Analysis

  • max time kernel
    111s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 02:39

General

  • Target

    b15cf2fae36843167d2fee5f6004714720a8653cfe98fc948628ca94eec70df6N.exe

  • Size

    1.0MB

  • MD5

    fa6b5346e457977e01fd7335a5037db0

  • SHA1

    550b99ed3f1849b6d7c71dc1a29919f1d5feb997

  • SHA256

    b15cf2fae36843167d2fee5f6004714720a8653cfe98fc948628ca94eec70df6

  • SHA512

    74fd0d73f5d53a8e6243555cfb8084fe5b2237c8a10c937e2ca7c970ce737cde5e04f544a8d3220e68e98f0ad867f290a85306dbf90e84684c7560650497aac3

  • SSDEEP

    24576:NnsJ39LyjbJkQFMhmC+6GD9JysbOShT6r:NnsHyjtk2MYC5GDPfbOoTu

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
  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

  • 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 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b15cf2fae36843167d2fee5f6004714720a8653cfe98fc948628ca94eec70df6N.exe
    "C:\Users\Admin\AppData\Local\Temp\b15cf2fae36843167d2fee5f6004714720a8653cfe98fc948628ca94eec70df6N.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:5012
    • C:\Users\Admin\AppData\Local\Temp\._cache_b15cf2fae36843167d2fee5f6004714720a8653cfe98fc948628ca94eec70df6N.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_b15cf2fae36843167d2fee5f6004714720a8653cfe98fc948628ca94eec70df6N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1836
    • 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:3316
      • 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:3592
  • 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:4140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.0MB

    MD5

    fa6b5346e457977e01fd7335a5037db0

    SHA1

    550b99ed3f1849b6d7c71dc1a29919f1d5feb997

    SHA256

    b15cf2fae36843167d2fee5f6004714720a8653cfe98fc948628ca94eec70df6

    SHA512

    74fd0d73f5d53a8e6243555cfb8084fe5b2237c8a10c937e2ca7c970ce737cde5e04f544a8d3220e68e98f0ad867f290a85306dbf90e84684c7560650497aac3

  • C:\Users\Admin\AppData\Local\Temp\._cache_b15cf2fae36843167d2fee5f6004714720a8653cfe98fc948628ca94eec70df6N.exe

    Filesize

    319KB

    MD5

    3686a8e3e939c48bf218412cd8872196

    SHA1

    036e1f4d70d2fb49bfc9e95822f3b21db3f97c12

    SHA256

    9ebee74c48c7d2d37cdf8efa2b762de006ead948f67acc49117e42ac4a9e1b96

    SHA512

    c2d360bca42df9a124e85ef2e869e1551541959a50e729dd68f694b4c35acb4cbec1406206c9a94903fb10decd0743fe6024956348bffb9a7c41df9fcbe91cf8

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

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

    Filesize

    23KB

    MD5

    397c2332afe210363c7096859316d8e1

    SHA1

    ea94cb2eb4232a83744c34d0f9a62a4d8c821b04

    SHA256

    39bb29790e49febd0534103a77129fc91a057b18f9360bec294b8e8c928321d1

    SHA512

    e8aba48e12473421216c1d8e035e6aa24fe4eef09b3f28bc3b460fbc70497cb78eaa875501a01233f7b75831199c43843e11ce6eec53c00969a3b8a51f3b36a0

  • memory/3316-102-0x0000000002080000-0x0000000002081000-memory.dmp

    Filesize

    4KB

  • memory/3316-192-0x0000000002080000-0x0000000002081000-memory.dmp

    Filesize

    4KB

  • memory/3316-223-0x0000000000400000-0x0000000000512000-memory.dmp

    Filesize

    1.1MB

  • memory/3316-196-0x0000000000400000-0x0000000000512000-memory.dmp

    Filesize

    1.1MB

  • memory/3316-191-0x0000000000400000-0x0000000000512000-memory.dmp

    Filesize

    1.1MB

  • memory/4140-140-0x00007FFA26970000-0x00007FFA26980000-memory.dmp

    Filesize

    64KB

  • memory/4140-141-0x00007FFA24880000-0x00007FFA24890000-memory.dmp

    Filesize

    64KB

  • memory/4140-142-0x00007FFA24880000-0x00007FFA24890000-memory.dmp

    Filesize

    64KB

  • memory/4140-139-0x00007FFA26970000-0x00007FFA26980000-memory.dmp

    Filesize

    64KB

  • memory/4140-136-0x00007FFA26970000-0x00007FFA26980000-memory.dmp

    Filesize

    64KB

  • memory/4140-137-0x00007FFA26970000-0x00007FFA26980000-memory.dmp

    Filesize

    64KB

  • memory/4140-138-0x00007FFA26970000-0x00007FFA26980000-memory.dmp

    Filesize

    64KB

  • memory/5012-0-0x00000000023D0000-0x00000000023D1000-memory.dmp

    Filesize

    4KB

  • memory/5012-101-0x0000000000400000-0x0000000000512000-memory.dmp

    Filesize

    1.1MB