Overview

overview

10

Static

static

05603775ae...e4.exe

windows7_x64

10

05603775ae...e4.exe

windows10_x64

10

Sharing

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General

  • Target

    05603775ae6c66c7207556660da29de4.exe

  • Size

    13.8MB

  • Sample

    211206-hblcyaddgj

  • MD5

    05603775ae6c66c7207556660da29de4

  • SHA1

    96f1bed1e99e6cd51c4973a8b586f08097009c15

  • SHA256

    09ac2a0cc0277beb2b85f5d29b4531e65fb1a25e126f89b8a5ad6d0ba04ef369

  • SHA512

    7aa7620eda7d2a369414abb6d94671a3b8f039d4fce6dabedcc1daba1c0f91468555512dc7827e050b61168a77a4c2f8636eb8ba4a26b399c22a88709d8c5326

Score
10/10
quasardriverpersistencespywarestealersuricatatrojanupx

Malware Config

Extracted

Family

quasar

Version

2.8.0.1

Botnet

Driver

C2

134.255.220.204:4782

Mutex

6IzunZymIRucbMwSQj

Attributes
  • encryption_key

    85wBI2y5JEbQcrqb3u8l

  • install_name

    Driver.exe

  • log_directory

    Driver

  • reconnect_delay

    1000

  • startup_key

    Realtek® High Definition Audio Driver

  • subdirectory

    Realtek® High Definition Audio Driver

Targets

    • Target

      05603775ae6c66c7207556660da29de4.exe

    • Size

      13.8MB

    • MD5

      05603775ae6c66c7207556660da29de4

    • SHA1

      96f1bed1e99e6cd51c4973a8b586f08097009c15

    • SHA256

      09ac2a0cc0277beb2b85f5d29b4531e65fb1a25e126f89b8a5ad6d0ba04ef369

    • SHA512

      7aa7620eda7d2a369414abb6d94671a3b8f039d4fce6dabedcc1daba1c0f91468555512dc7827e050b61168a77a4c2f8636eb8ba4a26b399c22a88709d8c5326

    Score
    10/10
    quasardriverspywaretrojanpersistencestealersuricataupx

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • 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

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

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

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks