Resubmissions

29-11-2024 09:10

241129-k5gmysslgp 10

30-12-2023 14:28

231230-rs5mkshbek 7

Analysis

  • max time kernel
    2s
  • max time network
    32s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 09:10

General

  • Target

    1b6cece5f8a8a9e1d4478116bd7dd5aa.exe

  • Size

    4.0MB

  • MD5

    1b6cece5f8a8a9e1d4478116bd7dd5aa

  • SHA1

    e7e834d4097010f9c67d56fd6b9299a6bf198174

  • SHA256

    dbc19471ecdeb4ba023f2d145858e2bfe18a17af68065a035738637304af681a

  • SHA512

    4377d5b2e15d39158cc9ab555ce826c1943dfe9b35e569d3b566d6dc83f7b87f743ee248d691817dfe020e265ab829b6e85cca1aba798b460d78af90bdf378de

  • SSDEEP

    98304:2nsmtk2aqk02VdBXD0NYTzjv9UzvassGeR6B6q24Ro7:oLNk02Vd6YrOLbTeR6BLm7

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 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b6cece5f8a8a9e1d4478116bd7dd5aa.exe
    "C:\Users\Admin\AppData\Local\Temp\1b6cece5f8a8a9e1d4478116bd7dd5aa.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:4796
    • C:\Users\Admin\AppData\Local\Temp\._cache_1b6cece5f8a8a9e1d4478116bd7dd5aa.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_1b6cece5f8a8a9e1d4478116bd7dd5aa.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2108
    • 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
      PID:2260
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
          PID:4780
    • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
      1⤵
        PID:3412

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Synaptics\Synaptics.exe

        Filesize

        4.0MB

        MD5

        1b6cece5f8a8a9e1d4478116bd7dd5aa

        SHA1

        e7e834d4097010f9c67d56fd6b9299a6bf198174

        SHA256

        dbc19471ecdeb4ba023f2d145858e2bfe18a17af68065a035738637304af681a

        SHA512

        4377d5b2e15d39158cc9ab555ce826c1943dfe9b35e569d3b566d6dc83f7b87f743ee248d691817dfe020e265ab829b6e85cca1aba798b460d78af90bdf378de

      • C:\Users\Admin\AppData\Local\Temp\._cache_1b6cece5f8a8a9e1d4478116bd7dd5aa.exe

        Filesize

        3.3MB

        MD5

        6dd2033d8b555023c7bf1e0e67e89899

        SHA1

        f435ff19418964a7e279ee9c7992e0ae98f12085

        SHA256

        095d6b8102f8268117adb281f10efced652a0b42236419271ce375dd3b4f8c25

        SHA512

        ee5a677ffeed4477987fe0916456b071cd8e31684f8256dc05bdad4c7e2e7f4801d5be34f9ac13115ab1d7164f91efe9bf62573f5f0d2d800e19ec4ef008d3bf

      • C:\Users\Admin\AppData\Local\Temp\2CC75E00

        Filesize

        21KB

        MD5

        54acaa7d831140f8934b9e53fdbaa0c0

        SHA1

        e6af209b5bf1e37a7f86be195d23ec0cd89952e0

        SHA256

        a4be51f71e8f00d6ddbc30f01110e215deb298c989935db88ccddd2d32cf0eda

        SHA512

        73c7546fd8c682d711b69a673fcd231c790b68b07c9998f37521423a6f2104a68b0e9d3ba455f949440dc9413586daadebd8e5ae80009837f9a3e00e77638eff

      • C:\Users\Admin\AppData\Local\Temp\RN5RB3rQ.xlsm

        Filesize

        17KB

        MD5

        e566fc53051035e1e6fd0ed1823de0f9

        SHA1

        00bc96c48b98676ecd67e81a6f1d7754e4156044

        SHA256

        8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

        SHA512

        a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

      • memory/2108-128-0x0000000000400000-0x0000000001E0C000-memory.dmp

        Filesize

        26.0MB

      • memory/2108-261-0x0000000000400000-0x0000000001E0C000-memory.dmp

        Filesize

        26.0MB

      • memory/2108-221-0x0000000000400000-0x0000000001E0C000-memory.dmp

        Filesize

        26.0MB

      • memory/2108-219-0x0000000000400000-0x0000000001E0C000-memory.dmp

        Filesize

        26.0MB

      • memory/2260-262-0x0000000000400000-0x000000000080F000-memory.dmp

        Filesize

        4.1MB

      • memory/2260-220-0x0000000000400000-0x000000000080F000-memory.dmp

        Filesize

        4.1MB

      • memory/3412-192-0x00007FFE368B0000-0x00007FFE368C0000-memory.dmp

        Filesize

        64KB

      • memory/3412-196-0x00007FFE34000000-0x00007FFE34010000-memory.dmp

        Filesize

        64KB

      • memory/3412-195-0x00007FFE34000000-0x00007FFE34010000-memory.dmp

        Filesize

        64KB

      • memory/3412-190-0x00007FFE368B0000-0x00007FFE368C0000-memory.dmp

        Filesize

        64KB

      • memory/3412-194-0x00007FFE368B0000-0x00007FFE368C0000-memory.dmp

        Filesize

        64KB

      • memory/3412-191-0x00007FFE368B0000-0x00007FFE368C0000-memory.dmp

        Filesize

        64KB

      • memory/3412-193-0x00007FFE368B0000-0x00007FFE368C0000-memory.dmp

        Filesize

        64KB

      • memory/4780-222-0x0000000000400000-0x0000000001E0C000-memory.dmp

        Filesize

        26.0MB

      • memory/4780-250-0x0000000000400000-0x0000000001E0C000-memory.dmp

        Filesize

        26.0MB

      • memory/4780-255-0x0000000000400000-0x0000000001E0C000-memory.dmp

        Filesize

        26.0MB

      • memory/4796-0-0x00000000025A0000-0x00000000025A1000-memory.dmp

        Filesize

        4KB

      • memory/4796-129-0x0000000000400000-0x000000000080F000-memory.dmp

        Filesize

        4.1MB