General

  • Target

    1b70b771ef5f0aab38e49c4fc683bb5348913e3e2cba4dfeeb45ae51224d2436

  • Size

    492KB

  • Sample

    221014-lm5gqshfh6

  • MD5

    73665f9e1c34c960ad4be2b97922da39

  • SHA1

    6127286e8c99d0073ac10c93846fe86865690b78

  • SHA256

    1b70b771ef5f0aab38e49c4fc683bb5348913e3e2cba4dfeeb45ae51224d2436

  • SHA512

    3ac2692f5a3bc0be30a841dcc30f8eeabc5f8d36f3cc3cae643b5a52eed5acb52ff45b4adf546382793c95684f13ecbff91ecd1c72fc9ac11ec895ea4319e038

  • SSDEEP

    12288:4bGx+je/ygu566z3w8iiuFDnNMkP8W2aSQkGvdGebCJK83:4b1je/+X3w8Cn+kP8W8/Jx

Malware Config

Targets

    • Target

      1b70b771ef5f0aab38e49c4fc683bb5348913e3e2cba4dfeeb45ae51224d2436

    • Size

      492KB

    • MD5

      73665f9e1c34c960ad4be2b97922da39

    • SHA1

      6127286e8c99d0073ac10c93846fe86865690b78

    • SHA256

      1b70b771ef5f0aab38e49c4fc683bb5348913e3e2cba4dfeeb45ae51224d2436

    • SHA512

      3ac2692f5a3bc0be30a841dcc30f8eeabc5f8d36f3cc3cae643b5a52eed5acb52ff45b4adf546382793c95684f13ecbff91ecd1c72fc9ac11ec895ea4319e038

    • SSDEEP

      12288:4bGx+je/ygu566z3w8iiuFDnNMkP8W2aSQkGvdGebCJK83:4b1je/+X3w8Cn+kP8W8/Jx

    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks