Analysis

  • max time kernel
    141s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 22:34

General

  • Target

    FileGrab.exe

  • Size

    802KB

  • MD5

    f4d902e70524666a52182720fe208ab1

  • SHA1

    33774655d0fc10bccd652e95b18fb428dcd80a38

  • SHA256

    6eb643eb56e8fbff11276d23354b6b473bc252464d3ef7b98ec8cbbd57792f8e

  • SHA512

    5bf37506097654f384f12f2d90fc9888f0bb5eaa548033a616ed16cbc90fd7a6483aa1b74f7423925e11f7f826e42d5373ac1c88ab7b049e63e23288ac656d65

  • SSDEEP

    12288:2MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V935lC6FOj:2nsJ39LyjbJkQFMhmC+6GD9q6Fq

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 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 SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FileGrab.exe
    "C:\Users\Admin\AppData\Local\Temp\FileGrab.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:1916
    • C:\Users\Admin\AppData\Local\Temp\._cache_FileGrab.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_FileGrab.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2976
    • 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:4364
      • 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
        PID:4492
  • 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:4108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    802KB

    MD5

    f4d902e70524666a52182720fe208ab1

    SHA1

    33774655d0fc10bccd652e95b18fb428dcd80a38

    SHA256

    6eb643eb56e8fbff11276d23354b6b473bc252464d3ef7b98ec8cbbd57792f8e

    SHA512

    5bf37506097654f384f12f2d90fc9888f0bb5eaa548033a616ed16cbc90fd7a6483aa1b74f7423925e11f7f826e42d5373ac1c88ab7b049e63e23288ac656d65

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

    Filesize

    49KB

    MD5

    27f87ebebb071afec1891e00fd0700a4

    SHA1

    fbfc0a10ecf83da88df02356568bcac2399b3b9d

    SHA256

    11b8cdd387370de1d162516b82376ecf28d321dc8f46ebcce389dccc2a5a4cc9

    SHA512

    5386cae4eef9b767082d1143962851727479295b75321e07927bf7ebd60c5e051aeb78d6fa306ed6ef1c1d0182a16f1132a23263aefe9ed5d9d446b70b43a25d

  • C:\Users\Admin\AppData\Local\Temp\sE4zEY22.xlsm

    Filesize

    23KB

    MD5

    3c16ae828f5f9fc01f226239301fb598

    SHA1

    814fd6561942424d85e213f6119d4fb828a87715

    SHA256

    e85cd3f9e61b018f54ed6f23569cf16f1a25eed2fda57820bbeade5e2389c75c

    SHA512

    a7f191f5b1db5b92e678d2049c16ac697d1a90f15590a8fd12ad7795117543ccc3605c650c84a2b9016fb1033eb28e87b5d299d2a4eb538303deeffa0cf40374

  • C:\Users\Admin\AppData\Local\Temp\sE4zEY22.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1916-131-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/1916-0-0x00000000007C0000-0x00000000007C1000-memory.dmp

    Filesize

    4KB

  • memory/2976-129-0x00000000731F0000-0x00000000737A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2976-130-0x00000000731F0000-0x00000000737A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2976-247-0x00000000731F0000-0x00000000737A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2976-246-0x00000000731F2000-0x00000000731F3000-memory.dmp

    Filesize

    4KB

  • memory/2976-87-0x00000000731F2000-0x00000000731F3000-memory.dmp

    Filesize

    4KB

  • memory/4108-196-0x00007FFFA0550000-0x00007FFFA0560000-memory.dmp

    Filesize

    64KB

  • memory/4108-197-0x00007FFFA0550000-0x00007FFFA0560000-memory.dmp

    Filesize

    64KB

  • memory/4108-198-0x00007FFF9DD30000-0x00007FFF9DD40000-memory.dmp

    Filesize

    64KB

  • memory/4108-199-0x00007FFF9DD30000-0x00007FFF9DD40000-memory.dmp

    Filesize

    64KB

  • memory/4108-193-0x00007FFFA0550000-0x00007FFFA0560000-memory.dmp

    Filesize

    64KB

  • memory/4108-194-0x00007FFFA0550000-0x00007FFFA0560000-memory.dmp

    Filesize

    64KB

  • memory/4108-195-0x00007FFFA0550000-0x00007FFFA0560000-memory.dmp

    Filesize

    64KB

  • memory/4364-132-0x0000000000620000-0x0000000000621000-memory.dmp

    Filesize

    4KB

  • memory/4364-248-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB

  • memory/4364-249-0x0000000000620000-0x0000000000621000-memory.dmp

    Filesize

    4KB

  • memory/4364-280-0x0000000000400000-0x00000000004CF000-memory.dmp

    Filesize

    828KB