General

  • Target

    758c13d826f252d3bf62db08900519f34bca0ffebf4c8ef0d86a1f624e967021

  • Size

    272KB

  • Sample

    211205-hngwaacahj

  • MD5

    f5505eb7c39ad86f08d792639777e52e

  • SHA1

    dc33ae95ffc6019a9fb2a08fb95293a29ecf2465

  • SHA256

    758c13d826f252d3bf62db08900519f34bca0ffebf4c8ef0d86a1f624e967021

  • SHA512

    ae84205a826997a0cf2be5d9a40d8d69845e1bdaa0520e2c50c0d9de2dc901bfcb92594773830d6eefb19d0244efe55c01f80f0e94db38223bc3036d58e06326

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

http://planilhasvba.com.br/wp-admin/js/k/index.php

http://rpk32ubon.ac.th/backup/k/index.php

http://4urhappiness.com/app/k/index.php

http://swedenkhabar.com/wp-admin/js/k/index.php

http://cio.lankapanel.net/wp-admin/js/k/index.php

http://fcmsites.com.br/canal/wp-admin/js/k/index.php

http://lacoibipitanga.com.br/maxart/k/index.php

http://lacoibipitanga.com.br/cgi-bin/k/index.php

http://video.nalahotel.com/k/index.php

http://diving-phocea.com/wp-admin/k/index.php

rc4.i32
rc4.i32
rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

c14e8219a761194140b8dfc2abce3a8292dd059a

Attributes
  • url4cnc

    http://94.158.245.137/h_electricryptors2

    http://91.219.236.27/h_electricryptors2

    http://94.158.245.167/h_electricryptors2

    http://185.163.204.216/h_electricryptors2

    http://185.225.19.238/h_electricryptors2

    http://185.163.204.218/h_electricryptors2

    https://t.me/h_electricryptors2

rc4.plain
rc4.plain

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

b620be4c85b4051a92040003edbc322be4eb082d

Attributes
  • url4cnc

    http://91.219.236.207/capibar

    http://185.225.19.18/capibar

    http://91.219.237.227/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

arkei

Botnet

Default

C2

http://153.92.210.92/lYWcN6H7B1.php

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

a1fcef6b211f7efaa652483b438c193569359f50

Attributes
  • url4cnc

    http://94.158.245.137/duglassa1

    http://91.219.236.27/duglassa1

    http://94.158.245.167/duglassa1

    http://185.163.204.216/duglassa1

    http://185.225.19.238/duglassa1

    http://185.163.204.218/duglassa1

    https://t.me/duglassa1

rc4.plain
rc4.plain

Targets

    • Target

      758c13d826f252d3bf62db08900519f34bca0ffebf4c8ef0d86a1f624e967021

    • Size

      272KB

    • MD5

      f5505eb7c39ad86f08d792639777e52e

    • SHA1

      dc33ae95ffc6019a9fb2a08fb95293a29ecf2465

    • SHA256

      758c13d826f252d3bf62db08900519f34bca0ffebf4c8ef0d86a1f624e967021

    • SHA512

      ae84205a826997a0cf2be5d9a40d8d69845e1bdaa0520e2c50c0d9de2dc901bfcb92594773830d6eefb19d0244efe55c01f80f0e94db38223bc3036d58e06326

    • Arkei

      Arkei is an infostealer written in C++.

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • LimeRAT

      Simple yet powerful RAT for Windows machines written in .NET.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • suricata: ET MALWARE DCRAT Activity (GET)

      suricata: ET MALWARE DCRAT Activity (GET)

    • suricata: ET MALWARE Possible Malicous Macro DL EXE Jul 01 2016 (userdir dotted quad)

      suricata: ET MALWARE Possible Malicous Macro DL EXE Jul 01 2016 (userdir dotted quad)

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    • Arkei Stealer Payload

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks