General

  • Target

    582b99c36f922cb8e077dbb7b45ce982824556ef402077c12e453d902b5588cb

  • Size

    1.6MB

  • Sample

    240611-t4ayfstcnd

  • MD5

    6eb30e78f0401d5ed13384863d8ff289

  • SHA1

    22e2dde84da294a1c7db3310a30613b20aaa433a

  • SHA256

    582b99c36f922cb8e077dbb7b45ce982824556ef402077c12e453d902b5588cb

  • SHA512

    428ecca205167c7b265e119eb123162b03d3ec8edfca4a1bddee53aec77e7de2ecdfc5444e16dcc91d2a1743e3f3536e9f94e77ca8496b760aa4a12be28e3956

  • SSDEEP

    24576:spM5863IGfTAVpalBlUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BlUkxVVChjHZQs

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      582b99c36f922cb8e077dbb7b45ce982824556ef402077c12e453d902b5588cb

    • Size

      1.6MB

    • MD5

      6eb30e78f0401d5ed13384863d8ff289

    • SHA1

      22e2dde84da294a1c7db3310a30613b20aaa433a

    • SHA256

      582b99c36f922cb8e077dbb7b45ce982824556ef402077c12e453d902b5588cb

    • SHA512

      428ecca205167c7b265e119eb123162b03d3ec8edfca4a1bddee53aec77e7de2ecdfc5444e16dcc91d2a1743e3f3536e9f94e77ca8496b760aa4a12be28e3956

    • SSDEEP

      24576:spM5863IGfTAVpalBlUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BlUkxVVChjHZQs

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks