General

  • Target

    7956e9fd046f21769a3415f1cf51addceeae3e78b4ba06d1f3068f81c3edbcd4

  • Size

    1.6MB

  • Sample

    240611-szp15ssdpn

  • MD5

    ec15bcf0dfe9c180c359adbc2c1f2c0d

  • SHA1

    939ac2d9691fe8382d3b5069e4c6855635ec0d29

  • SHA256

    7956e9fd046f21769a3415f1cf51addceeae3e78b4ba06d1f3068f81c3edbcd4

  • SHA512

    5152a8651071c9f2a621286eddfcd8f189942f67cded43cc475d7d2b5035dfd98ff7fc966f299c658df6a156d4e5565153412618f04bddb29161b3562f9274f4

  • SSDEEP

    24576:spM5863IGfTAVpalB2UfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6B2UkxVVChjHZQs

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

      7956e9fd046f21769a3415f1cf51addceeae3e78b4ba06d1f3068f81c3edbcd4

    • Size

      1.6MB

    • MD5

      ec15bcf0dfe9c180c359adbc2c1f2c0d

    • SHA1

      939ac2d9691fe8382d3b5069e4c6855635ec0d29

    • SHA256

      7956e9fd046f21769a3415f1cf51addceeae3e78b4ba06d1f3068f81c3edbcd4

    • SHA512

      5152a8651071c9f2a621286eddfcd8f189942f67cded43cc475d7d2b5035dfd98ff7fc966f299c658df6a156d4e5565153412618f04bddb29161b3562f9274f4

    • SSDEEP

      24576:spM5863IGfTAVpalB2UfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6B2UkxVVChjHZQs

    • 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

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

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