Overview

overview

10

Static

static

Software-u...56.exe

windows7_x64

8

Software-u...56.exe

windows7_x64

10

Software-u...56.exe

windows7_x64

8

Software-u...56.exe

windows11_x64

8

Software-u...56.exe

windows10_x64

10

Software-u...56.exe

windows10_x64

10

Software-u...56.exe

windows10_x64

10

Sharing

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General

  • Target

    Software-update-patc_579570356.exe

  • Size

    4.7MB

  • Sample

    211021-pz7z6sbbfj

  • MD5

    c027026e244f74549a49e1f98216719c

  • SHA1

    9e9b4459e9225a432eef8f97b9193707dd7247b5

  • SHA256

    bd20ddd34d178d08736818991be6d5d8e4d62d81180d1d293ffafb1418bf2781

  • SHA512

    68953341f9dc46daae4e738bd4418bca5edb22035958ddba46de86cf6e44c8731f49f52763f3addc6e4d5a6cfcb48ee5b1345a2727ba7983b07a9322ae2713d7

Score
10/10
redlinevidar223lllolly666123discoveryevasioninfostealerpersistencespywarestealersuricatatrojanupx

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

223

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    223

Extracted

Family

redline

Botnet

lllolly666123

C2

87.251.71.82:80

Targets

    • Target

      Software-update-patc_579570356.exe

    • Size

      4.7MB

    • MD5

      c027026e244f74549a49e1f98216719c

    • SHA1

      9e9b4459e9225a432eef8f97b9193707dd7247b5

    • SHA256

      bd20ddd34d178d08736818991be6d5d8e4d62d81180d1d293ffafb1418bf2781

    • SHA512

      68953341f9dc46daae4e738bd4418bca5edb22035958ddba46de86cf6e44c8731f49f52763f3addc6e4d5a6cfcb48ee5b1345a2727ba7983b07a9322ae2713d7

    Score
    10/10
    discoveryredlinevidar223lllolly666123evasioninfostealerstealertrojanpersistencespywaresuricataupx

    • RedLine

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

      infostealerredline

    • RedLine Payload

    • Registers COM server for autorun

      persistence

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • 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

    • 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

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

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

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

      evasion

    • Vidar Stealer

      stealer

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • 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.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • autoit_exe

      AutoIT scripts compiled to PE executables.

    behavioral1behavioral2behavioral3behavioral4behavioral5behavioral6behavioral7

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

8
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks