Resubmissions

20-05-2024 21:19

240520-z6ancsge55 10

20-05-2024 16:03

240520-thk7asgd55 10

General

  • Target

    1ba832d06573b1784c09a0b65f23bf348d0beb4efe415053d23f58d687056481

  • Size

    1.7MB

  • Sample

    240520-thk7asgd55

  • MD5

    93ce2f1033f7d26a12bdb0ae8f721d80

  • SHA1

    c8aada969ad142a99e696416263e6fd4c28d3b58

  • SHA256

    1ba832d06573b1784c09a0b65f23bf348d0beb4efe415053d23f58d687056481

  • SHA512

    c420ec6f6be3226dc8bc4718c088c47be77de348ae1308049244f35ef8ff3aa96c7e0656ab6c5559d20c50ee8b4c861429b694a780ec6205f8b8edf5b5d8a5d9

  • SSDEEP

    24576:QKmeWJMjRaVdFtAK59foIK5w/6clN9+PzVyo6NxnfAPEZKLooMe1N3QnlRNlOdcv:oZJeRm3zfUUlNAPzVlY5AMaoAL3Yv

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2841&c=2841

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=2841

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=2841

Extracted

Family

amadey

Version

4.20

Botnet

18befc

C2

http://5.42.96.141

Attributes
  • install_dir

    908f070dff

  • install_file

    explorku.exe

  • strings_key

    b25a9385246248a95c600f9a061438e1

  • url_paths

    /go34ko8/index.php

rc4.plain

Extracted

Family

risepro

C2

147.45.47.126:58709

Extracted

Family

amadey

Version

4.20

Botnet

c767c0

C2

http://5.42.96.7

Attributes
  • install_dir

    7af68cdb52

  • install_file

    axplons.exe

  • strings_key

    e2ce58e78f631ed97d01fe7b70e85d5e

  • url_paths

    /zamo7h/index.php

rc4.plain

Extracted

Family

redline

Botnet

@LOGSCLOUDYT_BOT

C2

185.172.128.33:8970

Extracted

Family

redline

Botnet

1

C2

185.215.113.67:26260

Extracted

Family

stealc

Botnet

zzvv

C2

http://23.88.106.134

Attributes
  • url_path

    /c73eed764cc59dcb.php

Targets

    • Target

      1ba832d06573b1784c09a0b65f23bf348d0beb4efe415053d23f58d687056481

    • Size

      1.7MB

    • MD5

      93ce2f1033f7d26a12bdb0ae8f721d80

    • SHA1

      c8aada969ad142a99e696416263e6fd4c28d3b58

    • SHA256

      1ba832d06573b1784c09a0b65f23bf348d0beb4efe415053d23f58d687056481

    • SHA512

      c420ec6f6be3226dc8bc4718c088c47be77de348ae1308049244f35ef8ff3aa96c7e0656ab6c5559d20c50ee8b4c861429b694a780ec6205f8b8edf5b5d8a5d9

    • SSDEEP

      24576:QKmeWJMjRaVdFtAK59foIK5w/6clN9+PzVyo6NxnfAPEZKLooMe1N3QnlRNlOdcv:oZJeRm3zfUUlNAPzVlY5AMaoAL3Yv

    • Amadey

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

    • Modifies firewall policy service

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • Windows security bypass

    • XMRig Miner payload

    • xmrig

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

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Sets file execution options in registry

    • Stops running service(s)

    • 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.

    • 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 web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks