Analysis

  • max time kernel
    112s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 12:50

General

  • Target

    33c3a67e7b3680a8f3f3c2d7b6c262ac9375a4e5a964ab84f826a790570c5f1bN.exe

  • Size

    898KB

  • MD5

    a446b22cb3093a099c48c96fe3dbb980

  • SHA1

    c7c416787c7b02626779553a4b43177fbd0e7334

  • SHA256

    33c3a67e7b3680a8f3f3c2d7b6c262ac9375a4e5a964ab84f826a790570c5f1b

  • SHA512

    354125d920f2a001eda845f2d887d1961ea950ccb77aef4eeea9f0a4a86ee2d5263da010b6fe1acf9c5363266d143fa5c2c19b7436c532657351b697defdaa61

  • SSDEEP

    12288:AMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9IKnPdjDupjIa61Uz:AnsJ39LyjbJkQFMhmC+6GD9PPdjCj44

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

Signatures

  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 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 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33c3a67e7b3680a8f3f3c2d7b6c262ac9375a4e5a964ab84f826a790570c5f1bN.exe
    "C:\Users\Admin\AppData\Local\Temp\33c3a67e7b3680a8f3f3c2d7b6c262ac9375a4e5a964ab84f826a790570c5f1bN.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4472
    • C:\Users\Admin\AppData\Local\Temp\._cache_33c3a67e7b3680a8f3f3c2d7b6c262ac9375a4e5a964ab84f826a790570c5f1bN.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_33c3a67e7b3680a8f3f3c2d7b6c262ac9375a4e5a964ab84f826a790570c5f1bN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2196
      • C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe
        "C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe" _?=C:\Users\Admin\AppData\Local\Temp\
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3540
        • C:\Windows\SysWOW64\regsvr32.exe
          "C:\Windows\system32\regsvr32.exe" /u /s "C:\Users\Admin\AppData\Local\Temp\data\obs-plugins\win-dshow\obs-virtualcam-module32.dll"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2748
        • C:\Windows\SysWOW64\regsvr32.exe
          "C:\Windows\system32\regsvr32.exe" /u /s "C:\Users\Admin\AppData\Local\Temp\data\obs-plugins\win-dshow\obs-virtualcam-module64.dll"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2240
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3424
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2424
        • C:\Users\Admin\AppData\Local\Temp\~nsu2.tmp\Un.exe
          "C:\Users\Admin\AppData\Local\Temp\~nsu2.tmp\Un.exe" InjUpdate _?=C:\Users\Admin\AppData\Local\Temp\
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1992
          • C:\Windows\SysWOW64\regsvr32.exe
            "C:\Windows\system32\regsvr32.exe" /u /s "C:\Users\Admin\AppData\Local\Temp\data\obs-plugins\win-dshow\obs-virtualcam-module32.dll"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4368
          • C:\Windows\SysWOW64\regsvr32.exe
            "C:\Windows\system32\regsvr32.exe" /u /s "C:\Users\Admin\AppData\Local\Temp\data\obs-plugins\win-dshow\obs-virtualcam-module64.dll"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2860
  • 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:4916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    898KB

    MD5

    a446b22cb3093a099c48c96fe3dbb980

    SHA1

    c7c416787c7b02626779553a4b43177fbd0e7334

    SHA256

    33c3a67e7b3680a8f3f3c2d7b6c262ac9375a4e5a964ab84f826a790570c5f1b

    SHA512

    354125d920f2a001eda845f2d887d1961ea950ccb77aef4eeea9f0a4a86ee2d5263da010b6fe1acf9c5363266d143fa5c2c19b7436c532657351b697defdaa61

  • C:\Users\Admin\AppData\Local\Temp\._cache_33c3a67e7b3680a8f3f3c2d7b6c262ac9375a4e5a964ab84f826a790570c5f1bN.exe

    Filesize

    144KB

    MD5

    4ccbe25e360023421c703a858f4a377c

    SHA1

    ec3e91ed7ced0dc9319d7a59e25ad7384f336842

    SHA256

    8a5d67ad13db5cf105b99a0c90b1954fca96388fba1d7df329bcd689c79420ff

    SHA512

    a6ca98bee85319989f456c85db3040c8cc4b8310d60aa408ba0390d79b3adf44c4c490a36c87ec63d5780d188b4aa5a0d7f728b57b8b3f5a4851f88f5b202f6b

  • C:\Users\Admin\AppData\Local\Temp\ipeSON8r.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\nsa79C6.tmp\System.dll

    Filesize

    12KB

    MD5

    4add245d4ba34b04f213409bfe504c07

    SHA1

    ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

    SHA256

    9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

    SHA512

    1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

  • C:\Users\Admin\AppData\Local\Temp\nsa79C6.tmp\modern-header.bmp

    Filesize

    33KB

    MD5

    f007ed32620609ef99928c078564b2a0

    SHA1

    324371a33b4e1aa557ab1b863fae6b9d623d3bed

    SHA256

    9c7a53caac4a9ce099278ad1b2364296a3170d893bfb21dda35eb1ffc5b30fce

    SHA512

    88e62c77391776429eba180281a2b9df7430ac8873578a3cf9e7ebbf708d50997282eeefc2fd0f7016a9837d03a677b38534bc695958f12ac214a5736bb11272

  • memory/3424-134-0x00000000006A0000-0x00000000006A1000-memory.dmp

    Filesize

    4KB

  • memory/3424-214-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/3424-276-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/3424-245-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/4472-128-0x0000000000400000-0x00000000004E6000-memory.dmp

    Filesize

    920KB

  • memory/4472-0-0x0000000002280000-0x0000000002281000-memory.dmp

    Filesize

    4KB

  • memory/4916-225-0x00007FFC3FC90000-0x00007FFC3FCA0000-memory.dmp

    Filesize

    64KB

  • memory/4916-229-0x00007FFC3FC90000-0x00007FFC3FCA0000-memory.dmp

    Filesize

    64KB

  • memory/4916-230-0x00007FFC3D8E0000-0x00007FFC3D8F0000-memory.dmp

    Filesize

    64KB

  • memory/4916-231-0x00007FFC3D8E0000-0x00007FFC3D8F0000-memory.dmp

    Filesize

    64KB

  • memory/4916-228-0x00007FFC3FC90000-0x00007FFC3FCA0000-memory.dmp

    Filesize

    64KB

  • memory/4916-226-0x00007FFC3FC90000-0x00007FFC3FCA0000-memory.dmp

    Filesize

    64KB

  • memory/4916-227-0x00007FFC3FC90000-0x00007FFC3FCA0000-memory.dmp

    Filesize

    64KB