Resubmissions

10-05-2023 18:50

230510-xg1gdahg97 10

10-05-2023 18:04

230510-wnp4jsbd21 1

General

  • Target

    target.ps1

  • Size

    1B

  • Sample

    230510-xg1gdahg97

  • MD5

    0cc175b9c0f1b6a831c399e269772661

  • SHA1

    86f7e437faa5a7fce15d1ddcb9eaeaea377667b8

  • SHA256

    ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb

  • SHA512

    1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75

Malware Config

Targets

    • Target

      target.ps1

    • Size

      1B

    • MD5

      0cc175b9c0f1b6a831c399e269772661

    • SHA1

      86f7e437faa5a7fce15d1ddcb9eaeaea377667b8

    • SHA256

      ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb

    • SHA512

      1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Contacts a large (59993) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • 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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Network Service Scanning

2
T1046

Query Registry

5
T1012

System Information Discovery

5
T1082

Collection

Data from Local System

1
T1005

Tasks