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
    10-11-2024 16:25

General

  • Target

    4b85ff8fc9faf31d351ec6b27d9705b1a10c6a5acf19600b13f75b341d747b0fN.exe

  • Size

    3.8MB

  • MD5

    bfd25669844ff56c2698074c22be7890

  • SHA1

    a7a2f397dae0886840bf1ca671fc6b010f719e18

  • SHA256

    4b85ff8fc9faf31d351ec6b27d9705b1a10c6a5acf19600b13f75b341d747b0f

  • SHA512

    4d2c1a5a54e953028e8a5a82589a289e0a561c4f8cd59ac42510832f70400be85ada17e4dfa311b216785909cb53ef7b6cf93e36982e1d197d33a7788c94af16

  • SSDEEP

    12288:7MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9lQt6WvPOH:7nsJ39LyjbJkQFMhmC+6GD9KJ

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\4b85ff8fc9faf31d351ec6b27d9705b1a10c6a5acf19600b13f75b341d747b0fN.exe
    "C:\Users\Admin\AppData\Local\Temp\4b85ff8fc9faf31d351ec6b27d9705b1a10c6a5acf19600b13f75b341d747b0fN.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:2128
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1764
  • 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:3464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    3.8MB

    MD5

    bfd25669844ff56c2698074c22be7890

    SHA1

    a7a2f397dae0886840bf1ca671fc6b010f719e18

    SHA256

    4b85ff8fc9faf31d351ec6b27d9705b1a10c6a5acf19600b13f75b341d747b0f

    SHA512

    4d2c1a5a54e953028e8a5a82589a289e0a561c4f8cd59ac42510832f70400be85ada17e4dfa311b216785909cb53ef7b6cf93e36982e1d197d33a7788c94af16

  • C:\Users\Admin\AppData\Local\Temp\2EC75E00

    Filesize

    24KB

    MD5

    2b62adc85083816642118ca2093a1e5b

    SHA1

    95257cdb84f47e152dbfa4f109227f5febf01375

    SHA256

    f875bd4f620597948bf193f2db08815f438e134e78027ce9ef0e1d397ba2e8a2

    SHA512

    2ef8890f947cbbf63b478ff7d548bbd72814c75d68219203601f6e184e520ea6b42db1df89885de606371ff7630b236989fa187d0ac8e946f69a76d19cf04758

  • C:\Users\Admin\AppData\Local\Temp\ZhOcb2qq.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1764-65-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

    Filesize

    4KB

  • memory/1764-163-0x0000000000400000-0x00000000007D4000-memory.dmp

    Filesize

    3.8MB

  • memory/1764-132-0x0000000000400000-0x00000000007D4000-memory.dmp

    Filesize

    3.8MB

  • memory/1764-129-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

    Filesize

    4KB

  • memory/2128-0-0x0000000002570000-0x0000000002571000-memory.dmp

    Filesize

    4KB

  • memory/2128-64-0x0000000000400000-0x00000000007D4000-memory.dmp

    Filesize

    3.8MB

  • memory/3464-74-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-80-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-66-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

    Filesize

    64KB

  • memory/3464-68-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

    Filesize

    64KB

  • memory/3464-76-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-77-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-75-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-78-0x00007FF9362D0000-0x00007FF9362E0000-memory.dmp

    Filesize

    64KB

  • memory/3464-79-0x00007FF9362D0000-0x00007FF9362E0000-memory.dmp

    Filesize

    64KB

  • memory/3464-67-0x00007FF978AAD000-0x00007FF978AAE000-memory.dmp

    Filesize

    4KB

  • memory/3464-70-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-72-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

    Filesize

    64KB

  • memory/3464-73-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

    Filesize

    64KB

  • memory/3464-130-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-131-0x00007FF978AAD000-0x00007FF978AAE000-memory.dmp

    Filesize

    4KB

  • memory/3464-133-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-71-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

    Filesize

    2.0MB

  • memory/3464-69-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

    Filesize

    64KB