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Analysis

  • max time kernel
    31s
  • max time network
    32s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01/02/2025, 09:19

General

  • Target

    Synaptics.exe

  • Size

    764KB

  • MD5

    85e3d4ac5a6ef32fb93764c090ef32b7

  • SHA1

    adedb0aab26d15cf96f66fda8b4cfbbdcc15ef52

  • SHA256

    4e5cc8cb98584335400d00f0a0803c3e0202761f3fbe50bcab3858a80df255e1

  • SHA512

    a7a037bde41bcd425be18a712e27a793185f7fde638e139bbd9d253c371cd9622385eda39cf91ab715ead2591cff5b8c9f5b31d903f138d8af7bab6a9001ccab

  • SSDEEP

    12288:6MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9Ufbj:6nsJ39LyjbJkQFMhmC+6GD9mH

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family

quasar

Version

1.4.1

Botnet

CleanerV2

C2

192.168.4.185:4782

Mutex

1607a026-352e-4041-bc1f-757dd6cd2e95

Attributes
  • encryption_key

    73BCD6A075C4505333DE1EDC77C7242196AF9552

  • install_name

    Client.exe

  • log_directory

    Clean

  • reconnect_delay

    3000

  • startup_key

    CleanerV2

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 2 IoCs
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Downloads MZ/PE file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 6 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 behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 17 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\Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\Synaptics.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2172
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3700
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Downloads MZ/PE file
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5096
        • C:\Users\Admin\AppData\Local\Temp\Files\CleanerV2.exe
          "C:\Users\Admin\AppData\Local\Temp\Files\CleanerV2.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4844
          • C:\Windows\SYSTEM32\schtasks.exe
            "schtasks" /create /tn "CleanerV2" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:4220
          • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
            "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:400
            • C:\Windows\SYSTEM32\schtasks.exe
              "schtasks" /create /tn "CleanerV2" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:2004
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1172
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
    1⤵
      PID:3504
    • C:\Windows\system32\BackgroundTransferHost.exe
      "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
      1⤵
      • Modifies registry class
      PID:4956

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      764KB

      MD5

      85e3d4ac5a6ef32fb93764c090ef32b7

      SHA1

      adedb0aab26d15cf96f66fda8b4cfbbdcc15ef52

      SHA256

      4e5cc8cb98584335400d00f0a0803c3e0202761f3fbe50bcab3858a80df255e1

      SHA512

      a7a037bde41bcd425be18a712e27a793185f7fde638e139bbd9d253c371cd9622385eda39cf91ab715ead2591cff5b8c9f5b31d903f138d8af7bab6a9001ccab

    • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\86a8dc27-86d9-426c-b1ef-408d8bec040d.down_data

      Filesize

      555KB

      MD5

      5683c0028832cae4ef93ca39c8ac5029

      SHA1

      248755e4e1db552e0b6f8651b04ca6d1b31a86fb

      SHA256

      855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

      SHA512

      aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

    • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe

      Filesize

      10KB

      MD5

      2a94f3960c58c6e70826495f76d00b85

      SHA1

      e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

      SHA256

      2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

      SHA512

      fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

    • C:\Users\Admin\AppData\Local\Temp\C0C75E00

      Filesize

      22KB

      MD5

      daf6e82c0c13921cd7c2aff60a7bed9a

      SHA1

      a548d0f5ff7bedb0bddd64da266c1894d058a311

      SHA256

      c813009be2c90202c5b84121bef5131c07354f7fd2a92f3c7c7b047fd9bc702f

      SHA512

      a0239737279d4abc19384a288d2b0f43ba1b32bcd98e7796c6b5f634437ab1e5a44bd9f5316007cd44dbe430b2e33e618c19363f780700390193d9b6a68b3126

    • C:\Users\Admin\AppData\Local\Temp\Files\CleanerV2.exe

      Filesize

      3.1MB

      MD5

      e6aeb08ae65e312d03f1092df3ba422c

      SHA1

      f0a4cbe24646ad6bd75869ecc8991fd3a7b55e62

      SHA256

      74fc53844845b75a441d394b74932caa7c7ad583e091ec0521c78ebad718100e

      SHA512

      5cce681c2bfea2924516abab84028ebbd78194a4a9a83f9cfdcebdf88aba9e799b1e9ca859a0c68a2438c1c6b605120fc5f192db205173b36237512623514284

    • C:\Users\Admin\AppData\Local\Temp\jsJYrTp9.xlsm

      Filesize

      17KB

      MD5

      e566fc53051035e1e6fd0ed1823de0f9

      SHA1

      00bc96c48b98676ecd67e81a6f1d7754e4156044

      SHA256

      8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

      SHA512

      a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    • memory/400-211-0x000000001C510000-0x000000001C560000-memory.dmp

      Filesize

      320KB

    • memory/400-212-0x000000001C620000-0x000000001C6D2000-memory.dmp

      Filesize

      712KB

    • memory/1172-136-0x00007FFF41990000-0x00007FFF419A0000-memory.dmp

      Filesize

      64KB

    • memory/1172-138-0x00007FFF41990000-0x00007FFF419A0000-memory.dmp

      Filesize

      64KB

    • memory/1172-139-0x00007FFF41990000-0x00007FFF419A0000-memory.dmp

      Filesize

      64KB

    • memory/1172-137-0x00007FFF41990000-0x00007FFF419A0000-memory.dmp

      Filesize

      64KB

    • memory/1172-140-0x00007FFF41990000-0x00007FFF419A0000-memory.dmp

      Filesize

      64KB

    • memory/1172-141-0x00007FFF3EEB0000-0x00007FFF3EEC0000-memory.dmp

      Filesize

      64KB

    • memory/1172-142-0x00007FFF3EEB0000-0x00007FFF3EEC0000-memory.dmp

      Filesize

      64KB

    • memory/2172-133-0x0000000000DB0000-0x0000000000DB8000-memory.dmp

      Filesize

      32KB

    • memory/2172-134-0x0000000005700000-0x000000000579C000-memory.dmp

      Filesize

      624KB

    • memory/2172-186-0x000000007244E000-0x000000007244F000-memory.dmp

      Filesize

      4KB

    • memory/2172-125-0x000000007244E000-0x000000007244F000-memory.dmp

      Filesize

      4KB

    • memory/3700-187-0x0000000000400000-0x00000000004C5000-memory.dmp

      Filesize

      788KB

    • memory/3700-188-0x0000000000790000-0x0000000000791000-memory.dmp

      Filesize

      4KB

    • memory/3700-130-0x0000000000790000-0x0000000000791000-memory.dmp

      Filesize

      4KB

    • memory/4776-0-0x0000000002480000-0x0000000002481000-memory.dmp

      Filesize

      4KB

    • memory/4776-128-0x0000000000400000-0x00000000004C5000-memory.dmp

      Filesize

      788KB

    • memory/4844-204-0x00000000003E0000-0x0000000000704000-memory.dmp

      Filesize

      3.1MB