General

  • Target

    db0aa64792a968ce94f6a6d4323e0460caab4229d3a77a9ea476ad107f716697

  • Size

    1.5MB

  • Sample

    211204-h9zcfsdde6

  • MD5

    eb2d27ab549198e1019bc23777ac12ae

  • SHA1

    5291927fc9389a9adae2a077ba735b468b810496

  • SHA256

    db0aa64792a968ce94f6a6d4323e0460caab4229d3a77a9ea476ad107f716697

  • SHA512

    2dce0a2114f3d6731052a22f589ef48a36ce2527a2f1755ab4001f4555bb0e01c6bf1a4a163a8355297d466c83a378c484f536fdc178dd745e962d4e23038be5

Malware Config

Targets

    • Target

      db0aa64792a968ce94f6a6d4323e0460caab4229d3a77a9ea476ad107f716697

    • Size

      1.5MB

    • MD5

      eb2d27ab549198e1019bc23777ac12ae

    • SHA1

      5291927fc9389a9adae2a077ba735b468b810496

    • SHA256

      db0aa64792a968ce94f6a6d4323e0460caab4229d3a77a9ea476ad107f716697

    • SHA512

      2dce0a2114f3d6731052a22f589ef48a36ce2527a2f1755ab4001f4555bb0e01c6bf1a4a163a8355297d466c83a378c484f536fdc178dd745e962d4e23038be5

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine Payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks