General

  • Target

    1fa9c173c6abaae5709ca4b88db07aa5.bin

  • Size

    497KB

  • Sample

    250307-bgy3na1thx

  • MD5

    ad99137bd6f21521335e9eb658b8a938

  • SHA1

    065d358e25c246322bdb2f28a7d0a632f4d2494e

  • SHA256

    a75e24a173bd72c9e3c1bcbb28da92e020312e83f258eb20843b200d77904a70

  • SHA512

    4e4d742542f4f479d729b609ad15cd5354af711ceb3ac6dd107dab11fffaf04ce52d367dea458c8facf4ad770a2ff9ca86a2cf3eb521da35cf8329b24e39398a

  • SSDEEP

    12288:UufZIofBZIPKcqPlTArk2ZpielNeGScEK:USZvIPXmlsrkspPMcEK

Malware Config

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

traff1

Attributes
  • url_path

    /gtthfbsb2h.php

Extracted

Family

xworm

Version

5.0

C2

196.251.73.165:4782

Mutex

ZugK3PTqGTLifJqs

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      3f8fba6c55005a7dc441c57cb7099c0c77d5df62c495e1fcbf17ab06291b4247.exe

    • Size

      938KB

    • MD5

      1fa9c173c6abaae5709ca4b88db07aa5

    • SHA1

      dc77a5b0aeede04510ad4604ff58af13fd377609

    • SHA256

      3f8fba6c55005a7dc441c57cb7099c0c77d5df62c495e1fcbf17ab06291b4247

    • SHA512

      8bf7ea16e4ac88460842de1ab9abeeccb930d1bd309a8d06e2e33fab96cdd8a6f7a001dede7eedbe3511cba20e8799591e45a1a00bb484899bc255f3af811534

    • SSDEEP

      24576:OqDEvCTbMWu7rQYlBQcBiT6rprG8a09u:OTvC/MTQYxsWR7a09

    • Amadey

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

    • Amadey family

    • AsyncRat

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

    • Asyncrat family

    • Detect Xworm Payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm 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

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Uses browser remote debugging

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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.

    • 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.

    • 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