Analysis

  • max time kernel
    111s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • submitted
    02/10/2024, 08:50

General

  • Target

    e471c79f05d1e200be17cfdf21e687b943b79facf1c2ba7ada2698ae79e15d23N.exe

  • Size

    744KB

  • MD5

    065a6660aaacb34cd1fa3c46509a37c0

  • SHA1

    840e047f43634f2c8dba5bbf6e88e221ff0e5d04

  • SHA256

    e471c79f05d1e200be17cfdf21e687b943b79facf1c2ba7ada2698ae79e15d23

  • SHA512

    b2ca39db86d631a4db7dd5cdd6f9596bdb02d98d09c7af7822426b083494087db5fb9723e491b64a68787f17ed8fed81209763c09d36b5860b74949cd38a05d3

  • SSDEEP

    12288:fMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9ZP:fnsJ39LyjbJkQFMhmC+6GD9F

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 1 IoCs

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

  • Executes dropped EXE 1 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 2 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 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e471c79f05d1e200be17cfdf21e687b943b79facf1c2ba7ada2698ae79e15d23N.exe
    "C:\Users\Admin\AppData\Local\Temp\e471c79f05d1e200be17cfdf21e687b943b79facf1c2ba7ada2698ae79e15d23N.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:2716
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2808
  • 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:372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    744KB

    MD5

    065a6660aaacb34cd1fa3c46509a37c0

    SHA1

    840e047f43634f2c8dba5bbf6e88e221ff0e5d04

    SHA256

    e471c79f05d1e200be17cfdf21e687b943b79facf1c2ba7ada2698ae79e15d23

    SHA512

    b2ca39db86d631a4db7dd5cdd6f9596bdb02d98d09c7af7822426b083494087db5fb9723e491b64a68787f17ed8fed81209763c09d36b5860b74949cd38a05d3

  • C:\Users\Admin\AppData\Local\Temp\0EB75E00

    Filesize

    26KB

    MD5

    98686fc73ceb6b7aa9d3d3bbcfda3950

    SHA1

    f0f399c4a4bb751095e9af078654c53a0eb71ad1

    SHA256

    4c7514056e231405b7d084041b63a98d13a32f83648a4078d4efa1951e767279

    SHA512

    cbfc499c719fa3be8ed1f94e5d8bb0d64770bd6b24dd33e337d3f6d61d50645ace3e98f60414a687124eac9eeb34a91180237dd2cb35b9125a0e83714cad30a7

  • C:\Users\Admin\AppData\Local\Temp\xN3Drylq.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/372-53-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

    Filesize

    2.0MB

  • memory/372-55-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

    Filesize

    2.0MB

  • memory/372-42-0x00007FFCE87AD000-0x00007FFCE87AE000-memory.dmp

    Filesize

    4KB

  • memory/372-43-0x00007FFCA8790000-0x00007FFCA87A0000-memory.dmp

    Filesize

    64KB

  • memory/372-41-0x00007FFCA8790000-0x00007FFCA87A0000-memory.dmp

    Filesize

    64KB

  • memory/372-40-0x00007FFCA8790000-0x00007FFCA87A0000-memory.dmp

    Filesize

    64KB

  • memory/372-45-0x00007FFCA8790000-0x00007FFCA87A0000-memory.dmp

    Filesize

    64KB

  • memory/372-44-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

    Filesize

    2.0MB

  • memory/372-46-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

    Filesize

    2.0MB

  • memory/372-48-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

    Filesize

    2.0MB

  • memory/372-47-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

    Filesize

    2.0MB

  • memory/372-104-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

    Filesize

    2.0MB

  • memory/372-54-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

    Filesize

    2.0MB

  • memory/372-39-0x00007FFCA8790000-0x00007FFCA87A0000-memory.dmp

    Filesize

    64KB

  • memory/372-52-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

    Filesize

    2.0MB

  • memory/372-51-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

    Filesize

    2.0MB

  • memory/372-50-0x00007FFCE8710000-0x00007FFCE8905000-memory.dmp

    Filesize

    2.0MB

  • memory/372-49-0x00007FFCA5E30000-0x00007FFCA5E40000-memory.dmp

    Filesize

    64KB

  • memory/372-59-0x00007FFCA5E30000-0x00007FFCA5E40000-memory.dmp

    Filesize

    64KB

  • memory/2716-37-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/2716-0-0x0000000002250000-0x0000000002251000-memory.dmp

    Filesize

    4KB

  • memory/2808-38-0x0000000000790000-0x0000000000791000-memory.dmp

    Filesize

    4KB

  • memory/2808-103-0x0000000000790000-0x0000000000791000-memory.dmp

    Filesize

    4KB

  • memory/2808-105-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/2808-135-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB