General

  • Target

    mapleC2.exe

  • Size

    229KB

  • Sample

    250126-ctp6yszndl

  • MD5

    8fdc5324c6283723749bec8199a6078e

  • SHA1

    d9480e0b5d4dffbc82f542c66d3f0efc0f18c95c

  • SHA256

    10fc7787e75df4375d177ade5d874691e815204bba4034b54a2b053ad26a1f0d

  • SHA512

    f375bec52dfd7f6f86db525a734c9331152975ad43633b77fc2fb0df31c4e3e408410ab14262fc9f6af650f8ae6c1fa15583c7828cdf0b1ade1c9be6548ae3f4

  • SSDEEP

    6144:tloZM0rIkd8g+EtXHkv/iD4JRBJoOJBidHaIJtMVtb8e1mj5i:voZDL+EP8JRBJoOJBidHaIJtMfkg

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1330716271255228609/IJ5fctnpAI0-OKdKe8_9HLUXRtWL-GkV2v5ywlG5lY-o4zpL4fVuVLWaxhsjb0VEPBe3

Targets

    • Target

      mapleC2.exe

    • Size

      229KB

    • MD5

      8fdc5324c6283723749bec8199a6078e

    • SHA1

      d9480e0b5d4dffbc82f542c66d3f0efc0f18c95c

    • SHA256

      10fc7787e75df4375d177ade5d874691e815204bba4034b54a2b053ad26a1f0d

    • SHA512

      f375bec52dfd7f6f86db525a734c9331152975ad43633b77fc2fb0df31c4e3e408410ab14262fc9f6af650f8ae6c1fa15583c7828cdf0b1ade1c9be6548ae3f4

    • SSDEEP

      6144:tloZM0rIkd8g+EtXHkv/iD4JRBJoOJBidHaIJtMVtb8e1mj5i:voZDL+EP8JRBJoOJBidHaIJtMfkg

    • 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.

    • 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