General

  • Target

    Sigmanly_fe8b5c2a2108422e1f5b6724d781d35beb73166fd4ad5a46b07473c3bdb64c45

  • Size

    765KB

  • Sample

    250203-t6321swpht

  • MD5

    473de8fbaa2dd11d6377b878ad4a2283

  • SHA1

    67e3d3eaa137f38426b48ce633ae934c242c3d03

  • SHA256

    fe8b5c2a2108422e1f5b6724d781d35beb73166fd4ad5a46b07473c3bdb64c45

  • SHA512

    873ef78fa0f967177fa37046d97248e062c9bd133376804dda075267731dd215df6f3aec917113b62cd7319afc5d68dd7e4e52fd1a670113a72b7556d1cf1ee9

  • SSDEEP

    12288:cE8loLHVx0PYyr814MDWA6CUMAfxEN5GCPcWBvZRK7eRxCmcXZo7rhL8GJ6C:78liru814RAO3fyPNPcWvZY9m6e758GJ

Malware Config

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      Sigmanly_fe8b5c2a2108422e1f5b6724d781d35beb73166fd4ad5a46b07473c3bdb64c45

    • Size

      765KB

    • MD5

      473de8fbaa2dd11d6377b878ad4a2283

    • SHA1

      67e3d3eaa137f38426b48ce633ae934c242c3d03

    • SHA256

      fe8b5c2a2108422e1f5b6724d781d35beb73166fd4ad5a46b07473c3bdb64c45

    • SHA512

      873ef78fa0f967177fa37046d97248e062c9bd133376804dda075267731dd215df6f3aec917113b62cd7319afc5d68dd7e4e52fd1a670113a72b7556d1cf1ee9

    • SSDEEP

      12288:cE8loLHVx0PYyr814MDWA6CUMAfxEN5GCPcWBvZRK7eRxCmcXZo7rhL8GJ6C:78liru814RAO3fyPNPcWvZY9m6e758GJ

    • VIPKeylogger

      VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

    • Vipkeylogger family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • 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

    • 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 Enterprise v15

Tasks