Analysis

  • max time kernel
    139s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/08/2023, 06:20

General

  • Target

    myproject.exe

  • Size

    1.9MB

  • MD5

    5d8857dfbf92c11e3d816e146a90574b

  • SHA1

    3bb590eba78454a49a81c1cd93b6111119defde1

  • SHA256

    9d3b91e313cc1183cbc94c36a1aa0b50e5a2e2178293240e935d5626c4994db2

  • SHA512

    c13dded3e6bc325e56db61e10cca634ca3e1ca0d04bb37cb3847530cd4d0b154b6dbc7bab12a7254590520f769f2c986ab7dadc65864e877f1932b05d342897a

  • SSDEEP

    49152:yq8O+4JhekmDCjyrZ9e1TsZbdJmkPzewFaxQXotaL:yqT+4JhvmDCurZ8FUlyPxQXota

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

CLppso

C2

5.249.163.32:4782

Mutex

edaac5e2-2388-4258-a93c-28e31ebe3f2a

Attributes
  • encryption_key

    124612CCBEAD0D1753510D04E4F680D28EF88CDD

  • 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 payload 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\myproject.exe
    "C:\Users\Admin\AppData\Local\Temp\myproject.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4132
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2944

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2944-1221-0x0000000000400000-0x0000000000724000-memory.dmp

          Filesize

          3.1MB

        • memory/2944-1223-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB

        • memory/2944-1224-0x00000000051F0000-0x0000000005200000-memory.dmp

          Filesize

          64KB

        • memory/2944-1225-0x00000000069E0000-0x0000000006FF8000-memory.dmp

          Filesize

          6.1MB

        • memory/2944-1226-0x0000000006570000-0x00000000065C0000-memory.dmp

          Filesize

          320KB

        • memory/2944-1234-0x00000000051F0000-0x0000000005200000-memory.dmp

          Filesize

          64KB

        • memory/2944-1233-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB

        • memory/2944-1232-0x0000000007970000-0x00000000079D6000-memory.dmp

          Filesize

          408KB

        • memory/2944-1231-0x00000000078C0000-0x00000000078FC000-memory.dmp

          Filesize

          240KB

        • memory/2944-1230-0x0000000007860000-0x0000000007872000-memory.dmp

          Filesize

          72KB

        • memory/2944-1227-0x00000000067D0000-0x0000000006882000-memory.dmp

          Filesize

          712KB

        • memory/4132-168-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-180-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-142-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-144-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-146-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-148-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-150-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-152-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-154-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-156-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-158-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-160-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-162-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-164-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-166-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-139-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-170-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-172-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-174-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-176-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-178-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-140-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-182-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-184-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-186-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-188-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-190-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-192-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-194-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-196-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-198-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-200-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-202-0x0000000006F50000-0x0000000007124000-memory.dmp

          Filesize

          1.8MB

        • memory/4132-138-0x00000000058C0000-0x00000000058CA000-memory.dmp

          Filesize

          40KB

        • memory/4132-137-0x0000000005B90000-0x0000000005BA0000-memory.dmp

          Filesize

          64KB

        • memory/4132-136-0x0000000005900000-0x0000000005992000-memory.dmp

          Filesize

          584KB

        • memory/4132-135-0x0000000005E10000-0x00000000063B4000-memory.dmp

          Filesize

          5.6MB

        • memory/4132-133-0x0000000000E20000-0x000000000100E000-memory.dmp

          Filesize

          1.9MB

        • memory/4132-134-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB

        • memory/4132-402-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB

        • memory/4132-529-0x0000000005B90000-0x0000000005BA0000-memory.dmp

          Filesize

          64KB

        • memory/4132-1217-0x0000000005B50000-0x0000000005B51000-memory.dmp

          Filesize

          4KB

        • memory/4132-1222-0x0000000074490000-0x0000000074C40000-memory.dmp

          Filesize

          7.7MB