General

  • Target

    sillymonkeygame.exe

  • Size

    9.5MB

  • Sample

    240804-z85ara1aqb

  • MD5

    eb1529640cb641fc341c965f287313a5

  • SHA1

    2d08648026a78b4620d7b13d784f6b72eb3fb531

  • SHA256

    904b9ab5ae120235e8ff998bfa063bcd1fab70ace22c04767745165f11fc1c9b

  • SHA512

    f5f15a2cb5623d85b14863a83746c9bd103ba1a177d3e81730d7a6645becf0000fd6b8afde4d4ec70d65de86859e78270e03a37a51f3e0a57d18ddc5f93a37db

  • SSDEEP

    98304:WLhl+t9w5GRLGL+LhoE+3K4+lktE/B77F/Bz2xIb:yQt9w5MhoE+64+lk+/B3SIb

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1267007867811266642/pfYFPepwJNo2s1_3HvYRWuIo_B-F-V0suUnEAb4KPoRDO3vKtscd9x-ZvoE3_-2CGXJM

Targets

    • Target

      sillymonkeygame.exe

    • Size

      9.5MB

    • MD5

      eb1529640cb641fc341c965f287313a5

    • SHA1

      2d08648026a78b4620d7b13d784f6b72eb3fb531

    • SHA256

      904b9ab5ae120235e8ff998bfa063bcd1fab70ace22c04767745165f11fc1c9b

    • SHA512

      f5f15a2cb5623d85b14863a83746c9bd103ba1a177d3e81730d7a6645becf0000fd6b8afde4d4ec70d65de86859e78270e03a37a51f3e0a57d18ddc5f93a37db

    • SSDEEP

      98304:WLhl+t9w5GRLGL+LhoE+3K4+lktE/B77F/Bz2xIb:yQt9w5MhoE+64+lk+/B3SIb

    • Skuld stealer

      An info stealer written in Go lang.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

MITRE ATT&CK Enterprise v15

Tasks