General

  • Target

    http://get.adobe.com/reader/

  • Sample

    230609-wnfvwadg4w

Malware Config

Extracted

Family

raccoon

rc4.plain

Targets

    • Target

      http://get.adobe.com/reader/

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Blocklisted process makes network request

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • UPX packed file

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

3
T1060

Defense Evasion

Modify Registry

3
T1112

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks