General

  • Target

    c0a99bc314392ebe539fa8b4743913ab.bin

  • Size

    342KB

  • Sample

    240612-daxblazakj

  • MD5

    2499fa0f3230d56c291c57f263320b23

  • SHA1

    6cbb42df578e565bc119d0ccf41cdd57ae4b2e01

  • SHA256

    9d486dcc796349fb18f7b798029526b835cd4f1a5fd71a34587abba8b9fc82a4

  • SHA512

    4c2c0e40297eeace02b8e2755e53f990069f12c8358aa2441b33928e38bebcd0ea4bcc465c1e6d43f47900156b3c79eff1dd67bfabdbd8a22e1e8d0e45a58af7

  • SSDEEP

    6144:EKKbjybzDckzV/dZp7INooY9Gs7LCv27rbwQnZZ/Nu4hTxYP9XZPlmbTT4Crfg:EKmmc4/jJIOoY9uOL5ZZ/NuwxSWcj

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

      2b2fc854e5f12ad01f3e39ec3aafa9ff9338907f393a4b5f27702dc458d32d93.exe

    • Size

      461KB

    • MD5

      c0a99bc314392ebe539fa8b4743913ab

    • SHA1

      4e8266d9483b733bc36f5074cddebce42a2eb916

    • SHA256

      2b2fc854e5f12ad01f3e39ec3aafa9ff9338907f393a4b5f27702dc458d32d93

    • SHA512

      23b08b82c24a79dcb0c03d545c61bb413ef4c5005748388dbe2196d5088ab7fe2612640c6902bf2e9b5608277c216c3163bbe264b8e7b4ca476fcc655c355385

    • SSDEEP

      12288:Byj0tfK+HwRxac/ljiRfxnPbGex36yY4fcEO:c7+HEMJ1Ge16ytfct

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks