General

  • Target

    509cdbdfc3a9c49ba3fae4ecce54fbaed0b6f9f288dc300dc2b52989d502ae01

  • Size

    2.4MB

  • Sample

    230202-hkxsbsfd35

  • MD5

    f087119254a5784dbc94b8324ebaca61

  • SHA1

    d82b822ef3b58e35f96ec0fd9d5fc13954c85118

  • SHA256

    509cdbdfc3a9c49ba3fae4ecce54fbaed0b6f9f288dc300dc2b52989d502ae01

  • SHA512

    c4d9f9fd82d27f0f5dbab133482aa44cc110259f71630a43286d3f175c6e37206f96d6d83a492b2c9f4b1e12bd19aa513d0531f54a050e814204cbdc5995f322

  • SSDEEP

    49152:pGUhixqZAPG4qYCno6kcShxpA1wkf3ejsEhu3SQcF9EYragT5VpgOZu8+Um0Q:pyxqGPGyEKe2sJECSdF9EYWgT5VpTZu6

Malware Config

Targets

    • Target

      509cdbdfc3a9c49ba3fae4ecce54fbaed0b6f9f288dc300dc2b52989d502ae01

    • Size

      2.4MB

    • MD5

      f087119254a5784dbc94b8324ebaca61

    • SHA1

      d82b822ef3b58e35f96ec0fd9d5fc13954c85118

    • SHA256

      509cdbdfc3a9c49ba3fae4ecce54fbaed0b6f9f288dc300dc2b52989d502ae01

    • SHA512

      c4d9f9fd82d27f0f5dbab133482aa44cc110259f71630a43286d3f175c6e37206f96d6d83a492b2c9f4b1e12bd19aa513d0531f54a050e814204cbdc5995f322

    • SSDEEP

      49152:pGUhixqZAPG4qYCno6kcShxpA1wkf3ejsEhu3SQcF9EYragT5VpgOZu8+Um0Q:pyxqGPGyEKe2sJECSdF9EYWgT5VpTZu6

    • Detect PureCrypter injector

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • Checks computer location settings

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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks