General

  • Target

    9e1c162089b6fcda45273ee35f81e4e9.exe

  • Size

    819KB

  • Sample

    210505-qv5lflv1mj

  • MD5

    9e1c162089b6fcda45273ee35f81e4e9

  • SHA1

    07e5e9754d4cca5782b7b70a122a6e8cabae057b

  • SHA256

    8f9f63245c270e8442f15043c540d52aee08f4b3532d8df265d5244dc5644ce8

  • SHA512

    a88400e8dff16d7d4dfcceaf3acdf002f0b209ccec2510f4279ee4c4c939deae820d178d99d829a0db74838e39a4f68dfc54a95b6858aa98d220da7704b0a863

Malware Config

Targets

    • Target

      9e1c162089b6fcda45273ee35f81e4e9.exe

    • Size

      819KB

    • MD5

      9e1c162089b6fcda45273ee35f81e4e9

    • SHA1

      07e5e9754d4cca5782b7b70a122a6e8cabae057b

    • SHA256

      8f9f63245c270e8442f15043c540d52aee08f4b3532d8df265d5244dc5644ce8

    • SHA512

      a88400e8dff16d7d4dfcceaf3acdf002f0b209ccec2510f4279ee4c4c939deae820d178d99d829a0db74838e39a4f68dfc54a95b6858aa98d220da7704b0a863

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • 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

    • 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

Execution

Command-Line Interface

1
T1059

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Impair Defenses

1
T1562

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