General

  • Target

    12e66476395f8c1d0c457a7c13ae71df.exe

  • Size

    737KB

  • Sample

    210308-8w4qdbj2fj

  • MD5

    12e66476395f8c1d0c457a7c13ae71df

  • SHA1

    8cb6d53b8b238c0118a0b4748ec54c9aa49123b7

  • SHA256

    9bf5a22089f0b74627320945df991bd1dfa37bf5522f8ecb61e5873bc6093f22

  • SHA512

    7e80d1b0b45f2f076499d93ef1d810e4a5ad4a4fe5a7156de4cb1a1be1beb779d39912c802a1bead6bbae7f4ce6f8cf64d49441e0d4c12fc488f1d1d90b9150c

Malware Config

Targets

    • Target

      12e66476395f8c1d0c457a7c13ae71df.exe

    • Size

      737KB

    • MD5

      12e66476395f8c1d0c457a7c13ae71df

    • SHA1

      8cb6d53b8b238c0118a0b4748ec54c9aa49123b7

    • SHA256

      9bf5a22089f0b74627320945df991bd1dfa37bf5522f8ecb61e5873bc6093f22

    • SHA512

      7e80d1b0b45f2f076499d93ef1d810e4a5ad4a4fe5a7156de4cb1a1be1beb779d39912c802a1bead6bbae7f4ce6f8cf64d49441e0d4c12fc488f1d1d90b9150c

    • Taurus Stealer

      Taurus is an infostealer first seen in June 2020.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

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