General

  • Target

    78889e694b687e2295be269aa3590ce7a10b154091e11fa48b37fbc47c0abb5a.exe

  • Size

    2.0MB

  • Sample

    240522-xngb3sch4t

  • MD5

    a67a243935174069d226856ed2339707

  • SHA1

    e51d9e40482fe5557c348af4c8dce899b68f882e

  • SHA256

    78889e694b687e2295be269aa3590ce7a10b154091e11fa48b37fbc47c0abb5a

  • SHA512

    ff5788674bd83139c5e844d8bb90696cb7099adcd07fda6451e60d16d3b178e4b99600d2e80226fbc510394cce8a7639ae7824f97e15e3abbc84ff306d00e6c9

  • SSDEEP

    49152:7QzHt472D6JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtwtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      78889e694b687e2295be269aa3590ce7a10b154091e11fa48b37fbc47c0abb5a.exe

    • Size

      2.0MB

    • MD5

      a67a243935174069d226856ed2339707

    • SHA1

      e51d9e40482fe5557c348af4c8dce899b68f882e

    • SHA256

      78889e694b687e2295be269aa3590ce7a10b154091e11fa48b37fbc47c0abb5a

    • SHA512

      ff5788674bd83139c5e844d8bb90696cb7099adcd07fda6451e60d16d3b178e4b99600d2e80226fbc510394cce8a7639ae7824f97e15e3abbc84ff306d00e6c9

    • SSDEEP

      49152:7QzHt472D6JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtwtIuoITsdZ

    • 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

    • Loads dropped DLL

    • 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