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Analysis

  • max time kernel
    123s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    28/06/2024, 11:51

General

  • Target

    17195754577dbd5ae1f4b24d095fc267adb5877fe98f46f7a2a971c7800909e5f3250661b1649.dat-decoded.exe

  • Size

    916KB

  • MD5

    6784aa946d316985ed1b8698ad2b9831

  • SHA1

    7a292430ad4c64a575ada8900d99e8fbe33f5785

  • SHA256

    e2cc914a1df535f2cf88007a518a9990afe5ccdb9cf1262e550e2ce8cc9c7eb0

  • SHA512

    53ed9d033600d7cd0d60dedecad4d7fdae2f202982fb9ea6084cd7e2602df3b285bdc688b9acdd52f6bd6114e77945748bb4d73883063f79d8db92031a70fd48

  • SSDEEP

    24576:tmkdueXjq0OQKc2YSEegpQRDLusJLK1lk2oLP:IkdueXjq0OQKc2YSEegpshk1lk

Malware Config

Extracted

Family

quasar

Version

2.8.0.1

Botnet

Hotels

C2

45.40.96.164:5552

Mutex

4zqoNUTZKMvnLHkoUD

Attributes
  • encryption_key

    DrELkLp18Pk08e6KWRUc

  • install_name

    Registry.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Hotels Client Startup

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17195754577dbd5ae1f4b24d095fc267adb5877fe98f46f7a2a971c7800909e5f3250661b1649.dat-decoded.exe
    "C:\Users\Admin\AppData\Local\Temp\17195754577dbd5ae1f4b24d095fc267adb5877fe98f46f7a2a971c7800909e5f3250661b1649.dat-decoded.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1784

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1784-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

    Filesize

    4KB

  • memory/1784-1-0x0000000001350000-0x000000000143C000-memory.dmp

    Filesize

    944KB

  • memory/1784-2-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1784-3-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

    Filesize

    4KB

  • memory/1784-4-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB