General

  • Target

    100.exe

  • Size

    9.9MB

  • Sample

    241003-1ahjrs1cqc

  • MD5

    2f04d8cb1c20951d42ea014dc62f3863

  • SHA1

    36b1683a309af4c482306683a22e47b46d26d38a

  • SHA256

    efa8951bc09bf56acd7501f9058920efef6d1766f22f65126bb53e82b6c4a4bf

  • SHA512

    14ecab3ed45401005ad2571cb7a62ee1208c4ced11e8369b31a2515daba0763840bcbefba02fd283864bb2307715dd8747f32ec51f109ef6c28b7cfff9c98c33

  • SSDEEP

    98304:5iyzkxkJslYf0Wk8+Z6Uhv0wD4xD1ZTE7IgwmZmHJ1RY7:5qkJsmD/Uhv0E4N1ZArqG7

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1135938366463029258/vJmeyFxpmZaKbzjPYsSWaz4Wl0kpI1mEtdYVOK105NQx9rzZ1ORARwaZNiuwBNU_zT6t

Targets

    • Target

      100.exe

    • Size

      9.9MB

    • MD5

      2f04d8cb1c20951d42ea014dc62f3863

    • SHA1

      36b1683a309af4c482306683a22e47b46d26d38a

    • SHA256

      efa8951bc09bf56acd7501f9058920efef6d1766f22f65126bb53e82b6c4a4bf

    • SHA512

      14ecab3ed45401005ad2571cb7a62ee1208c4ced11e8369b31a2515daba0763840bcbefba02fd283864bb2307715dd8747f32ec51f109ef6c28b7cfff9c98c33

    • SSDEEP

      98304:5iyzkxkJslYf0Wk8+Z6Uhv0wD4xD1ZTE7IgwmZmHJ1RY7:5qkJsmD/Uhv0E4N1ZArqG7

    • Skuld stealer

      An info stealer written in Go lang.

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

MITRE ATT&CK Enterprise v15

Tasks