Resubmissions

12-08-2021 18:33

210812-z3kcywcakj 8

26-07-2021 16:00

210726-pcynvcchwn 10

25-07-2021 18:10

210725-m5zdsbkjn2 8

General

  • Target

    Star-Wars-Battlefron_330757428.exe

  • Size

    7.4MB

  • Sample

    210726-pcynvcchwn

  • MD5

    1f916117907696b1166fd3b79e9905f9

  • SHA1

    50b83e0dcc2205b8e153ba5898498ef5ee01b943

  • SHA256

    6eafa7c61e42d196916baffa8392658241fe214d13edefeeffde6aa0619e3507

  • SHA512

    b472b663c0536f2ee6af7ce2c0d8450fbbbc0c32ceef8e22d66f600a19a92c60e5763ce481f3d69f146c4fcd39c75da8d904a081d60d3d2f0aa2d0efe7789048

Malware Config

Extracted

Family

redline

Botnet

230721

C2

cookiebrokrash.info:80

Extracted

Family

redline

Botnet

KO1000000

C2

qusenero.xyz:80

Targets

    • Target

      Star-Wars-Battlefron_330757428.exe

    • Size

      7.4MB

    • MD5

      1f916117907696b1166fd3b79e9905f9

    • SHA1

      50b83e0dcc2205b8e153ba5898498ef5ee01b943

    • SHA256

      6eafa7c61e42d196916baffa8392658241fe214d13edefeeffde6aa0619e3507

    • SHA512

      b472b663c0536f2ee6af7ce2c0d8450fbbbc0c32ceef8e22d66f600a19a92c60e5763ce481f3d69f146c4fcd39c75da8d904a081d60d3d2f0aa2d0efe7789048

    • RedLine

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

    • RedLine Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • 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.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

2
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks