General

  • Target

    1a9c59d5405545c7b42dba4fe8cc349be6e936bdf696368ee0b41e4f006032d4

  • Size

    9.9MB

  • Sample

    241128-eg46fszrhr

  • MD5

    25676c9a433d3dbf9c3bcb44ab39873e

  • SHA1

    8407f1842d63c7513290cbdf4fe1603812bf0453

  • SHA256

    1a9c59d5405545c7b42dba4fe8cc349be6e936bdf696368ee0b41e4f006032d4

  • SHA512

    e4c4bb7f98451523b3b7af913d8b923410590781a40920b6b592ed7c0ce55abb069077401bf5081b51620cdd64ad1d8bc0ec87f6f92b3cec2c88af59e9b87577

  • SSDEEP

    98304:DzU4brhxBASgf/gEpiji6Ig8TWA5EIICafZm/mbnXg:DxrhxBAGZji6IdThaRTXg

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1308221616035070077/ZvW_NI9m77AynQlvy5vPgnJpwDRi3zyZtu9gP6k_9TTJsZTJAC8QDWmGMw_qJ21KvWNG

Targets

    • Target

      1a9c59d5405545c7b42dba4fe8cc349be6e936bdf696368ee0b41e4f006032d4

    • Size

      9.9MB

    • MD5

      25676c9a433d3dbf9c3bcb44ab39873e

    • SHA1

      8407f1842d63c7513290cbdf4fe1603812bf0453

    • SHA256

      1a9c59d5405545c7b42dba4fe8cc349be6e936bdf696368ee0b41e4f006032d4

    • SHA512

      e4c4bb7f98451523b3b7af913d8b923410590781a40920b6b592ed7c0ce55abb069077401bf5081b51620cdd64ad1d8bc0ec87f6f92b3cec2c88af59e9b87577

    • SSDEEP

      98304:DzU4brhxBASgf/gEpiji6Ig8TWA5EIICafZm/mbnXg:DxrhxBAGZji6IdThaRTXg

    • Skuld family

    • Skuld stealer

      An info stealer written in Go lang.

    • 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

    • 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