General

  • Target

    5.exe

  • Size

    640KB

  • Sample

    210504-tmq6b4afv6

  • MD5

    67466140accc0e7627a4066413a54ead

  • SHA1

    6840de50da8c11c41ea9ab7503844fe3cbc39417

  • SHA256

    34197627fad94070514ffbfbe93c3df4eb9ed6df897095d2bcb1ca6848a8f096

  • SHA512

    85cc86316f22f95a591028b07771cdfa04936440db46a115b329bcdc827112c43976470dc051876a0f24adbed57a8189a59e4c9c0ffbf1e2b330a389e104033d

Malware Config

Targets

    • Target

      5.exe

    • Size

      640KB

    • MD5

      67466140accc0e7627a4066413a54ead

    • SHA1

      6840de50da8c11c41ea9ab7503844fe3cbc39417

    • SHA256

      34197627fad94070514ffbfbe93c3df4eb9ed6df897095d2bcb1ca6848a8f096

    • SHA512

      85cc86316f22f95a591028b07771cdfa04936440db46a115b329bcdc827112c43976470dc051876a0f24adbed57a8189a59e4c9c0ffbf1e2b330a389e104033d

    • 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