Analysis

  • max time kernel
    112s
  • max time network
    120s
  • 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 17:09

General

  • Target

    6e3aa1962a45655b1a18ec7f46b8b57cafe7e99854b145ba3c81c0d0a1155d00.exe

  • Size

    754KB

  • MD5

    4268c9bea46642640128e7bd2f47c1b2

  • SHA1

    a729a31aeff746e177c92464f41add813ce3cf64

  • SHA256

    6e3aa1962a45655b1a18ec7f46b8b57cafe7e99854b145ba3c81c0d0a1155d00

  • SHA512

    caf785b0f6d875fd0e57bd0c402c70100962067cbf2ac53863f72e67459fdc44f428029e692a41e6865ab39c25d431cb797ffc3a919064211ba3c0fd5afbdf34

  • SSDEEP

    12288:KMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V95HBy:KnsJ39LyjbJkQFMhmC+6GD96

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 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e3aa1962a45655b1a18ec7f46b8b57cafe7e99854b145ba3c81c0d0a1155d00.exe
    "C:\Users\Admin\AppData\Local\Temp\6e3aa1962a45655b1a18ec7f46b8b57cafe7e99854b145ba3c81c0d0a1155d00.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:5092
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:972
  • 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:4268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    754KB

    MD5

    4268c9bea46642640128e7bd2f47c1b2

    SHA1

    a729a31aeff746e177c92464f41add813ce3cf64

    SHA256

    6e3aa1962a45655b1a18ec7f46b8b57cafe7e99854b145ba3c81c0d0a1155d00

    SHA512

    caf785b0f6d875fd0e57bd0c402c70100962067cbf2ac53863f72e67459fdc44f428029e692a41e6865ab39c25d431cb797ffc3a919064211ba3c0fd5afbdf34

  • C:\Users\Admin\AppData\Local\Temp\6DB75E00

    Filesize

    27KB

    MD5

    7881294b7b555a46b45c1cefc0d4cce1

    SHA1

    53491c67c1281050044f3a662f85666054ac69db

    SHA256

    ac0ed689c768f661387568cf393f4687eeeb8db01a6bcb128482fc11200f72e8

    SHA512

    98dfebc52734bc4da8282cac04822c75a85089134cbd71f8fc4e830f9b6c6c7cf02b10e3e2f9918ed6674eecfc4040cb29269cc0638097c6c02fef7017b5aa3b

  • C:\Users\Admin\AppData\Local\Temp\m8SmEjuk.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/972-158-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/972-65-0x00000000006A0000-0x00000000006A1000-memory.dmp

    Filesize

    4KB

  • memory/972-128-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/972-124-0x00000000006A0000-0x00000000006A1000-memory.dmp

    Filesize

    4KB

  • memory/4268-68-0x00007FFD7A7F0000-0x00007FFD7A800000-memory.dmp

    Filesize

    64KB

  • memory/4268-70-0x00007FFD7A7F0000-0x00007FFD7A800000-memory.dmp

    Filesize

    64KB

  • memory/4268-72-0x00007FFDBA770000-0x00007FFDBA965000-memory.dmp

    Filesize

    2.0MB

  • memory/4268-74-0x00007FFDBA770000-0x00007FFDBA965000-memory.dmp

    Filesize

    2.0MB

  • memory/4268-71-0x00007FFDBA770000-0x00007FFDBA965000-memory.dmp

    Filesize

    2.0MB

  • memory/4268-73-0x00007FFD7A7F0000-0x00007FFD7A800000-memory.dmp

    Filesize

    64KB

  • memory/4268-75-0x00007FFDBA770000-0x00007FFDBA965000-memory.dmp

    Filesize

    2.0MB

  • memory/4268-76-0x00007FFD783A0000-0x00007FFD783B0000-memory.dmp

    Filesize

    64KB

  • memory/4268-77-0x00007FFD783A0000-0x00007FFD783B0000-memory.dmp

    Filesize

    64KB

  • memory/4268-69-0x00007FFD7A7F0000-0x00007FFD7A800000-memory.dmp

    Filesize

    64KB

  • memory/4268-66-0x00007FFD7A7F0000-0x00007FFD7A800000-memory.dmp

    Filesize

    64KB

  • memory/4268-67-0x00007FFDBA80D000-0x00007FFDBA80E000-memory.dmp

    Filesize

    4KB

  • memory/4268-125-0x00007FFDBA770000-0x00007FFDBA965000-memory.dmp

    Filesize

    2.0MB

  • memory/4268-126-0x00007FFDBA80D000-0x00007FFDBA80E000-memory.dmp

    Filesize

    4KB

  • memory/4268-127-0x00007FFDBA770000-0x00007FFDBA965000-memory.dmp

    Filesize

    2.0MB

  • memory/5092-0-0x0000000002240000-0x0000000002241000-memory.dmp

    Filesize

    4KB

  • memory/5092-63-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB