Analysis

  • max time kernel
    133s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2024 07:16

General

  • Target

    Order88983273293729387293828PDF.exe

  • Size

    1.4MB

  • MD5

    abbfb2b5ebf6a24eef7269bde8e80640

  • SHA1

    99be0b33db303c353262f43d7c2e43a03b5e7b65

  • SHA256

    56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10

  • SHA512

    2dedaec26edd4e9b23b31bdab83fabd88884da7958f4e7611fb7667cd3ddc6a795cf7b1b79abcf0c6f13b03ac74763532705e316742f1052a1a5f6e5bb92dd6d

  • SSDEEP

    12288:b/bzOGnF/lx54LOaJleaqIs/eBj52DYWQNwF/zsjVODN/B:bmGLZmx5gYWRaYJ/

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

man

C2

new-visit.com:3791

Mutex

3302836a-f2f9-4646-981e-42b54ed610dd

Attributes
  • encryption_key

    C058A6A166AF85C9027394334AA2BDC41A9B7D9C

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3432
      • C:\Users\Admin\AppData\Local\Temp\Order88983273293729387293828PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\Order88983273293729387293828PDF.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops startup file
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4836
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4284

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4284-1097-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/4284-1098-0x0000000000400000-0x0000000000724000-memory.dmp

      Filesize

      3.1MB

    • memory/4284-1099-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/4284-1100-0x0000000004C50000-0x0000000004C5A000-memory.dmp

      Filesize

      40KB

    • memory/4284-1101-0x00000000063B0000-0x00000000069C8000-memory.dmp

      Filesize

      6.1MB

    • memory/4284-1109-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/4284-1108-0x0000000007340000-0x00000000073A6000-memory.dmp

      Filesize

      408KB

    • memory/4284-1107-0x0000000007290000-0x00000000072CC000-memory.dmp

      Filesize

      240KB

    • memory/4284-1106-0x0000000007230000-0x0000000007242000-memory.dmp

      Filesize

      72KB

    • memory/4284-1103-0x00000000061A0000-0x0000000006252000-memory.dmp

      Filesize

      712KB

    • memory/4284-1102-0x0000000005F40000-0x0000000005F90000-memory.dmp

      Filesize

      320KB

    • memory/4836-18-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-70-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-14-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-36-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-44-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-52-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-50-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-48-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-46-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-42-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-40-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-39-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-34-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-32-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-30-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-28-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-26-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-24-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-20-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-6-0x00000000070F0000-0x0000000007182000-memory.dmp

      Filesize

      584KB

    • memory/4836-12-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-10-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-22-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-16-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-58-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-8-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-68-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-62-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-56-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-66-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-64-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-54-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-60-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-7-0x0000000006D60000-0x0000000006F66000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-1081-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/4836-1082-0x00000000073B0000-0x000000000752E000-memory.dmp

      Filesize

      1.5MB

    • memory/4836-1083-0x0000000007200000-0x000000000724C000-memory.dmp

      Filesize

      304KB

    • memory/4836-1085-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

      Filesize

      4KB

    • memory/4836-1088-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/4836-1089-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/4836-5-0x00000000075A0000-0x0000000007B44000-memory.dmp

      Filesize

      5.6MB

    • memory/4836-4-0x0000000006D60000-0x0000000006F6C000-memory.dmp

      Filesize

      2.0MB

    • memory/4836-3-0x0000000005910000-0x0000000005920000-memory.dmp

      Filesize

      64KB

    • memory/4836-2-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/4836-1-0x0000000000E70000-0x0000000000FE0000-memory.dmp

      Filesize

      1.4MB

    • memory/4836-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

      Filesize

      4KB

    • memory/4836-1091-0x0000000007260000-0x00000000072B4000-memory.dmp

      Filesize

      336KB

    • memory/4836-1092-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/4836-1090-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/4836-1096-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB