General

  • Target

    1285fdb82e7930812a9c52e680143cea311d8b147cb7aa8b6ea3637e8b94a9fc.exe

  • Size

    1.8MB

  • Sample

    250307-fzybasvrx6

  • MD5

    7a51912053a6bf0831aa861b45f6c402

  • SHA1

    7912df8443372c0929fb9c2fd8b0b5019969d142

  • SHA256

    1285fdb82e7930812a9c52e680143cea311d8b147cb7aa8b6ea3637e8b94a9fc

  • SHA512

    9e6ed09f7eccf79f18053ec68c0e496d222eb8599217c096c213e92b8d68a0ce2a6f418cc84df381a5c7fa4b526ed1078eedffadb6fb42ecbdfd69b3c890affc

  • SSDEEP

    49152:+N0PauDiXiKu2Pj/pr2/rEz0EkeT+vDEqR:60Hidj/Ferq0E6DZR

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

Family

xworm

Version

5.0

C2

196.251.73.165:4782

Mutex

ZugK3PTqGTLifJqs

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      1285fdb82e7930812a9c52e680143cea311d8b147cb7aa8b6ea3637e8b94a9fc.exe

    • Size

      1.8MB

    • MD5

      7a51912053a6bf0831aa861b45f6c402

    • SHA1

      7912df8443372c0929fb9c2fd8b0b5019969d142

    • SHA256

      1285fdb82e7930812a9c52e680143cea311d8b147cb7aa8b6ea3637e8b94a9fc

    • SHA512

      9e6ed09f7eccf79f18053ec68c0e496d222eb8599217c096c213e92b8d68a0ce2a6f418cc84df381a5c7fa4b526ed1078eedffadb6fb42ecbdfd69b3c890affc

    • SSDEEP

      49152:+N0PauDiXiKu2Pj/pr2/rEz0EkeT+vDEqR:60Hidj/Ferq0E6DZR

    • 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

    • 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

    • 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 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 cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks