General

  • Target

    file.exe

  • Size

    206KB

  • Sample

    230115-ng5awsea58

  • MD5

    5faa2b876a4611a0d98bee88837a27e4

  • SHA1

    a2128337201401530b59f9b74cd9da8cf404e885

  • SHA256

    1993b5e334b250a082cb4a3b9d67b41512ede29fd0ca80c39546dccfb0d3b2e5

  • SHA512

    838bfe511cd7f436e04308bc8e547c779b12ce25559ab07d2ba6007d0bcb0ed0acf043faca3944609b514d947b7e972d23b9573366a89a9b6dcc3639138bbcda

  • SSDEEP

    3072:RXtFNcpIaxD5votqrI4fzTojg0L1f0Np7QJSysCAebi:1mVUg8AIL1fmcJSw

Malware Config

Extracted

Family

lumma

C2

77.73.134.68

Targets

    • Target

      file.exe

    • Size

      206KB

    • MD5

      5faa2b876a4611a0d98bee88837a27e4

    • SHA1

      a2128337201401530b59f9b74cd9da8cf404e885

    • SHA256

      1993b5e334b250a082cb4a3b9d67b41512ede29fd0ca80c39546dccfb0d3b2e5

    • SHA512

      838bfe511cd7f436e04308bc8e547c779b12ce25559ab07d2ba6007d0bcb0ed0acf043faca3944609b514d947b7e972d23b9573366a89a9b6dcc3639138bbcda

    • SSDEEP

      3072:RXtFNcpIaxD5votqrI4fzTojg0L1f0Np7QJSysCAebi:1mVUg8AIL1fmcJSw

    • Detects Smokeloader packer

    • Lumma Stealer

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets DLL path for service in the registry

    • Sets service image path in registry

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks