General

  • Target

    bfe814222131996f9a1d81515c404d51d237107a3f6013a066da162b58ee4b51

  • Size

    1.8MB

  • Sample

    241212-ljtwtszldx

  • MD5

    630cb8dd96181e31a8a48ca725d87ecc

  • SHA1

    6772ad3bc56956743f6a3a0548e903538b9854be

  • SHA256

    bfe814222131996f9a1d81515c404d51d237107a3f6013a066da162b58ee4b51

  • SHA512

    654b62afebabd84c2acde93d00d4d56a1083096654d8a111894e04362fab82d19db769dd949d9e293f775b0046d046c22f3228386a57a1c196763a577c347fa4

  • SSDEEP

    49152:Rxx1PKED08c7U2i8Tj5cFBEBbG3uo99vdg+PO18YGt:RxrKED/cA2i8v5cFBEbG3ugO1i

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      bfe814222131996f9a1d81515c404d51d237107a3f6013a066da162b58ee4b51

    • Size

      1.8MB

    • MD5

      630cb8dd96181e31a8a48ca725d87ecc

    • SHA1

      6772ad3bc56956743f6a3a0548e903538b9854be

    • SHA256

      bfe814222131996f9a1d81515c404d51d237107a3f6013a066da162b58ee4b51

    • SHA512

      654b62afebabd84c2acde93d00d4d56a1083096654d8a111894e04362fab82d19db769dd949d9e293f775b0046d046c22f3228386a57a1c196763a577c347fa4

    • SSDEEP

      49152:Rxx1PKED08c7U2i8Tj5cFBEBbG3uo99vdg+PO18YGt:RxrKED/cA2i8v5cFBEbG3ugO1i

    • Amadey

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

    • Amadey family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • Blocklisted process makes network request

    • 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

    • Windows security modification

    • Adds Run key to start application

    • 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