General

  • Target

    TLauncher.lnk

  • Size

    1KB

  • Sample

    230206-ylx3gsff43

  • MD5

    b20f8fecb2a8060d26691c88e49ca3e6

  • SHA1

    7ddaf9983fc41f5f8c737b22418ee2920866ef23

  • SHA256

    90da7db43a19c10ffd64e9ea38b24a74d304d83c100adaaa205b51d143985726

  • SHA512

    fc57d5c0d9d1c23119cdaa9ea581285342d6e7eab9042bb47251ee371a4885078b7bc7e64ca7bf52497b15d30e05e1037c0a1f8884f462c1a96fbac6112eff19

Malware Config

Targets

    • Target

      TLauncher.lnk

    • Size

      1KB

    • MD5

      b20f8fecb2a8060d26691c88e49ca3e6

    • SHA1

      7ddaf9983fc41f5f8c737b22418ee2920866ef23

    • SHA256

      90da7db43a19c10ffd64e9ea38b24a74d304d83c100adaaa205b51d143985726

    • SHA512

      fc57d5c0d9d1c23119cdaa9ea581285342d6e7eab9042bb47251ee371a4885078b7bc7e64ca7bf52497b15d30e05e1037c0a1f8884f462c1a96fbac6112eff19

    • Downloads MZ/PE file

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks