Overview

overview

10

Static

static

c38b3d5c52...85.exe

windows7-x64

10

c38b3d5c52...85.exe

windows10-2004-x64

10

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General

  • Target

    c38b3d5c52602245bb1ee48fb2f2130edeae15b1167341c6a84d478225942385

  • Size

    118KB

  • Sample

    221203-xvrrdsbh6y

  • MD5

    5fee8ed219e81950ae495bca3cfaf690

  • SHA1

    6ffc999aa912631a0f35f8eca5a122d87523cf95

  • SHA256

    c38b3d5c52602245bb1ee48fb2f2130edeae15b1167341c6a84d478225942385

  • SHA512

    55f78486f089ea64edaeb88e1d6b0a3913614f24e61171df70466d66de232f5cd68230f693411bc98de943267cddae5986063510b28665b7fb0ada17b63f50f7

  • SSDEEP

    1536:3qbMlPOerdSQEKWNeSShDxuV5FJB4ds9G3RuMuFTuMup+aR2633ChDsj/pdoLOJt:8ordSQE9L5229G3S6Mal26nhj/eW

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      c38b3d5c52602245bb1ee48fb2f2130edeae15b1167341c6a84d478225942385

    • Size

      118KB

    • MD5

      5fee8ed219e81950ae495bca3cfaf690

    • SHA1

      6ffc999aa912631a0f35f8eca5a122d87523cf95

    • SHA256

      c38b3d5c52602245bb1ee48fb2f2130edeae15b1167341c6a84d478225942385

    • SHA512

      55f78486f089ea64edaeb88e1d6b0a3913614f24e61171df70466d66de232f5cd68230f693411bc98de943267cddae5986063510b28665b7fb0ada17b63f50f7

    • SSDEEP

      1536:3qbMlPOerdSQEKWNeSShDxuV5FJB4ds9G3RuMuFTuMup+aR2633ChDsj/pdoLOJt:8ordSQE9L5229G3S6Mal26nhj/eW

    Score
    10/10
    evasionpersistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks