Analysis

  • max time kernel
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • submitted
    07/01/2024, 20:22

General

  • Target
    6116440dc8e7bcd3f1db724cd2dbebf8.exe
  • Size 2.0MB
  • Sample240107-y5jdfadffl
  • SHA256 f996f410dbf1394d344b35d78b0a4482dcc7a2dc00aef946173b6d28bc79f31b
  • MD5 SHA1 SHA512 SSDEEP

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 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 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6116440dc8e7bcd3f1db724cd2dbebf8.exe
    "C:\Users\Admin\AppData\Local\Temp\6116440dc8e7bcd3f1db724cd2dbebf8.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:2424
    • 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:2612
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        PID:2520
    • C:\Users\Admin\AppData\Local\Temp\._cache_6116440dc8e7bcd3f1db724cd2dbebf8.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_6116440dc8e7bcd3f1db724cd2dbebf8.exe"
      2⤵
      • Executes dropped EXE
      PID:4380
  • 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:4680

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Synaptics.exe

        • Path C:\ProgramData\Synaptics\Synaptics.exe
        • Size 2.0MB
        • SHA256 f996f410dbf1394d344b35d78b0a4482dcc7a2dc00aef946173b6d28bc79f31b
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_6116440dc8e7bcd3f1db724cd2dbebf8.exe

        • Path C:\Users\Admin\AppData\Local\Temp\._cache_6116440dc8e7bcd3f1db724cd2dbebf8.exe
        • Size 1.3MB
        • SHA256 51791625054b01802fd5aaa6c4a929827b369dfef7b2891b5f55e0fa61af0c7d
        • MD5 SHA1 SHA512 SSDEEP

        Uc924VeJ.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\Uc924VeJ.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP

        memory/2424-0-0x00000000023A0000-0x00000000023A1000-memory.dmp

        memory/2424-150-0x0000000000400000-0x0000000000605000-memory.dmp

        memory/2520-233-0x0000000001350000-0x0000000001360000-memory.dmp

        memory/2520-239-0x0000000001350000-0x0000000001360000-memory.dmp

        memory/2520-238-0x0000000001350000-0x0000000001360000-memory.dmp

        memory/2520-237-0x0000000001350000-0x0000000001360000-memory.dmp

        memory/2520-236-0x0000000001350000-0x0000000001360000-memory.dmp

        memory/2520-235-0x0000000001350000-0x0000000001360000-memory.dmp

        memory/2612-277-0x0000000000400000-0x0000000000605000-memory.dmp

        memory/2612-307-0x0000000000400000-0x0000000000605000-memory.dmp

        memory/2612-300-0x0000000000400000-0x0000000000605000-memory.dmp

        memory/2612-281-0x0000000002170000-0x0000000002171000-memory.dmp

        memory/2612-151-0x0000000002170000-0x0000000002171000-memory.dmp

        memory/4380-156-0x00000000007E0000-0x00000000007F0000-memory.dmp

        memory/4380-157-0x00000000007E0000-0x00000000007F0000-memory.dmp

        memory/4380-154-0x00000000007E0000-0x00000000007F0000-memory.dmp

        memory/4380-89-0x00000000007E0000-0x00000000007F0000-memory.dmp

        memory/4380-139-0x00000000007E0000-0x00000000007F0000-memory.dmp

        memory/4380-90-0x00000000007E0000-0x00000000007F0000-memory.dmp

        memory/4380-78-0x00000000007E0000-0x00000000007F0000-memory.dmp

        memory/4680-257-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-241-0x00007FFBBDBF0000-0x00007FFBBDC00000-memory.dmp

        memory/4680-254-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-253-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-251-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-250-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-249-0x00007FFBBB8F0000-0x00007FFBBB900000-memory.dmp

        memory/4680-247-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-245-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-243-0x00007FFBBDBF0000-0x00007FFBBDC00000-memory.dmp

        memory/4680-242-0x00007FFBBDBF0000-0x00007FFBBDC00000-memory.dmp

        memory/4680-256-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-240-0x00007FFBBDBF0000-0x00007FFBBDC00000-memory.dmp

        memory/4680-260-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-261-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-262-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-258-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-259-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-255-0x00007FFBBB8F0000-0x00007FFBBB900000-memory.dmp

        memory/4680-252-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-248-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-283-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-246-0x00007FFBFDB70000-0x00007FFBFDD65000-memory.dmp

        memory/4680-244-0x00007FFBBDBF0000-0x00007FFBBDC00000-memory.dmp