General

  • Target

    27c4790ff85336efd2344a550de12de4b33c6a201eefc165e13a46672e906a20

  • Size

    1.8MB

  • Sample

    240605-y7dkzagf6t

  • MD5

    31efccd9b8a04c7628da2b0b4e2be4b3

  • SHA1

    2bcb214e529b96d14c75b442894788d839065d42

  • SHA256

    27c4790ff85336efd2344a550de12de4b33c6a201eefc165e13a46672e906a20

  • SHA512

    71bd48809cb61fc99f7981bb21d0986b6c58f2c1dea4dae85b3e20413918d628c489c86460d7ab2ed590654ab34b46da880c819c41b4657ac9fcbfdb4de2508e

  • SSDEEP

    24576:279MwEB04h5hfAylP3YQPyPQtW7RreoQVupPZ7KUsCSSJjDwAkv1s3056B8fpf:2pEBfhAKRy7OVunOUsCjDwAkkA

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=1002

Extracted

Family

amadey

Version

8254624243

Botnet

e76b71

C2

http://77.91.77.81

Attributes
  • install_dir

    8254624243

  • install_file

    axplong.exe

  • strings_key

    90049e51fabf09df0d6748e0b271922e

  • url_paths

    /Kiru9gu/index.php

rc4.plain

Extracted

Family

redline

Botnet

newbild

C2

185.215.113.67:40960

Extracted

Family

redline

Botnet

@LOGSCLOUDYT_BOT

C2

185.172.128.33:8970

Extracted

Family

lumma

C2

https://macabrecondfucews.shop/api

https://distincttangyflippan.shop/api

https://greentastellesqwm.shop/api

https://stickyyummyskiwffe.shop/api

https://sturdyregularrmsnhw.shop/api

https://lamentablegapingkwaq.shop/api

https://innerverdanytiresw.shop/api

https://standingcomperewhitwo.shop/api

Targets

    • Target

      27c4790ff85336efd2344a550de12de4b33c6a201eefc165e13a46672e906a20

    • Size

      1.8MB

    • MD5

      31efccd9b8a04c7628da2b0b4e2be4b3

    • SHA1

      2bcb214e529b96d14c75b442894788d839065d42

    • SHA256

      27c4790ff85336efd2344a550de12de4b33c6a201eefc165e13a46672e906a20

    • SHA512

      71bd48809cb61fc99f7981bb21d0986b6c58f2c1dea4dae85b3e20413918d628c489c86460d7ab2ed590654ab34b46da880c819c41b4657ac9fcbfdb4de2508e

    • SSDEEP

      24576:279MwEB04h5hfAylP3YQPyPQtW7RreoQVupPZ7KUsCSSJjDwAkv1s3056B8fpf:2pEBfhAKRy7OVunOUsCjDwAkkA

    • Amadey

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

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • RedLine

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

    • RedLine payload

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • UAC bypass

    • Windows security bypass

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

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

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Installed Components in the registry

    • Modifies Windows Firewall

    • Sets service image path 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.

    • 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

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks