General

  • Target

    c045a0feb21965b697ce7c6abcf68d94.bin

  • Size

    8.0MB

  • Sample

    240706-dvsh5sxaqa

  • MD5

    c045a0feb21965b697ce7c6abcf68d94

  • SHA1

    bd60e3aa141a2ed4dbb11313be29fadc9fb50b6a

  • SHA256

    2a068fd9cec974e59a74ab132f781f9c69cb5b620e562f05d514d7720752ae64

  • SHA512

    013661d73b8140304a8578b9d903e9192aed82ce1dc244065284a5ae5ed83482e23a302dd164243959468bbd2b124e1b892373737f9c95ad85aba699159be20a

  • SSDEEP

    6144:RloZM+rIkd8g+EtXHkv/iD4TNXVBoOJBiPHaIJtM1ub8e1m6i:joZtL+EP8xXVBoOJBiPHaIJtMEA

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1245729449249476748/nQLVkjCI1yudoCZ3QlM7hcc71oohZt0D8OqiNMehLKc53zYvNND1U4WRHVj2t0t2a-Ik

Targets

    • Target

      c045a0feb21965b697ce7c6abcf68d94.bin

    • Size

      8.0MB

    • MD5

      c045a0feb21965b697ce7c6abcf68d94

    • SHA1

      bd60e3aa141a2ed4dbb11313be29fadc9fb50b6a

    • SHA256

      2a068fd9cec974e59a74ab132f781f9c69cb5b620e562f05d514d7720752ae64

    • SHA512

      013661d73b8140304a8578b9d903e9192aed82ce1dc244065284a5ae5ed83482e23a302dd164243959468bbd2b124e1b892373737f9c95ad85aba699159be20a

    • SSDEEP

      6144:RloZM+rIkd8g+EtXHkv/iD4TNXVBoOJBiPHaIJtM1ub8e1m6i:joZtL+EP8xXVBoOJBiPHaIJtMEA

    • 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

    • Deletes itself

    • 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