General

  • Target

    Launcher.exe

  • Size

    494KB

  • Sample

    240623-n471astbrl

  • MD5

    f413147ade94b156ed491f72d3a29600

  • SHA1

    2b2dab17abc0de203a31d2feaffe516703f3bcf2

  • SHA256

    ef28a317d8c84f3dafac9ad461c151f43bbc65725b119cb1ed260ae174a1c10d

  • SHA512

    9d7c364bded59601a09bfb2f1c0e6153447a358e7a59820dd2c28c2e4d6918037f0f5dbf332087425870400ec60e7a6f494c37520dca78cfe2830b36c4cf4d7b

  • SSDEEP

    12288:9oZtL+EP8qC4koOJBiHHaIJtM329DhA/Nfg:LI8Z4koOJBiHHaIJtM3wlA/Nfg

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1254404298109095958/NWiRMa-UvhDReyRV2IAmTy8TztGwXpMSeJWwdGlJ0fZOxg2xngH-Ag-jSmVYaNMirnTF

Targets

    • Target

      Launcher.exe

    • Size

      494KB

    • MD5

      f413147ade94b156ed491f72d3a29600

    • SHA1

      2b2dab17abc0de203a31d2feaffe516703f3bcf2

    • SHA256

      ef28a317d8c84f3dafac9ad461c151f43bbc65725b119cb1ed260ae174a1c10d

    • SHA512

      9d7c364bded59601a09bfb2f1c0e6153447a358e7a59820dd2c28c2e4d6918037f0f5dbf332087425870400ec60e7a6f494c37520dca78cfe2830b36c4cf4d7b

    • SSDEEP

      12288:9oZtL+EP8qC4koOJBiHHaIJtM329DhA/Nfg:LI8Z4koOJBiHHaIJtM3wlA/Nfg

    • Detect Umbral payload

    • Umbral

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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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