General

  • Target

    79f4ef61d09cc28818a90ffdd80d338f

  • Size

    700KB

  • Sample

    220725-ft93xagbfk

  • MD5

    79f4ef61d09cc28818a90ffdd80d338f

  • SHA1

    f3de2ce04168a7e894dcd9a3e234819b9aba21e3

  • SHA256

    e616c9cb9911bcc75db23046f1b0f6a9248114c64d25c1ab5971041c0dd11798

  • SHA512

    f874382fa12f0b9dc01fd842131df40b4db77c80aaf968ff5dfa523af5a627003f2431715eea52934f1dac6ff45b38420d7f93dfc705eedb0b8b7ccf25f382ee

Malware Config

Extracted

Family

warzonerat

C2

76.8.53.133:1198

Extracted

Family

redline

Botnet

IYKE

C2

76.8.53.133:30308

Targets

    • Target

      79f4ef61d09cc28818a90ffdd80d338f

    • Size

      700KB

    • MD5

      79f4ef61d09cc28818a90ffdd80d338f

    • SHA1

      f3de2ce04168a7e894dcd9a3e234819b9aba21e3

    • SHA256

      e616c9cb9911bcc75db23046f1b0f6a9248114c64d25c1ab5971041c0dd11798

    • SHA512

      f874382fa12f0b9dc01fd842131df40b4db77c80aaf968ff5dfa523af5a627003f2431715eea52934f1dac6ff45b38420d7f93dfc705eedb0b8b7ccf25f382ee

    • RedLine

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

    • RedLine payload

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • suricata: ET MALWARE Ave Maria/Warzone RAT Encrypted CnC Checkin

      suricata: ET MALWARE Ave Maria/Warzone RAT Encrypted CnC Checkin

    • suricata: ET MALWARE Ave Maria/Warzone RAT Encrypted CnC Checkin (Inbound)

      suricata: ET MALWARE Ave Maria/Warzone RAT Encrypted CnC Checkin (Inbound)

    • Warzone RAT payload

    • Executes dropped EXE

    • Sets DLL path for service in the registry

    • 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 Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Modifies WinLogon

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Winlogon Helper DLL

1
T1004

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks