General

  • Target

    54187b2421d371ae1c54ef595c93baa2fb74eb51fd4b3cd2357646623f38b3bb

  • Size

    1.8MB

  • Sample

    241005-z8p6tstanl

  • MD5

    c66b635299ed3301414a579b16e04c5c

  • SHA1

    6cd13860578174194beef8cfd0cbe0cfc8f2dfaa

  • SHA256

    54187b2421d371ae1c54ef595c93baa2fb74eb51fd4b3cd2357646623f38b3bb

  • SHA512

    e29242970c9b2ca1bf32a2a38058cef75716f683d93af2af60fe3aa865558acf967e242b918c0a361f1714fe91ef3181134de4c1825428c26d14ba8ff97bf1eb

  • SSDEEP

    49152:/Qqdldr/FNHYR9RTf/fXISVdkuWqJHFv1i:3lF/FOhXXIKCqL

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

redline

Botnet

LiveTraffic

C2

136.244.88.135:17615

Extracted

Family

stealc

Botnet

default2

C2

http://185.215.113.17

Attributes
  • url_path

    /2fb6c2cc8dce150a.php

Extracted

Family

stealc

Botnet

zalupa

C2

http://95.217.92.42:22

Attributes
  • url_path

    /7db38bfff9324bbe.php

Extracted

Family

redline

Botnet

newbundle2

C2

185.215.113.67:15206

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

Extracted

Family

stealc

Botnet

doma

C2

http://185.215.113.37

Attributes
  • url_path

    /e2b1563c6670f193.php

Extracted

Family

redline

Botnet

TG CLOUD @RLREBORN Admin @FATHEROFCARDERS

C2

89.105.223.196:29862

Extracted

Family

amadey

Version

4.41

Botnet

1176f2

C2

http://185.215.113.19

Attributes
  • install_dir

    417fd29867

  • install_file

    ednfoki.exe

  • strings_key

    183201dc3defc4394182b4bff63c4065

  • url_paths

    /CoreOPT/index.php

rc4.plain

Extracted

Family

remcos

Botnet

RemoteHost

C2

liveos.zapto.org:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    tst

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-Y7B4RN

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      54187b2421d371ae1c54ef595c93baa2fb74eb51fd4b3cd2357646623f38b3bb

    • Size

      1.8MB

    • MD5

      c66b635299ed3301414a579b16e04c5c

    • SHA1

      6cd13860578174194beef8cfd0cbe0cfc8f2dfaa

    • SHA256

      54187b2421d371ae1c54ef595c93baa2fb74eb51fd4b3cd2357646623f38b3bb

    • SHA512

      e29242970c9b2ca1bf32a2a38058cef75716f683d93af2af60fe3aa865558acf967e242b918c0a361f1714fe91ef3181134de4c1825428c26d14ba8ff97bf1eb

    • SSDEEP

      49152:/Qqdldr/FNHYR9RTf/fXISVdkuWqJHFv1i:3lF/FOhXXIKCqL

    • Amadey

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

    • RedLine

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

    • RedLine payload

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • Adds policy Run key to start application

    • 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 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks