General

  • Target

    87f91f02a15f18b6b32864713695f8c631cd158693f3202b7309dbc35cafd103

  • Size

    174KB

  • Sample

    221113-kn74ksea5v

  • MD5

    d87f92eef92aa88363a6488d9dc6c11a

  • SHA1

    87de20146e3f0af7bf2a3eead9353632ba641ac5

  • SHA256

    87f91f02a15f18b6b32864713695f8c631cd158693f3202b7309dbc35cafd103

  • SHA512

    866849cc757fb1e5f34429d64088c081d57d9330fbf2df1a95751c217ed4e1ac4db3352d846ffa2d5fd76b688b2a1bfb2e1e0f9d2b25d89beb30bdf109b6e663

  • SSDEEP

    3072:0ZxsLcwLzpGlXUR/zRiVHIJo/+jhnjtkLfqf+mne4GjHcPPR:6+LNGlXUNYHpmjhAfe1ne4Gj

Malware Config

Extracted

Family

redline

Botnet

Google2

C2

167.235.71.14:20469

Attributes
  • auth_value

    fb274d9691235ba015830da570a13578

Targets

    • Target

      87f91f02a15f18b6b32864713695f8c631cd158693f3202b7309dbc35cafd103

    • Size

      174KB

    • MD5

      d87f92eef92aa88363a6488d9dc6c11a

    • SHA1

      87de20146e3f0af7bf2a3eead9353632ba641ac5

    • SHA256

      87f91f02a15f18b6b32864713695f8c631cd158693f3202b7309dbc35cafd103

    • SHA512

      866849cc757fb1e5f34429d64088c081d57d9330fbf2df1a95751c217ed4e1ac4db3352d846ffa2d5fd76b688b2a1bfb2e1e0f9d2b25d89beb30bdf109b6e663

    • SSDEEP

      3072:0ZxsLcwLzpGlXUR/zRiVHIJo/+jhnjtkLfqf+mne4GjHcPPR:6+LNGlXUNYHpmjhAfe1ne4Gj

    • Detects Smokeloader packer

    • 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.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source 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.

    • 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.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks