Resubmissions

01-03-2023 19:03

230301-xqjj8ahg39 8

26-02-2023 16:12

230226-tnwj8ahc3w 8

General

  • Target

    utorrent_installer.exe

  • Size

    1.7MB

  • Sample

    230301-xqjj8ahg39

  • MD5

    b6b16ce1d51baf68aedf62e35e9390c9

  • SHA1

    428efbd8c1a3a92eac36694ef4ed0ba76801342a

  • SHA256

    52dda648edf6eab8fdb5187e2866bb337e73e9025a0e13dced7abe00f899d44e

  • SHA512

    996fac7d5311dd258972df0ed9e392aeefbd9a11bc38614347f296fc62b6164d039c9ae21a9e10dc49019cd8f7bcd6e2d37c89d990de23de146ee90f560bacbb

  • SSDEEP

    24576:S4nXubIQGyxbPV0db26sdGr9Y0kpZZymuz7lnAjEHLcfVLKswfsQ:Sqe3f6b9Ynpryh71SaLcfxOfsQ

Malware Config

Targets

    • Target

      utorrent_installer.exe

    • Size

      1.7MB

    • MD5

      b6b16ce1d51baf68aedf62e35e9390c9

    • SHA1

      428efbd8c1a3a92eac36694ef4ed0ba76801342a

    • SHA256

      52dda648edf6eab8fdb5187e2866bb337e73e9025a0e13dced7abe00f899d44e

    • SHA512

      996fac7d5311dd258972df0ed9e392aeefbd9a11bc38614347f296fc62b6164d039c9ae21a9e10dc49019cd8f7bcd6e2d37c89d990de23de146ee90f560bacbb

    • SSDEEP

      24576:S4nXubIQGyxbPV0db26sdGr9Y0kpZZymuz7lnAjEHLcfVLKswfsQ:Sqe3f6b9Ynpryh71SaLcfxOfsQ

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • UPX packed file

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

    • 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 Enterprise v6

Tasks