General

  • Target

    676e25d623c3d2b454aced0e9f003624a36a75c232b3a8dcef4989837f40f0e6N.exe

  • Size

    2.9MB

  • Sample

    241218-c156raypew

  • MD5

    957dff752a1df72e18f5c00f8b8273f0

  • SHA1

    1bcc3cf4835f1c3173592a79810c49d5fcac03df

  • SHA256

    676e25d623c3d2b454aced0e9f003624a36a75c232b3a8dcef4989837f40f0e6

  • SHA512

    d6f627233dd049f3c9d1ce939bb035ba674098726296299ddb54f0b6d0f9196d9b564ecb05a984354e5de35f8ed2333034376d7cd25d688b0cbd6576d40df8df

  • SSDEEP

    49152:6Hy1YILpU6kOeQ3upFO2STAoF9xyhu2UPMVXMwDQzb:6S5aDObupFOfTAKwu2T1MwDQz

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

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Targets

    • Target

      676e25d623c3d2b454aced0e9f003624a36a75c232b3a8dcef4989837f40f0e6N.exe

    • Size

      2.9MB

    • MD5

      957dff752a1df72e18f5c00f8b8273f0

    • SHA1

      1bcc3cf4835f1c3173592a79810c49d5fcac03df

    • SHA256

      676e25d623c3d2b454aced0e9f003624a36a75c232b3a8dcef4989837f40f0e6

    • SHA512

      d6f627233dd049f3c9d1ce939bb035ba674098726296299ddb54f0b6d0f9196d9b564ecb05a984354e5de35f8ed2333034376d7cd25d688b0cbd6576d40df8df

    • SSDEEP

      49152:6Hy1YILpU6kOeQ3upFO2STAoF9xyhu2UPMVXMwDQzb:6S5aDObupFOfTAKwu2T1MwDQz

    • Amadey

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

    • Amadey family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • 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.

    • 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.

    • Drops file in System32 directory

    • 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