General

  • Target

    GalaxySwapper.exe

  • Size

    230KB

  • Sample

    240805-t39emaware

  • MD5

    a559050bd6be1e2a2f6e980db70d89b6

  • SHA1

    fa02028065c65f9961f99a6766a8493f7fc1c279

  • SHA256

    43927b3cb128dd846d6dfee02f7ca6781315a201740720c8f16b4d12161280b0

  • SHA512

    0d6f9d2c1d5fd748f0f202299a8484ade4796a491b047a739cf9c2e4a9c9f9460f524ed4602e6fea3f25537d4908642ffdec3747e2ecd8cd79f3bd8ca645f3c8

  • SSDEEP

    6144:TloZMcrIkd8g+EtXHkv/iD4QKUb/1+mpXsl3ySXq82b8e1mWVpi:RoZzL+EP8QKUb/1+mpXsl3ySXANw

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1264301486398115977/wjglcrDJjuBAHqc9KILC67LHWHbM3-SSom3dRC1HSe92kDoIh6w5g92jTANiDfxCceje

Targets

    • Target

      GalaxySwapper.exe

    • Size

      230KB

    • MD5

      a559050bd6be1e2a2f6e980db70d89b6

    • SHA1

      fa02028065c65f9961f99a6766a8493f7fc1c279

    • SHA256

      43927b3cb128dd846d6dfee02f7ca6781315a201740720c8f16b4d12161280b0

    • SHA512

      0d6f9d2c1d5fd748f0f202299a8484ade4796a491b047a739cf9c2e4a9c9f9460f524ed4602e6fea3f25537d4908642ffdec3747e2ecd8cd79f3bd8ca645f3c8

    • SSDEEP

      6144:TloZMcrIkd8g+EtXHkv/iD4QKUb/1+mpXsl3ySXq82b8e1mWVpi:RoZzL+EP8QKUb/1+mpXsl3ySXANw

    • Detect Umbral payload

    • Umbral

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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