Analysis

  • max time kernel
    141s
  • max time network
    146s
  • 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 20:44

General

  • Target

    SolaraBootStrapper-main/SolaraBootstrapper.exe

  • Size

    766KB

  • MD5

    d994d58e87f0deda637e325d0a54a347

  • SHA1

    8b72ea95b3569ba1ca12cb7ead4edd6e5694614d

  • SHA256

    6607cc8e27767479f97d55d7f4e8073589836bd5bf832ae951f3b565ab0541e3

  • SHA512

    cc9959f52a5c55644b85a24d203137ad43408014ea63bf453bd2b36b7a1ad9f937f5e2cae45f6c6a5c732a5928d9edf14f00e768a5584e43ca1c70c7cef94ca9

  • SSDEEP

    12288:GMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9i8Oj:GnsJ39LyjbJkQFMhmC+6GD9i

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 behavior: EnumeratesProcesses 4 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\SolaraBootStrapper-main\SolaraBootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\SolaraBootStrapper-main\SolaraBootstrapper.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:3972
    • C:\Users\Admin\AppData\Local\Temp\SolaraBootStrapper-main\._cache_SolaraBootstrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\SolaraBootStrapper-main\._cache_SolaraBootstrapper.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2200
    • 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:232
      • C:\Users\Admin\AppData\Local\Temp\SolaraBootStrapper-main\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\SolaraBootStrapper-main\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3600
  • 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:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    766KB

    MD5

    d994d58e87f0deda637e325d0a54a347

    SHA1

    8b72ea95b3569ba1ca12cb7ead4edd6e5694614d

    SHA256

    6607cc8e27767479f97d55d7f4e8073589836bd5bf832ae951f3b565ab0541e3

    SHA512

    cc9959f52a5c55644b85a24d203137ad43408014ea63bf453bd2b36b7a1ad9f937f5e2cae45f6c6a5c732a5928d9edf14f00e768a5584e43ca1c70c7cef94ca9

  • C:\Users\Admin\AppData\Local\Temp\14B75E00

    Filesize

    21KB

    MD5

    094e52c14e8efbd1d6a028088bd494b5

    SHA1

    86b4de5b55e9b2be12677c19e011e8bdbce91bf5

    SHA256

    7b002373c1d4212656796ff21c2e1d27b93adf3b8e7a55cb7b9a433f7f0597d5

    SHA512

    a6acf4a266ef3c3cc5e4b3e908520e1c133e47c0f74d66b2931c2a13aeb40904b1caa7209e26c9da6719da3d1675605da29fe6db641b37c9c81cf08d303c6f6d

  • C:\Users\Admin\AppData\Local\Temp\7hlOqj7y.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\SolaraBootStrapper-main\._cache_SolaraBootstrapper.exe

    Filesize

    13KB

    MD5

    6557bd5240397f026e675afb78544a26

    SHA1

    839e683bf68703d373b6eac246f19386bb181713

    SHA256

    a7fecfc225dfdd4e14dcd4d1b4ba1b9f8e4d1984f1cdd8cda3a9987e5d53c239

    SHA512

    f2399d34898a4c0c201372d2dd084ee66a66a1c3eae949e568421fe7edada697468ef81f4fcab2afd61eaf97bcb98d6ade2d97295e2f674e93116d142e892e97

  • memory/232-130-0x0000000000630000-0x0000000000631000-memory.dmp

    Filesize

    4KB

  • memory/232-280-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB

  • memory/232-249-0x0000000000630000-0x0000000000631000-memory.dmp

    Filesize

    4KB

  • memory/232-248-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB

  • memory/2200-129-0x0000000072C4E000-0x0000000072C4F000-memory.dmp

    Filesize

    4KB

  • memory/2200-133-0x0000000000D50000-0x0000000000D5A000-memory.dmp

    Filesize

    40KB

  • memory/2200-182-0x0000000005610000-0x000000000561A000-memory.dmp

    Filesize

    40KB

  • memory/2796-196-0x00007FFE9AFF0000-0x00007FFE9B000000-memory.dmp

    Filesize

    64KB

  • memory/2796-197-0x00007FFE9AFF0000-0x00007FFE9B000000-memory.dmp

    Filesize

    64KB

  • memory/2796-198-0x00007FFE98C20000-0x00007FFE98C30000-memory.dmp

    Filesize

    64KB

  • memory/2796-199-0x00007FFE98C20000-0x00007FFE98C30000-memory.dmp

    Filesize

    64KB

  • memory/2796-194-0x00007FFE9AFF0000-0x00007FFE9B000000-memory.dmp

    Filesize

    64KB

  • memory/2796-195-0x00007FFE9AFF0000-0x00007FFE9B000000-memory.dmp

    Filesize

    64KB

  • memory/2796-193-0x00007FFE9AFF0000-0x00007FFE9B000000-memory.dmp

    Filesize

    64KB

  • memory/3972-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

    Filesize

    4KB

  • memory/3972-127-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB