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General

  • Target

    29dbe0a1208dfedac751f580a83fca87.exe

  • Size

    938KB

  • Sample

    250306-hycdjs11ht

  • MD5

    29dbe0a1208dfedac751f580a83fca87

  • SHA1

    5dba16b31a81c541525a169fd76426e7ae9a04fd

  • SHA256

    bced8cc13d6bccdb3f54e578f084b0d31fb987022d2c5e582f3ba31bb77370f9

  • SHA512

    153ada7a91e0c7841a8f07b43731d07b94307620ee3d45552f1d3c1bcae34b0b29b282bed35a6264a1b2d2d4e9f7fe076e57874a45480232fbd11aac91617d39

  • SSDEEP

    24576:rqDEvCTbMWu7rQYlBQcBiT6rprG8a0gu:rTvC/MTQYxsWR7a0g

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

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

bumblebee

Botnet

10111

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

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

stealc

Botnet

traff1

Attributes
  • url_path

    /gtthfbsb2h.php

Targets

    • Target

      29dbe0a1208dfedac751f580a83fca87.exe

    • Size

      938KB

    • MD5

      29dbe0a1208dfedac751f580a83fca87

    • SHA1

      5dba16b31a81c541525a169fd76426e7ae9a04fd

    • SHA256

      bced8cc13d6bccdb3f54e578f084b0d31fb987022d2c5e582f3ba31bb77370f9

    • SHA512

      153ada7a91e0c7841a8f07b43731d07b94307620ee3d45552f1d3c1bcae34b0b29b282bed35a6264a1b2d2d4e9f7fe076e57874a45480232fbd11aac91617d39

    • SSDEEP

      24576:rqDEvCTbMWu7rQYlBQcBiT6rprG8a0gu:rTvC/MTQYxsWR7a0g

    • Amadey

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

    • Amadey family

    • BumbleBee

      BumbleBee is a loader malware written in C++.

    • Bumblebee 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

    • 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

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks