General

  • Target

    wx0840558555a454ed_10000_installer.exe

  • Size

    6.3MB

  • Sample

    230325-lnmcjsec4x

  • MD5

    cedfe1378cd3fc5e72487c661ce221c8

  • SHA1

    4725d89dab84467edbfb03c70b0283845207e00f

  • SHA256

    bdadd25670c7e3c6937ab6ef55846dd5e57e2c8fcf3490817cc6b73535a9a521

  • SHA512

    e308cc8ae03dd435f7d0284a1f1fc8be8e3290232771ace74d2690995b3db1e5d38c92006c5125412b702f354496928be3d00069c01040eb5e58f3e5fe8ea46f

  • SSDEEP

    98304:WM5Zv1JVRnd083Wx3QCUkb3+3r40rl/t7FclWSV7SxyqxrCC:TLv3e83Y3me3+rl1Feav

Malware Config

Targets

    • Target

      wx0840558555a454ed_10000_installer.exe

    • Size

      6.3MB

    • MD5

      cedfe1378cd3fc5e72487c661ce221c8

    • SHA1

      4725d89dab84467edbfb03c70b0283845207e00f

    • SHA256

      bdadd25670c7e3c6937ab6ef55846dd5e57e2c8fcf3490817cc6b73535a9a521

    • SHA512

      e308cc8ae03dd435f7d0284a1f1fc8be8e3290232771ace74d2690995b3db1e5d38c92006c5125412b702f354496928be3d00069c01040eb5e58f3e5fe8ea46f

    • SSDEEP

      98304:WM5Zv1JVRnd083Wx3QCUkb3+3r40rl/t7FclWSV7SxyqxrCC:TLv3e83Y3me3+rl1Feav

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks