General

  • Target

    vbc.exe

  • Size

    1.0MB

  • Sample

    220706-qaxnksfac2

  • MD5

    a3ed8e1e651ebc9c03d3ef4cb777a57b

  • SHA1

    f6fec326cc48f6a0f775d38c953e897e3088c88b

  • SHA256

    dcd417c960f009841f2451986e5ec39bbb5e41aeca08a683d2d9228b302c32a6

  • SHA512

    6d0fbb538513aa6c693a013842b8065cf1bb26cf6c54549b70a2d3b87f1fa6496e3d580653c016db68c68c9b75d25df8898fb8d32ebff6e642f505090cc34333

Malware Config

Targets

    • Target

      vbc.exe

    • Size

      1.0MB

    • MD5

      a3ed8e1e651ebc9c03d3ef4cb777a57b

    • SHA1

      f6fec326cc48f6a0f775d38c953e897e3088c88b

    • SHA256

      dcd417c960f009841f2451986e5ec39bbb5e41aeca08a683d2d9228b302c32a6

    • SHA512

      6d0fbb538513aa6c693a013842b8065cf1bb26cf6c54549b70a2d3b87f1fa6496e3d580653c016db68c68c9b75d25df8898fb8d32ebff6e642f505090cc34333

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • WarzoneRat, AveMaria

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

    • ModiLoader Second Stage

    • Warzone RAT Payload

    • Executes dropped EXE

    • Modifies Windows Firewall

    • 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.

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Modifies WinLogon

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Winlogon Helper DLL

1
T1004

Defense Evasion

Scripting

1
T1064

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks