General

  • Target

    file.exe

  • Size

    7.3MB

  • Sample

    220926-l3cfwsbegl

  • MD5

    b80b22d11193ab71cb8cdbfeb37da16f

  • SHA1

    b3335d1375a575e09a12dd8fdcd6d82595b021fe

  • SHA256

    3413d80c4cfdf5760bbacf307959ef194e4b9596a66d4078fb57d5a12ab10b7e

  • SHA512

    c64ed279aa67f0851d768081f0cb2e52a09a82742f5c6932dd3762fd504afa0e82f63f0690d80ac8064009536da093e28d48ca7a04315a16db2e4dd82c799b37

  • SSDEEP

    196608:91O6FYGFwHcq9FgHUkGW3+J0Wh9sNm7aIKw25S3YN/CPfxcN:3O6OlcqwjN3g0WheNKhKxc3e/Ww

Malware Config

Targets

    • Target

      file.exe

    • Size

      7.3MB

    • MD5

      b80b22d11193ab71cb8cdbfeb37da16f

    • SHA1

      b3335d1375a575e09a12dd8fdcd6d82595b021fe

    • SHA256

      3413d80c4cfdf5760bbacf307959ef194e4b9596a66d4078fb57d5a12ab10b7e

    • SHA512

      c64ed279aa67f0851d768081f0cb2e52a09a82742f5c6932dd3762fd504afa0e82f63f0690d80ac8064009536da093e28d48ca7a04315a16db2e4dd82c799b37

    • SSDEEP

      196608:91O6FYGFwHcq9FgHUkGW3+J0Wh9sNm7aIKw25S3YN/CPfxcN:3O6OlcqwjN3g0WheNKhKxc3e/Ww

    • Modifies Windows Defender Real-time Protection settings

    • Windows security bypass

    • Blocklisted process makes network request

    • Executes dropped EXE

    • 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.

    • 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

3
T1112

Disabling Security Tools

2
T1089

Install Root Certificate

1
T1130

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