General

  • Target

    slinky.exe

  • Size

    14.2MB

  • Sample

    240826-sajstszbqg

  • MD5

    91082d279d39982ba9f87d11b6740f22

  • SHA1

    bf1d987851cbfe3388decab14e8687e94b437292

  • SHA256

    9fc61c5072e9fbb5c9443d7168e1aad26ac8cbfc79a2e03095ad5fa2206b65f2

  • SHA512

    40f284a497d4eab05889fd6f8eae48b22155340042562d3c257f29d44812eebe38989a084e3017c1c334797ad4a1dac4550709b6f2460edf9aa212cd1ab4e4b4

  • SSDEEP

    196608:sWJafoL/tUoTX4Zfbh1Yf0k7Ma/rkFlgdTaUrPPbdfw:sWsfm/abh1lkSFCdTauZo

Malware Config

Extracted

Family

skuld

C2

https://ptb.discord.com/api/webhooks/1277020198502666262/vHV_p7Fa7cvLwGcElTxgY7TbFwVQJKo6ZWsJQGLLDvoRVlFS3aBJrTahmRCPagzmkBnI

Targets

    • Target

      slinky.exe

    • Size

      14.2MB

    • MD5

      91082d279d39982ba9f87d11b6740f22

    • SHA1

      bf1d987851cbfe3388decab14e8687e94b437292

    • SHA256

      9fc61c5072e9fbb5c9443d7168e1aad26ac8cbfc79a2e03095ad5fa2206b65f2

    • SHA512

      40f284a497d4eab05889fd6f8eae48b22155340042562d3c257f29d44812eebe38989a084e3017c1c334797ad4a1dac4550709b6f2460edf9aa212cd1ab4e4b4

    • SSDEEP

      196608:sWJafoL/tUoTX4Zfbh1Yf0k7Ma/rkFlgdTaUrPPbdfw:sWsfm/abh1lkSFCdTauZo

    • 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.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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