General

  • Target

    Anime-Fighters-Simul_763412721.exe

  • Size

    4.8MB

  • Sample

    210727-sjkrlrayf2

  • MD5

    ab3ad490f762ba671cdee4ecc0f5344d

  • SHA1

    1d9d83af66e77ab20b1ff0bbafbe47522b3d3395

  • SHA256

    b46e0391b8f48919100497997b8088126ef73815147fcc57cb5dc81ad97a226f

  • SHA512

    fd2fe04d536a78428dcb9ee49ab4dd0fd739f30ee1198d8a502200d596edb32095c649433fad38fcf5320a5d852a2ef2109df344f1cb11fd9e25173ac1e62377

Malware Config

Extracted

Family

redline

Botnet

230721

C2

cookiebrokrash.info:80

Extracted

Family

redline

Botnet

pokatak1111

C2

qusenero.xyz:80

Targets

    • Target

      Anime-Fighters-Simul_763412721.exe

    • Size

      4.8MB

    • MD5

      ab3ad490f762ba671cdee4ecc0f5344d

    • SHA1

      1d9d83af66e77ab20b1ff0bbafbe47522b3d3395

    • SHA256

      b46e0391b8f48919100497997b8088126ef73815147fcc57cb5dc81ad97a226f

    • SHA512

      fd2fe04d536a78428dcb9ee49ab4dd0fd739f30ee1198d8a502200d596edb32095c649433fad38fcf5320a5d852a2ef2109df344f1cb11fd9e25173ac1e62377

    • 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