General

  • Target

    3462387ca29f4536b4c7828ed6bc6ff8bc86fed3eef2ea6cc8650ff7d437b04b.exe

  • Size

    231KB

  • Sample

    250124-243x8svlhj

  • MD5

    ff3be52f8463ba850787640f729bd887

  • SHA1

    b4218156fce36677545852910612eab5630dc291

  • SHA256

    3462387ca29f4536b4c7828ed6bc6ff8bc86fed3eef2ea6cc8650ff7d437b04b

  • SHA512

    69cdbaea4662a68cd03ff9611dee9593ac7262930252a600bd9da44e8e3b46a41578630e6eb23223157c1f93e5a19c64b3beac0ed4006b0e68f5af753d5ee471

  • SSDEEP

    6144:xloZMffsXtioRkts/cnnK6cMltMMjw2xpaBPyAxVkElb8e1mhzLHi2:DoZdtlRk83MltMMjw2xpaBPyAxVkAMW2

Malware Config

Extracted

Family

umbral

C2

https://discordapp.com/api/webhooks/1326983350606368888/6nNwZ_BPeT1GIaRGLO0xQj2DsvnMBNSzwMGZo-Zz-1rTdrKUSQ9WCgqpApFmFqKixfL1

Targets

    • Target

      3462387ca29f4536b4c7828ed6bc6ff8bc86fed3eef2ea6cc8650ff7d437b04b.exe

    • Size

      231KB

    • MD5

      ff3be52f8463ba850787640f729bd887

    • SHA1

      b4218156fce36677545852910612eab5630dc291

    • SHA256

      3462387ca29f4536b4c7828ed6bc6ff8bc86fed3eef2ea6cc8650ff7d437b04b

    • SHA512

      69cdbaea4662a68cd03ff9611dee9593ac7262930252a600bd9da44e8e3b46a41578630e6eb23223157c1f93e5a19c64b3beac0ed4006b0e68f5af753d5ee471

    • SSDEEP

      6144:xloZMffsXtioRkts/cnnK6cMltMMjw2xpaBPyAxVkElb8e1mhzLHi2:DoZdtlRk83MltMMjw2xpaBPyAxVkAMW2

    • Detect Umbral payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Umbral family

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks