Resubmissions

02/06/2024, 03:46

240602-ebtsjahh2z 8

01/06/2024, 22:45

240601-2pte9ahe3t 8

General

  • Target

    skuld.exe

  • Size

    9.5MB

  • Sample

    240602-ebtsjahh2z

  • MD5

    564dd5ea53c98fa83e3a4d475a62fe4a

  • SHA1

    a6e195cdd172683258cb75437c1216593bbf0b0c

  • SHA256

    2e148be193a5077fdf239b64c390ea34ac9bd44f47bf029b37f7c9b32c7b74a7

  • SHA512

    3d41dbb78c6193f472fc25dc3cf480d6299a2b127fd5a99bd645b2fe73a91b82d5598b854a81d4a6bdb6f526000f11fea94fdcca55b5af5ef8063fc4a05e5cb0

  • SSDEEP

    98304:6tl/uVWvOzHcHIg/GUTCS0VeJEp2SF84V3X:EmkvOwoTUTCSmeKprV3X

Malware Config

Targets

    • Target

      skuld.exe

    • Size

      9.5MB

    • MD5

      564dd5ea53c98fa83e3a4d475a62fe4a

    • SHA1

      a6e195cdd172683258cb75437c1216593bbf0b0c

    • SHA256

      2e148be193a5077fdf239b64c390ea34ac9bd44f47bf029b37f7c9b32c7b74a7

    • SHA512

      3d41dbb78c6193f472fc25dc3cf480d6299a2b127fd5a99bd645b2fe73a91b82d5598b854a81d4a6bdb6f526000f11fea94fdcca55b5af5ef8063fc4a05e5cb0

    • SSDEEP

      98304:6tl/uVWvOzHcHIg/GUTCS0VeJEp2SF84V3X:EmkvOwoTUTCSmeKprV3X

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v15

Tasks