General

  • Target

    844131e4d854e4963f3e742809946adb7d3644409a819cce010415d611f2a174.exe

  • Size

    7.0MB

  • Sample

    210723-8j74v3qec2

  • MD5

    4e11cced3478d15d5e579fbfb8ab30e5

  • SHA1

    b3d3553edeca61e6f9598e0336e147f217740c04

  • SHA256

    844131e4d854e4963f3e742809946adb7d3644409a819cce010415d611f2a174

  • SHA512

    22e0cfa6361da4cc6a14e0dc84c8f067b9dcc59e141636fee8115d505e20b726cdfc0ad76ec609e62698d880fbbde78362ff1d84e7c5da6f06c4a03b176cc2bb

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

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

Extracted

Family

fickerstealer

C2

37.0.8.225:80

Extracted

Family

redline

C2

woltelorda.xyz:80

Extracted

Family

redline

Botnet

z0rm1on

C2

77.220.213.35:52349

Extracted

Family

vidar

Version

39.7

Botnet

903

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    903

Extracted

Family

redline

Botnet

723

C2

qumaranero.xyz:80

Extracted

Family

vidar

Version

39.7

Botnet

921

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    921

Extracted

Family

vidar

Version

39.7

Botnet

865

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    865

Extracted

Family

metasploit

Version

windows/single_exec

Targets

    • Target

      844131e4d854e4963f3e742809946adb7d3644409a819cce010415d611f2a174.exe

    • Size

      7.0MB

    • MD5

      4e11cced3478d15d5e579fbfb8ab30e5

    • SHA1

      b3d3553edeca61e6f9598e0336e147f217740c04

    • SHA256

      844131e4d854e4963f3e742809946adb7d3644409a819cce010415d611f2a174

    • SHA512

      22e0cfa6361da4cc6a14e0dc84c8f067b9dcc59e141636fee8115d505e20b726cdfc0ad76ec609e62698d880fbbde78362ff1d84e7c5da6f06c4a03b176cc2bb

    • Fickerstealer

      Ficker is an infostealer written in Rust and ASM.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

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

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE GCleaner Downloader Activity M1

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • suricata: ET MALWARE Win32/Ficker Stealer Activity M3

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

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks