General

  • Target

    840aaaf64e034b0ae6aa6022cc09f092452ff7895b5d7bb8938256b950514502

  • Size

    2.1MB

  • Sample

    240521-re5enage88

  • MD5

    a15ad5e537dacfd936406aa4e56fd158

  • SHA1

    b3f2ca5f5f7b9884134a110556408cdae386167b

  • SHA256

    840aaaf64e034b0ae6aa6022cc09f092452ff7895b5d7bb8938256b950514502

  • SHA512

    0ca35adecf2f684e66091b567993dcc1110f86b83f49372c5fb8af890d80112066af0e2698bafbd380725855c4c22bcaaf297a8bdfd54c7e265a97cd5a8946ec

  • SSDEEP

    49152:N6uDuaS9ref2IJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9zItIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      840aaaf64e034b0ae6aa6022cc09f092452ff7895b5d7bb8938256b950514502

    • Size

      2.1MB

    • MD5

      a15ad5e537dacfd936406aa4e56fd158

    • SHA1

      b3f2ca5f5f7b9884134a110556408cdae386167b

    • SHA256

      840aaaf64e034b0ae6aa6022cc09f092452ff7895b5d7bb8938256b950514502

    • SHA512

      0ca35adecf2f684e66091b567993dcc1110f86b83f49372c5fb8af890d80112066af0e2698bafbd380725855c4c22bcaaf297a8bdfd54c7e265a97cd5a8946ec

    • SSDEEP

      49152:N6uDuaS9ref2IJtTF+TxMoxc1TU+j+dAzGwlrh:N6uKb9zItIuoITsdZ

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • 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 v15

Tasks