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Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2024, 11:43

General

  • Target

    3386bdb8aa5d8fe70de357c179018803da064ac6478ba810b915f29aa229462e.exe

  • Size

    4.6MB

  • MD5

    d8734a9286d0a51bc1f0a37ddfc35344

  • SHA1

    75a5954e9762a09d6dfd638907a416b8f2bfb656

  • SHA256

    3386bdb8aa5d8fe70de357c179018803da064ac6478ba810b915f29aa229462e

  • SHA512

    51c7d06a0cabc7ddbb22400b510c9abb7695de43da20c83bac4efb06f3b4466dce9cd23c87e17649c478e8386116fe1dc0a9af575fe2694104e8f129231919dc

  • SSDEEP

    49152:knsHyjtk2MYC5GDd1GtQfUZ53MQD7typ+VeQWwbM7FDC/5xKyzKC8aJBVE2+ofHZ:knsmtk2aStCtD7tNPKyuC53+2+ofh/wi

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 3 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 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 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3386bdb8aa5d8fe70de357c179018803da064ac6478ba810b915f29aa229462e.exe
    "C:\Users\Admin\AppData\Local\Temp\3386bdb8aa5d8fe70de357c179018803da064ac6478ba810b915f29aa229462e.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:1156
    • C:\Users\Admin\AppData\Local\Temp\._cache_3386bdb8aa5d8fe70de357c179018803da064ac6478ba810b915f29aa229462e.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_3386bdb8aa5d8fe70de357c179018803da064ac6478ba810b915f29aa229462e.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4160
    • 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:4176
      • 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
        PID:2844
  • 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:2928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    4.6MB

    MD5

    d8734a9286d0a51bc1f0a37ddfc35344

    SHA1

    75a5954e9762a09d6dfd638907a416b8f2bfb656

    SHA256

    3386bdb8aa5d8fe70de357c179018803da064ac6478ba810b915f29aa229462e

    SHA512

    51c7d06a0cabc7ddbb22400b510c9abb7695de43da20c83bac4efb06f3b4466dce9cd23c87e17649c478e8386116fe1dc0a9af575fe2694104e8f129231919dc

  • C:\Users\Admin\AppData\Local\Temp\._cache_3386bdb8aa5d8fe70de357c179018803da064ac6478ba810b915f29aa229462e.exe

    Filesize

    3.9MB

    MD5

    8ccc41b8aff48c2d933603cc6209260a

    SHA1

    d84f1fef3a8b029cd14d2015ec88f804186d94f8

    SHA256

    83c2d22f495011f4a4524791c38382b8011803e2e50c274e6d02a510cd6b6baf

    SHA512

    856c08cb392a09c48306c83ad917f312f1b9ede90aa60253752c4d35d5525301d0c958d6bcb535d4ffcc9faab5638140103a1b7f81f2539b3acc6c9b7bbcafab

  • C:\Users\Admin\AppData\Local\Temp\38C75E00

    Filesize

    26KB

    MD5

    cf346c7be07a9341beceb3fc8c2fc72a

    SHA1

    67e6460ad06c19920b3b3c612d8400bb58757c14

    SHA256

    012c449839a989750309c1e9f3bd0a90f5acb3d71e77c331ab87a7928b91dc43

    SHA512

    c7d19b15d98dda8ae6e34eb54741e6173a38833db9bb4953218411d98ba338f215bfdb9995f7a694a98264be656fd5091bee5bec3960e1737f4b129048335b99

  • C:\Users\Admin\AppData\Local\Temp\CkGjdbJ8.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1156-128-0x0000000000400000-0x00000000008A4000-memory.dmp

    Filesize

    4.6MB

  • memory/1156-0-0x0000000002860000-0x0000000002861000-memory.dmp

    Filesize

    4KB

  • memory/2928-192-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

  • memory/2928-195-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

  • memory/2928-196-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

  • memory/2928-194-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

  • memory/2928-193-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

  • memory/2928-197-0x00007FFC0A200000-0x00007FFC0A210000-memory.dmp

    Filesize

    64KB

  • memory/2928-198-0x00007FFC0A200000-0x00007FFC0A210000-memory.dmp

    Filesize

    64KB

  • memory/4176-131-0x00000000009F0000-0x00000000009F1000-memory.dmp

    Filesize

    4KB

  • memory/4176-246-0x00000000009F0000-0x00000000009F1000-memory.dmp

    Filesize

    4KB

  • memory/4176-245-0x0000000000400000-0x00000000008A4000-memory.dmp

    Filesize

    4.6MB

  • memory/4176-277-0x0000000000400000-0x00000000008A4000-memory.dmp

    Filesize

    4.6MB