General

  • Target

    LB3.exe

  • Size

    146KB

  • Sample

    241126-sdq2bawlhy

  • MD5

    e77ed091631caf183dc4141fe8fb51f2

  • SHA1

    bbd0c5aba9c95209d29e5b59113e0bae203bf6d6

  • SHA256

    54ed464306c9e21af8bbef2b8b95a1f3762722ddbc9b8e1ad9661760909f6975

  • SHA512

    3751d62156eaed483cff9f589d2dba6871dabcae61bdfe9f3629cfc49529697521e4cd39f572b99ae6dab189d6e70c0d9be2ca96558060c4cd7b10faf617d3c6

  • SSDEEP

    3072:XqJogYkcSNm9V7Dvjh4eL2OAXrsrbWnUroWT:Xq2kc4m9tDj2Fbs2io

Malware Config

Targets

    • Target

      LB3.exe

    • Size

      146KB

    • MD5

      e77ed091631caf183dc4141fe8fb51f2

    • SHA1

      bbd0c5aba9c95209d29e5b59113e0bae203bf6d6

    • SHA256

      54ed464306c9e21af8bbef2b8b95a1f3762722ddbc9b8e1ad9661760909f6975

    • SHA512

      3751d62156eaed483cff9f589d2dba6871dabcae61bdfe9f3629cfc49529697521e4cd39f572b99ae6dab189d6e70c0d9be2ca96558060c4cd7b10faf617d3c6

    • SSDEEP

      3072:XqJogYkcSNm9V7Dvjh4eL2OAXrsrbWnUroWT:Xq2kc4m9tDj2Fbs2io

    • Renames multiple (356) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks