General

  • Target

    4d3df6a13078b423f9be3b397e53e6f3.exe

  • Size

    633KB

  • Sample

    210507-w5hgpq4svj

  • MD5

    4d3df6a13078b423f9be3b397e53e6f3

  • SHA1

    686c00fc0265e60260be4fcd294b66c843dba1e4

  • SHA256

    2bc31edc9fb8b51b6add2e52daa09a565b566dfc4db96ccb281ec1aae5d07512

  • SHA512

    99259b64e53a77da1dc38ab2a8ebb4cf2e33cdb71a6f1efe5cd65e5c79c35edc8519540ea7e95996bab720bfa79643ec68e01cdaf40e8bc9fcd09ac560d42e08

Malware Config

Targets

    • Target

      4d3df6a13078b423f9be3b397e53e6f3.exe

    • Size

      633KB

    • MD5

      4d3df6a13078b423f9be3b397e53e6f3

    • SHA1

      686c00fc0265e60260be4fcd294b66c843dba1e4

    • SHA256

      2bc31edc9fb8b51b6add2e52daa09a565b566dfc4db96ccb281ec1aae5d07512

    • SHA512

      99259b64e53a77da1dc38ab2a8ebb4cf2e33cdb71a6f1efe5cd65e5c79c35edc8519540ea7e95996bab720bfa79643ec68e01cdaf40e8bc9fcd09ac560d42e08

    • 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