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