General

  • Target

    file.exe

  • Size

    7.3MB

  • Sample

    230206-w8b3esfc78

  • MD5

    89dd2179909ec35a6e34ee33b52b899a

  • SHA1

    bcca2f52ddaa862b4a98048a1837e399494a0394

  • SHA256

    ab2f8b3e0b9e242ae36ea17cba67dafae9a2510e5c55e4fa86f532dc9a0cf4bc

  • SHA512

    5790bdc706c1a4302ff83f05afca392cc0c7b9310e0e6c41ead5a9adb166e436420fbd8e02226bc869a3078b6b91f5dfce72dc8171382684a1a6a38cfa0f7cd8

  • SSDEEP

    196608:91OkuOGgCbHaWwnXjcIxc33g3HkMJGEhl82Y62N:3OkZGgCbHadnXbWnWEM8ywN

Malware Config

Targets

    • Target

      file.exe

    • Size

      7.3MB

    • MD5

      89dd2179909ec35a6e34ee33b52b899a

    • SHA1

      bcca2f52ddaa862b4a98048a1837e399494a0394

    • SHA256

      ab2f8b3e0b9e242ae36ea17cba67dafae9a2510e5c55e4fa86f532dc9a0cf4bc

    • SHA512

      5790bdc706c1a4302ff83f05afca392cc0c7b9310e0e6c41ead5a9adb166e436420fbd8e02226bc869a3078b6b91f5dfce72dc8171382684a1a6a38cfa0f7cd8

    • SSDEEP

      196608:91OkuOGgCbHaWwnXjcIxc33g3HkMJGEhl82Y62N:3OkZGgCbHadnXbWnWEM8ywN

    • Modifies Windows Defender Real-time Protection settings

    • Windows security bypass

    • Blocklisted process makes network request

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

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

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Tasks