Analysis

  • max time kernel
    111s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 18:02

General

  • Target

    d20f4c00226eb4b40b0147213356c0b166022a32ec11f778213a4951e2be484bN.exe

  • Size

    1.0MB

  • MD5

    ae704fd66d555252ebcad782ec4835c0

  • SHA1

    9f7a23a25ea89db5e3e852d4296f7728c686c0df

  • SHA256

    d20f4c00226eb4b40b0147213356c0b166022a32ec11f778213a4951e2be484b

  • SHA512

    cfe0cb3103372ace1fc55f7c352b68c0f55899c79e51dd6fde2ef4988d162adeb70113384d9f3f6b0221334ef3511c005900f29a7f5ce6c731ec956a3906571f

  • SSDEEP

    24576:WnsJ39LyjbJkQFMhmC+6GD97BI+G7Pfg+6vsssssssUSF:WnsHyjtk2MYC5GDlNG7HDSSF

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 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d20f4c00226eb4b40b0147213356c0b166022a32ec11f778213a4951e2be484bN.exe
    "C:\Users\Admin\AppData\Local\Temp\d20f4c00226eb4b40b0147213356c0b166022a32ec11f778213a4951e2be484bN.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:2648
    • C:\Users\Admin\AppData\Local\Temp\._cache_d20f4c00226eb4b40b0147213356c0b166022a32ec11f778213a4951e2be484bN.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_d20f4c00226eb4b40b0147213356c0b166022a32ec11f778213a4951e2be484bN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4900
    • 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:4796
      • 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:2356
  • 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:4536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.0MB

    MD5

    ae704fd66d555252ebcad782ec4835c0

    SHA1

    9f7a23a25ea89db5e3e852d4296f7728c686c0df

    SHA256

    d20f4c00226eb4b40b0147213356c0b166022a32ec11f778213a4951e2be484b

    SHA512

    cfe0cb3103372ace1fc55f7c352b68c0f55899c79e51dd6fde2ef4988d162adeb70113384d9f3f6b0221334ef3511c005900f29a7f5ce6c731ec956a3906571f

  • C:\Users\Admin\AppData\Local\Temp\._cache_d20f4c00226eb4b40b0147213356c0b166022a32ec11f778213a4951e2be484bN.exe

    Filesize

    296KB

    MD5

    663484f6a1aac823ebeaa029d6520778

    SHA1

    5a96524ac697b0226899f4e73a546c2204475f50

    SHA256

    72ee8f70039d3e6bbcae705664975a9631cac365117a1621bd92b514d10eacd0

    SHA512

    020a1d0c589cca1d470f572df085c9be34933a839a0f4d83e0cc87d7d47415a59bb6916747603d9d188755d01fe8638ab6795567e9a9591a7ba381bff2215a88

  • C:\Users\Admin\AppData\Local\Temp\Sux5hgrP.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/2648-0-0x00000000023C0000-0x00000000023C1000-memory.dmp

    Filesize

    4KB

  • memory/2648-128-0x0000000000400000-0x000000000050D000-memory.dmp

    Filesize

    1.1MB

  • memory/4536-193-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

    Filesize

    64KB

  • memory/4536-191-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

    Filesize

    64KB

  • memory/4536-192-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

    Filesize

    64KB

  • memory/4536-190-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

    Filesize

    64KB

  • memory/4536-194-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

    Filesize

    64KB

  • memory/4536-195-0x00007FFD76230000-0x00007FFD76240000-memory.dmp

    Filesize

    64KB

  • memory/4536-196-0x00007FFD76230000-0x00007FFD76240000-memory.dmp

    Filesize

    64KB

  • memory/4796-129-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/4796-218-0x0000000000400000-0x000000000050D000-memory.dmp

    Filesize

    1.1MB

  • memory/4796-219-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/4796-223-0x0000000000400000-0x000000000050D000-memory.dmp

    Filesize

    1.1MB

  • memory/4796-248-0x0000000000400000-0x000000000050D000-memory.dmp

    Filesize

    1.1MB