Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/04/2024, 01:27

General

  • Target
    7c5b92ed56a0a571be9ebe0e12e887b1a0b545ed615268e9b783558fd06dc098.exe
  • Size 3.1MB
  • Sample240425-bt45fach29
  • SHA256 7c5b92ed56a0a571be9ebe0e12e887b1a0b545ed615268e9b783558fd06dc098
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Office04

C2
  • 185.196.10.233:4782

Mutex
  • b0fcdfbd-bdd4-4a5d-8ab1-7217539d4db6

Attributes
  • encryption_key

    0EC03133971030F6D05E6D59F71626F6543BBE65

  • install_name

    gfdgfdg.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    fgfdhdgg

  • subdirectory

    gfgfgf

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c5b92ed56a0a571be9ebe0e12e887b1a0b545ed615268e9b783558fd06dc098.exe
    "C:\Users\Admin\AppData\Local\Temp\7c5b92ed56a0a571be9ebe0e12e887b1a0b545ed615268e9b783558fd06dc098.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4504

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4504-0-0x00000000007D0000-0x0000000000AF4000-memory.dmp

        memory/4504-1-0x00007FFFB0480000-0x00007FFFB0F41000-memory.dmp

        memory/4504-2-0x000000001B800000-0x000000001B810000-memory.dmp

        memory/4504-3-0x0000000002D80000-0x0000000002DD0000-memory.dmp

        memory/4504-4-0x000000001BC10000-0x000000001BCC2000-memory.dmp

        memory/4504-7-0x0000000002E00000-0x0000000002E12000-memory.dmp

        memory/4504-8-0x000000001B760000-0x000000001B79C000-memory.dmp

        memory/4504-9-0x00007FFFB0480000-0x00007FFFB0F41000-memory.dmp