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Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/12/2024, 21:55

General

  • Target

    friendsforever.exe

  • Size

    3.1MB

  • MD5

    ea836fb4533514a9a0e7e1b79378844d

  • SHA1

    efda5af5b9ee2d3c6f799e23435a1a4b741232e3

  • SHA256

    6f7eb9b82b545931d07d4763a819578e3161f3df295dfcbf6c831be04ee2e61d

  • SHA512

    c116e25c1c4550b4ba66137b442d2b7f372a0ac0f27f016e4e86e81b7c0d3f43c964fac5e8fe611690ea44d3caf27911a135ee3f4e44d8b872ec48576f68623a

  • SSDEEP

    98304:nvSL26AaNeWgPhlmVqkQ7XSKctFxwnys:vC4SR3x0y

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Click Lover

C2

193.161.193.99:44422

Mutex

98bd51bf-11bf-416b-a912-36f489dfdd26

Attributes
  • encryption_key

    2E11DF8B2B2BF1F6C123C50C37AB3BD9FF752BD5

  • install_name

    Video Application.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Video Application

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 5 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\friendsforever.exe
    "C:\Users\Admin\AppData\Local\Temp\friendsforever.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "Video Application" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Video Application.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1708
    • C:\Windows\system32\SubDir\Video Application.exe
      "C:\Windows\system32\SubDir\Video Application.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Windows\system32\schtasks.exe
        "schtasks" /create /tn "Video Application" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Video Application.exe" /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\System32\SubDir\Video Application.exe

    Filesize

    3.1MB

    MD5

    ea836fb4533514a9a0e7e1b79378844d

    SHA1

    efda5af5b9ee2d3c6f799e23435a1a4b741232e3

    SHA256

    6f7eb9b82b545931d07d4763a819578e3161f3df295dfcbf6c831be04ee2e61d

    SHA512

    c116e25c1c4550b4ba66137b442d2b7f372a0ac0f27f016e4e86e81b7c0d3f43c964fac5e8fe611690ea44d3caf27911a135ee3f4e44d8b872ec48576f68623a

  • memory/2508-8-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

    Filesize

    9.9MB

  • memory/2508-10-0x0000000000DB0000-0x00000000010D4000-memory.dmp

    Filesize

    3.1MB

  • memory/2508-11-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

    Filesize

    9.9MB

  • memory/2508-12-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

    Filesize

    9.9MB

  • memory/2532-0-0x000007FEF5253000-0x000007FEF5254000-memory.dmp

    Filesize

    4KB

  • memory/2532-1-0x0000000000E50000-0x0000000001174000-memory.dmp

    Filesize

    3.1MB

  • memory/2532-2-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

    Filesize

    9.9MB

  • memory/2532-9-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

    Filesize

    9.9MB