General

  • Target

    58f5dca5_ao7RvibCDp

  • Size

    381KB

  • Sample

    210823-w4mpmgzp3n

  • MD5

    58f5dca577a49a38ea439b3dc7b5f8d6

  • SHA1

    175dc7a597935b1afeb8705bd3d7a556649b06cf

  • SHA256

    857dd46102aea53f0cb7934b96410ebbc3e7988d38dcafdc8c0988f436533b98

  • SHA512

    3c75c0cbbbc14bd25b4feb141fd1595ce02469da50432fb48400eb089d6150fe87831ccc775d921eeec697af7aad33a35fadcfd2ec775aeee1ce34355af7338a

Malware Config

Extracted

Family

vidar

Version

40.1

Botnet

916

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    916

Extracted

Family

redline

Botnet

allsup

C2

188.124.36.242:25802

Extracted

Family

redline

Botnet

3

C2

deyrolorme.xyz:80

xariebelal.xyz:80

anihelardd.xyz:80

Targets

    • Target

      58f5dca5_ao7RvibCDp

    • Size

      381KB

    • MD5

      58f5dca577a49a38ea439b3dc7b5f8d6

    • SHA1

      175dc7a597935b1afeb8705bd3d7a556649b06cf

    • SHA256

      857dd46102aea53f0cb7934b96410ebbc3e7988d38dcafdc8c0988f436533b98

    • SHA512

      3c75c0cbbbc14bd25b4feb141fd1595ce02469da50432fb48400eb089d6150fe87831ccc775d921eeec697af7aad33a35fadcfd2ec775aeee1ce34355af7338a

    • Modifies Windows Defender Real-time Protection settings

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • 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

    • Socelars

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

    • Socelars Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

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

    • 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 Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

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

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

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks