Analysis

  • max time kernel
    111s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2025 12:55

General

  • Target

    b3f80a73013fb8e1ecf3aad0023ef23d0628f59cfa1f5e0fa807efbd05861699.exe

  • Size

    756KB

  • MD5

    0bbc7e44176167427c43830894444e3d

  • SHA1

    894c2a253c02928831887149bbb9fffb58b6c69a

  • SHA256

    b3f80a73013fb8e1ecf3aad0023ef23d0628f59cfa1f5e0fa807efbd05861699

  • SHA512

    7e93bb71ce41f101943cc1fd6dfee41f261dc197279ba0fbec1a0364c6c0cf2e51c180aa2080f75bb738d0626f0723516613f4e2c5c13081e0cc1a6ae52d00d7

  • SSDEEP

    12288:NMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V98g0p:NnsJ39LyjbJkQFMhmC+6GD9lo

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 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3f80a73013fb8e1ecf3aad0023ef23d0628f59cfa1f5e0fa807efbd05861699.exe
    "C:\Users\Admin\AppData\Local\Temp\b3f80a73013fb8e1ecf3aad0023ef23d0628f59cfa1f5e0fa807efbd05861699.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:2156
    • C:\Users\Admin\AppData\Local\Temp\._cache_b3f80a73013fb8e1ecf3aad0023ef23d0628f59cfa1f5e0fa807efbd05861699.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_b3f80a73013fb8e1ecf3aad0023ef23d0628f59cfa1f5e0fa807efbd05861699.exe"
      2⤵
      • Executes dropped EXE
      PID:4068
    • 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:2132
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        PID:1604
  • 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:1616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    756KB

    MD5

    0bbc7e44176167427c43830894444e3d

    SHA1

    894c2a253c02928831887149bbb9fffb58b6c69a

    SHA256

    b3f80a73013fb8e1ecf3aad0023ef23d0628f59cfa1f5e0fa807efbd05861699

    SHA512

    7e93bb71ce41f101943cc1fd6dfee41f261dc197279ba0fbec1a0364c6c0cf2e51c180aa2080f75bb738d0626f0723516613f4e2c5c13081e0cc1a6ae52d00d7

  • C:\Users\Admin\AppData\Local\Temp\._cache_b3f80a73013fb8e1ecf3aad0023ef23d0628f59cfa1f5e0fa807efbd05861699.exe

    Filesize

    5KB

    MD5

    2820ec99c7ed6d29f68e08381fc65fa6

    SHA1

    8c0d1d9942425b4ca511cafd4b510779e1f86fd5

    SHA256

    d2865ffd831dd4cec42b6c8f54e437512b38edaf1d5c75e8b4a80b82d3c3f906

    SHA512

    cab7a52416d4336ea8fa6ee5f6d65b579c4c383dc1754e17c9a79468098c9189d3c55f7cef9d0e225449746568c5249c93ef8205d62a095978252db294315cb4

  • C:\Users\Admin\AppData\Local\Temp\F7E75E00

    Filesize

    22KB

    MD5

    a74c097de82905bd3a821f309432707e

    SHA1

    62046713cca4d0f012305021940cd1759a91d4c6

    SHA256

    34979d45bf051e83084cae983b024e1de1cb43c6bd65961010e318e888acd406

    SHA512

    3fcba776195794e42d754a430a5a070f763cd2f338107b683c1195a9d00530488000f260a43887c345723d0652980341c966ae6586601772c6cff3182ac4e1fe

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1616-198-0x00007FFDCEA60000-0x00007FFDCEA70000-memory.dmp

    Filesize

    64KB

  • memory/1616-196-0x00007FFDD0BB0000-0x00007FFDD0BC0000-memory.dmp

    Filesize

    64KB

  • memory/1616-199-0x00007FFDCEA60000-0x00007FFDCEA70000-memory.dmp

    Filesize

    64KB

  • memory/1616-192-0x00007FFDD0BB0000-0x00007FFDD0BC0000-memory.dmp

    Filesize

    64KB

  • memory/1616-194-0x00007FFDD0BB0000-0x00007FFDD0BC0000-memory.dmp

    Filesize

    64KB

  • memory/1616-193-0x00007FFDD0BB0000-0x00007FFDD0BC0000-memory.dmp

    Filesize

    64KB

  • memory/1616-195-0x00007FFDD0BB0000-0x00007FFDD0BC0000-memory.dmp

    Filesize

    64KB

  • memory/2132-131-0x0000000002320000-0x0000000002321000-memory.dmp

    Filesize

    4KB

  • memory/2132-247-0x0000000002320000-0x0000000002321000-memory.dmp

    Filesize

    4KB

  • memory/2132-246-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2132-275-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-127-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-0-0x0000000002250000-0x0000000002251000-memory.dmp

    Filesize

    4KB

  • memory/4068-130-0x0000000000090000-0x0000000000098000-memory.dmp

    Filesize

    32KB

  • memory/4068-129-0x00007FFDF2313000-0x00007FFDF2315000-memory.dmp

    Filesize

    8KB