General

  • Target

    sonia_6.txt

  • Size

    1.1MB

  • Sample

    210728-ghk3pq9jze

  • MD5

    7a99d0912a3371081b8a866c6ff48351

  • SHA1

    6b1d33d1afec238f49a23be639790145ee0b3dfd

  • SHA256

    71f5bb7d9ace05cfb89e95843499c1c19ca1d6c8b1cd66561d24ceb9ffa94862

  • SHA512

    623bab73b38f8082212355d30b947b283799a7b79f21debc322f2090270c9bdaedbfb2a26e4389cac9ef74319c86d6c4f71507b2ab32d141fc9d0846c5fb64ff

Malware Config

Extracted

Family

redline

Botnet

NEW_5k

C2

86.106.181.209:18845

Extracted

Family

redline

Botnet

28_7_r

C2

zertypelil.xyz:80

Extracted

Family

redline

Botnet

WW

C2

193.56.146.60:51431

Extracted

Family

vidar

Version

39.8

Botnet

865

C2

https://xeronxikxxx.tumblr.com/

Attributes
  • profile_id

    865

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

smokeloader

Version

2020

C2

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/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

39.8

Botnet

921

C2

https://xeronxikxxx.tumblr.com/

Attributes
  • profile_id

    921

Extracted

Family

vidar

Version

39.8

Botnet

828

C2

https://xeronxikxxx.tumblr.com/

Attributes
  • profile_id

    828

Targets

    • Target

      sonia_6.txt

    • Size

      1.1MB

    • MD5

      7a99d0912a3371081b8a866c6ff48351

    • SHA1

      6b1d33d1afec238f49a23be639790145ee0b3dfd

    • SHA256

      71f5bb7d9ace05cfb89e95843499c1c19ca1d6c8b1cd66561d24ceb9ffa94862

    • SHA512

      623bab73b38f8082212355d30b947b283799a7b79f21debc322f2090270c9bdaedbfb2a26e4389cac9ef74319c86d6c4f71507b2ab32d141fc9d0846c5fb64ff

    • 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.

    • 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.

    • Socelars

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

    • Socelars Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • suricata: ET MALWARE GCleaner Downloader Activity M1

    • suricata: ET MALWARE Generic Password Stealer User Agent Detected (RookIE)

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • 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/Kelihos.F exe Download 2

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

    • Vidar Stealer

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Drops startup file

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • autoit_exe

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

2
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Tasks