General

  • Target

    SteamSetup.exe

  • Size

    2.2MB

  • Sample

    230331-y1v7faed8t

  • MD5

    70f3bc193dfa56b78f3e6e4f800f701f

  • SHA1

    1e5598f2de49fed2e81f3dd8630c7346a2b89487

  • SHA256

    3b616cb0beaacffb53884b5ba0453312d2577db598d2a877a3b251125fb281a1

  • SHA512

    3ffa815fea2fe37c4fde71f70695697d2b21d6d86a53eea31a1bc1256b5777b44ff400954a0cd0653f1179e4b2e63e24e50b70204d2e9a4b8bf3abf8ede040d1

  • SSDEEP

    49152:2DcHcEngZtNm1LQRHH4PTwZX6kg9hsf4lcszpyu7d/TC:rngZtNm1G4Pw6dJzZNTC

Malware Config

Targets

    • Target

      SteamSetup.exe

    • Size

      2.2MB

    • MD5

      70f3bc193dfa56b78f3e6e4f800f701f

    • SHA1

      1e5598f2de49fed2e81f3dd8630c7346a2b89487

    • SHA256

      3b616cb0beaacffb53884b5ba0453312d2577db598d2a877a3b251125fb281a1

    • SHA512

      3ffa815fea2fe37c4fde71f70695697d2b21d6d86a53eea31a1bc1256b5777b44ff400954a0cd0653f1179e4b2e63e24e50b70204d2e9a4b8bf3abf8ede040d1

    • SSDEEP

      49152:2DcHcEngZtNm1LQRHH4PTwZX6kg9hsf4lcszpyu7d/TC:rngZtNm1G4Pw6dJzZNTC

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks