General

  • Target

    1e3c5a52079338d4afb56c5466ebfaf9.exe

  • Size

    600KB

  • Sample

    210421-34pd1m23re

  • MD5

    1e3c5a52079338d4afb56c5466ebfaf9

  • SHA1

    8f1376f2bcde0479720ca55cbe321a116e304877

  • SHA256

    b0d93cbf447623046335abffc2b86506cfc9038f95e08111eca9b34e64798dd1

  • SHA512

    0b72222c05bcfceaf90f9c1d3d55d3f51226b21cdcfd4e7c139731a835ff86812adc359c26644c0aa6df122f822a5cf3bc7680edbdae6edc5fe625d61111d0ad

Malware Config

Targets

    • Target

      1e3c5a52079338d4afb56c5466ebfaf9.exe

    • Size

      600KB

    • MD5

      1e3c5a52079338d4afb56c5466ebfaf9

    • SHA1

      8f1376f2bcde0479720ca55cbe321a116e304877

    • SHA256

      b0d93cbf447623046335abffc2b86506cfc9038f95e08111eca9b34e64798dd1

    • SHA512

      0b72222c05bcfceaf90f9c1d3d55d3f51226b21cdcfd4e7c139731a835ff86812adc359c26644c0aa6df122f822a5cf3bc7680edbdae6edc5fe625d61111d0ad

    • 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