General

  • Target

    31885996a51d68692d5df7b7c1fe8d48f87dad45ed6a5fa9a6d93681a337b642

  • Size

    2.0MB

  • Sample

    240523-bkxc8sga51

  • MD5

    0e081abf4b82c918848cf6148529adcb

  • SHA1

    2dd8cffea57f544ca66e56a0cfef46c293cc6e7e

  • SHA256

    31885996a51d68692d5df7b7c1fe8d48f87dad45ed6a5fa9a6d93681a337b642

  • SHA512

    b33492cb9e31c7939b6b4b83445995ffc7238c09a8464993233266251fab41f0c9f34a88b14cb1e6941bd6e9678d793392b1c4c06368ccff8c427df36b23397d

  • SSDEEP

    49152:7QzHt472D8JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHt6tIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      31885996a51d68692d5df7b7c1fe8d48f87dad45ed6a5fa9a6d93681a337b642

    • Size

      2.0MB

    • MD5

      0e081abf4b82c918848cf6148529adcb

    • SHA1

      2dd8cffea57f544ca66e56a0cfef46c293cc6e7e

    • SHA256

      31885996a51d68692d5df7b7c1fe8d48f87dad45ed6a5fa9a6d93681a337b642

    • SHA512

      b33492cb9e31c7939b6b4b83445995ffc7238c09a8464993233266251fab41f0c9f34a88b14cb1e6941bd6e9678d793392b1c4c06368ccff8c427df36b23397d

    • SSDEEP

      49152:7QzHt472D8JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHt6tIuoITsdZ

    • 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