Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 22:21

General

  • Target

    EasyAntiCheatServices.exe

  • Size

    274KB

  • MD5

    6dd81719785375d9b39a73d23119a234

  • SHA1

    ebdeef97704d5cb2a5f1d251571fab4f9f7c2c43

  • SHA256

    6922357de56e9066e341a1ad4a970fb0ea5b3ccf1f3740acce6c591734a1be0f

  • SHA512

    83316d31ee23510cc0d0f8b067cbe8681f3ab2e63e29100f403c95f4f7d8cb84205e1c6b5c3ab2a701af2b516d91f4b3d50c2e8da6317f0715aae5ec5e09cd2a

  • SSDEEP

    6144:Ef+BLtABPDMZZzIlzcwKUfmEbyiXrEtOyIOe0eIK:TZOnKUfmExPOe4K

Malware Config

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • 44Caliber family
  • BlackGuard

    Infostealer first seen in Late 2021.

  • Blackguard family
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EasyAntiCheatServices.exe
    "C:\Users\Admin\AppData\Local\Temp\EasyAntiCheatServices.exe"
    1⤵
    • Adds Run key to start application
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1488-0-0x000007FEF50B3000-0x000007FEF50B4000-memory.dmp

    Filesize

    4KB

  • memory/1488-1-0x0000000000BA0000-0x0000000000BEA000-memory.dmp

    Filesize

    296KB

  • memory/1488-2-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

    Filesize

    9.9MB

  • memory/1488-53-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

    Filesize

    9.9MB