General

  • Target

    expressvpn_windows_install_pass1234.zip

  • Size

    48.5MB

  • Sample

    230322-jy1ltahe8z

  • MD5

    88f51bb2c544d11cdf493c6082a7eabd

  • SHA1

    78b9942ed7c81312df12d232379fa2412ea7913e

  • SHA256

    25bedb839070a35a6195fec683ca363d031fb265e10ddc9d5537199be60c4fab

  • SHA512

    7449b9129d5d207f24b428735e140478afa8e0de7f49649f520010918726556ced4a3ca5edd32e4e6f8b2ada89d4ebef7368de4c8c9ca1e04f1076921a0863d3

  • SSDEEP

    786432:kOjgCSRBYxWy0WXMGMVcvPKI0+mOafSmyEXa0Lsn7kEGYEKbKjGHV7/ijz8p:fkRBf6LwcKyafY+a0ukEmjGHdp

Malware Config

Extracted

Family

lumma

C2

82.117.255.80

Targets

    • Target

      expressvpn_windows_install.7z

    • Size

      45.5MB

    • MD5

      453d0bcc246d8f9def6d542fd846c3d4

    • SHA1

      5e35087c69cbd0425c02ce7edc5192feea82722a

    • SHA256

      f6be94dd7fa4acd3775553af020ed4bd07bdd8070383926b3e2ad62c3c30a9ae

    • SHA512

      e674fbd76f5919436780d9bf75918b1202dffcf279708aad0a000ae7bd489a9bdf55d6f7a2b4f7b738a66080a59b18403c702e43d58d3c764b22f848e6752c61

    • SSDEEP

      786432:IOjgCSRBYxWy0WXMGMVcvPKI0+mOafSmyEXa0Lsn7kEGYEKbKjGHV7/ijz/:DkRBf6LwcKyafY+a0ukEmjGHO

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Tasks