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Analysis

  • max time kernel
    141s
  • max time network
    149s
  • 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, 18:37

General

  • Target

    Microsoft.exe

  • Size

    759KB

  • MD5

    a0faa0a41f33e6a28ffe564c5b256bd2

  • SHA1

    9fa6b3d29ddd4034b1ec05a44b97941f0ae2ec34

  • SHA256

    22d71939ba6e7ed1949625c1ba4e8a40b1bf96c222445a94fd2a94bcb26cffb8

  • SHA512

    488ae540fa69204dd51ffea778619dbee42079d4768521c26e9d56aa089dbf4fbcbadc5682f41557efb21f536085aae64c0a265df3cce46aacebb55a26bf5165

  • SSDEEP

    12288:WMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9e5j:WnsJ39LyjbJkQFMhmC+6GD90

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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Microsoft.exe
    "C:\Users\Admin\AppData\Local\Temp\Microsoft.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:3176
    • C:\Users\Admin\AppData\Local\Temp\._cache_Microsoft.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Microsoft.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:740
    • 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:2064
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:412
  • 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:4284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    759KB

    MD5

    a0faa0a41f33e6a28ffe564c5b256bd2

    SHA1

    9fa6b3d29ddd4034b1ec05a44b97941f0ae2ec34

    SHA256

    22d71939ba6e7ed1949625c1ba4e8a40b1bf96c222445a94fd2a94bcb26cffb8

    SHA512

    488ae540fa69204dd51ffea778619dbee42079d4768521c26e9d56aa089dbf4fbcbadc5682f41557efb21f536085aae64c0a265df3cce46aacebb55a26bf5165

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

    Filesize

    6KB

    MD5

    787207be9e9f2c773938e8f3c41f2bff

    SHA1

    8068e6f21c93e75579f9bca066d8fc5cdab79215

    SHA256

    c75dd6e6cf5dffcadf61c436971a97e5a768b90a2674b11c548f2975bc9c8529

    SHA512

    88eb905188432c21b149004a3407f002a9b48c8be8e4b8767987e9c0ab90e773ea7e06a355cf035dc2a574c8c95378496a180f43eb31d57e50cc978866d54a02

  • C:\Users\Admin\AppData\Local\Temp\D7D75E00

    Filesize

    20KB

    MD5

    4a12ccab8e8028845929d380de3482e7

    SHA1

    b0b7eb2a0d3bb927428728f68c9a27a904ea44b0

    SHA256

    26962b6d28f7c825e4144d4abdfb34523c4b653c57be12ce14495aacd7f83ba5

    SHA512

    c8b1c43395f16129b698cd694204117f50b2bfd4a57ba6f45874e0dfe89db9a1f5aba4118d17d00428c74c2880e0d62e9f8f55d7c9ebcb7a472d7a91c61625ea

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/740-70-0x00007FFC9B6D3000-0x00007FFC9B6D5000-memory.dmp

    Filesize

    8KB

  • memory/740-71-0x0000027246440000-0x0000027246448000-memory.dmp

    Filesize

    32KB

  • memory/2064-272-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/2064-244-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/3176-129-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/3176-0-0x0000000002250000-0x0000000002251000-memory.dmp

    Filesize

    4KB

  • memory/4284-192-0x00007FFC79B50000-0x00007FFC79B60000-memory.dmp

    Filesize

    64KB

  • memory/4284-196-0x00007FFC77480000-0x00007FFC77490000-memory.dmp

    Filesize

    64KB

  • memory/4284-197-0x00007FFC77480000-0x00007FFC77490000-memory.dmp

    Filesize

    64KB

  • memory/4284-195-0x00007FFC79B50000-0x00007FFC79B60000-memory.dmp

    Filesize

    64KB

  • memory/4284-194-0x00007FFC79B50000-0x00007FFC79B60000-memory.dmp

    Filesize

    64KB

  • memory/4284-193-0x00007FFC79B50000-0x00007FFC79B60000-memory.dmp

    Filesize

    64KB

  • memory/4284-191-0x00007FFC79B50000-0x00007FFC79B60000-memory.dmp

    Filesize

    64KB