General

  • Target

    959727c05f54b7ccf3cb751ae7d781c8.exe

  • Size

    633KB

  • Sample

    210507-e5ec3jmzt2

  • MD5

    959727c05f54b7ccf3cb751ae7d781c8

  • SHA1

    f3e8dd16886e12b8e667e6d8a11d59b7a2e169b8

  • SHA256

    575ea0ea6808067f46ee7e5026fd5832997e28a9cef3cc1d6227ec5742ead3ba

  • SHA512

    2b397cafd1e9f36def6aea02070808e8906609d088d0265c93be9fc9f18217e5689c19579508076f0971785a1dffb56233f93aa383561b4767d4a7a515d61204

Malware Config

Targets

    • Target

      959727c05f54b7ccf3cb751ae7d781c8.exe

    • Size

      633KB

    • MD5

      959727c05f54b7ccf3cb751ae7d781c8

    • SHA1

      f3e8dd16886e12b8e667e6d8a11d59b7a2e169b8

    • SHA256

      575ea0ea6808067f46ee7e5026fd5832997e28a9cef3cc1d6227ec5742ead3ba

    • SHA512

      2b397cafd1e9f36def6aea02070808e8906609d088d0265c93be9fc9f18217e5689c19579508076f0971785a1dffb56233f93aa383561b4767d4a7a515d61204

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Deletes itself

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks