Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2024 20:43

General

  • Target

    Bootstrapper.exe

  • Size

    1.5MB

  • MD5

    d4a03084464e8fc23beea44ad84d065f

  • SHA1

    9db22b5630e09a42898ef2da5df0a745886bc912

  • SHA256

    5154019f133eb1d0673898bd2751222c5c540f0575b40e22ae24be1e5dd03d6b

  • SHA512

    ee9e0d4c32443e4bed9da30d07812270c96b2e54a8c1e1bfffbcf746617c9366dcc87ec9004da3d6d5fac94a864ccdf890d4b6e65d74610a46f24c6b8d6d0caf

  • SSDEEP

    24576:ynsJ39LyjbJkQFMhmC+6GD9O+ubYHYqRoAQpjFVG0HXqlF4u4:ynsHyjtk2MYC5GDauoAQpjGPl4

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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.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:5064
    • C:\Users\Admin\AppData\Local\Temp\._cache_Bootstrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Bootstrapper.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4288
    • 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:2560
      • 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
        • Suspicious use of AdjustPrivilegeToken
        PID:2616
  • 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:4008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.5MB

    MD5

    d4a03084464e8fc23beea44ad84d065f

    SHA1

    9db22b5630e09a42898ef2da5df0a745886bc912

    SHA256

    5154019f133eb1d0673898bd2751222c5c540f0575b40e22ae24be1e5dd03d6b

    SHA512

    ee9e0d4c32443e4bed9da30d07812270c96b2e54a8c1e1bfffbcf746617c9366dcc87ec9004da3d6d5fac94a864ccdf890d4b6e65d74610a46f24c6b8d6d0caf

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

    Filesize

    797KB

    MD5

    86bf094b70901e55a281e0a0683dd8b3

    SHA1

    24afc916d186facaf7885363bf335e3e5b7d69b9

    SHA256

    2a4255d739e42838d49159d7228952b512a2c8ccb6f4b0c8d35543912130dac6

    SHA512

    2f33349c13f7778869f4e200380acd9c12e41a981a30005ad01aa8c29442d9bfdfb2a76a1b589be1efb2e4a314cbdf92f691a12b0fa487af4160e7d87ff25e56

  • C:\Users\Admin\AppData\Local\Temp\44D75E00

    Filesize

    24KB

    MD5

    7f07f550e00e9b56ecc3b2b4cb2e9e72

    SHA1

    2e475a248a9e079d6a3bef743aa7ef1a04686eb0

    SHA256

    8d7e63c7d6b5a5c4beeac86b2aac5df52d26ff0a327a81eb6897100fcfd29a6e

    SHA512

    a9fa4aa3ece845ad31e024f03b095b5b03966663563aaf137f3a47b27a39a23ea42d324d453c67e54eb18b2d4ff1447217bbe75b6b2d493dc9ad61353a23d5dc

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/2560-279-0x0000000000400000-0x000000000058A000-memory.dmp

    Filesize

    1.5MB

  • memory/2560-130-0x00000000020E0000-0x00000000020E1000-memory.dmp

    Filesize

    4KB

  • memory/2560-248-0x0000000000400000-0x000000000058A000-memory.dmp

    Filesize

    1.5MB

  • memory/2560-247-0x00000000020E0000-0x00000000020E1000-memory.dmp

    Filesize

    4KB

  • memory/4008-195-0x00007FFD6B9B0000-0x00007FFD6B9C0000-memory.dmp

    Filesize

    64KB

  • memory/4008-196-0x00007FFD6B9B0000-0x00007FFD6B9C0000-memory.dmp

    Filesize

    64KB

  • memory/4008-193-0x00007FFD6B9B0000-0x00007FFD6B9C0000-memory.dmp

    Filesize

    64KB

  • memory/4008-192-0x00007FFD6B9B0000-0x00007FFD6B9C0000-memory.dmp

    Filesize

    64KB

  • memory/4008-198-0x00007FFD69840000-0x00007FFD69850000-memory.dmp

    Filesize

    64KB

  • memory/4008-199-0x00007FFD69840000-0x00007FFD69850000-memory.dmp

    Filesize

    64KB

  • memory/4008-194-0x00007FFD6B9B0000-0x00007FFD6B9C0000-memory.dmp

    Filesize

    64KB

  • memory/4288-182-0x00000000052F0000-0x0000000005894000-memory.dmp

    Filesize

    5.6MB

  • memory/4288-181-0x00000000004E0000-0x00000000005AE000-memory.dmp

    Filesize

    824KB

  • memory/4288-246-0x000000007265E000-0x000000007265F000-memory.dmp

    Filesize

    4KB

  • memory/4288-129-0x000000007265E000-0x000000007265F000-memory.dmp

    Filesize

    4KB

  • memory/5064-0-0x0000000002300000-0x0000000002301000-memory.dmp

    Filesize

    4KB

  • memory/5064-128-0x0000000000400000-0x000000000058A000-memory.dmp

    Filesize

    1.5MB