Analysis

  • max time kernel
    111s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 11:03

General

  • Target

    d3c8798b57a02aa5370b98e0179a3ee3790002e96b64fe5f9b9d6a4e3e537c61N.exe

  • Size

    1.2MB

  • MD5

    4f2413b765036fcc61fbda99175c1f80

  • SHA1

    a4cc42f91cd65a6b932c21c2d6a2583b0bad8e70

  • SHA256

    d3c8798b57a02aa5370b98e0179a3ee3790002e96b64fe5f9b9d6a4e3e537c61

  • SHA512

    87060f128d73eca6db5bdcd6e6d8cce311fa05ca35357a039047cfa92edfced2b090ef9df16f18212a0c9a7b62cc6b57a16bde48dafdbf3364b22b0c59162469

  • SSDEEP

    12288:7MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9APoBhY8QyIE63j:7nsJ39LyjbJkQFMhmC+6GD9HY9JBz

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).

  • Program crash 2 IoCs
  • 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.

  • Modifies registry class 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3c8798b57a02aa5370b98e0179a3ee3790002e96b64fe5f9b9d6a4e3e537c61N.exe
    "C:\Users\Admin\AppData\Local\Temp\d3c8798b57a02aa5370b98e0179a3ee3790002e96b64fe5f9b9d6a4e3e537c61N.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:4088
    • C:\Users\Admin\AppData\Local\Temp\._cache_d3c8798b57a02aa5370b98e0179a3ee3790002e96b64fe5f9b9d6a4e3e537c61N.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_d3c8798b57a02aa5370b98e0179a3ee3790002e96b64fe5f9b9d6a4e3e537c61N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4264
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4264 -s 1052
        3⤵
        • Program crash
        PID:2016
    • 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:4576
      • 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:4852
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 1048
          4⤵
          • Program crash
          PID:1872
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4264 -ip 4264
    1⤵
      PID:3916
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4852 -ip 4852
      1⤵
        PID:1128

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Synaptics\Synaptics.exe

        Filesize

        1.2MB

        MD5

        4f2413b765036fcc61fbda99175c1f80

        SHA1

        a4cc42f91cd65a6b932c21c2d6a2583b0bad8e70

        SHA256

        d3c8798b57a02aa5370b98e0179a3ee3790002e96b64fe5f9b9d6a4e3e537c61

        SHA512

        87060f128d73eca6db5bdcd6e6d8cce311fa05ca35357a039047cfa92edfced2b090ef9df16f18212a0c9a7b62cc6b57a16bde48dafdbf3364b22b0c59162469

      • C:\Users\Admin\AppData\Local\Temp\._cache_d3c8798b57a02aa5370b98e0179a3ee3790002e96b64fe5f9b9d6a4e3e537c61N.exe

        Filesize

        443KB

        MD5

        40918b19a89cc4dcf6ec03c7f07ccd35

        SHA1

        26ec973875e0a5b4d4bb0b3eef70a701f3b86c70

        SHA256

        f723a08340dd51b9264b6dd4b9105634b4537428bc86e1efd93af768501dd66b

        SHA512

        ce5dbdeb674cf3daabaab3779ec749f7114177dc251e79aafaee4bc46b33b453355ee2b02dc146b93b22693540da104bcb256fe4512b8933c5f8774a34f9f31b

      • memory/4088-129-0x0000000000400000-0x0000000000531000-memory.dmp

        Filesize

        1.2MB

      • memory/4088-0-0x00000000006F0000-0x00000000006F1000-memory.dmp

        Filesize

        4KB

      • memory/4264-131-0x0000000000A30000-0x0000000000AA4000-memory.dmp

        Filesize

        464KB

      • memory/4264-118-0x000000007306E000-0x000000007306F000-memory.dmp

        Filesize

        4KB

      • memory/4264-134-0x0000000005B20000-0x00000000060C4000-memory.dmp

        Filesize

        5.6MB

      • memory/4264-141-0x0000000005570000-0x0000000005602000-memory.dmp

        Filesize

        584KB

      • memory/4264-184-0x0000000002F10000-0x0000000002F20000-memory.dmp

        Filesize

        64KB

      • memory/4264-185-0x00000000054B0000-0x00000000054BA000-memory.dmp

        Filesize

        40KB

      • memory/4576-130-0x00000000006F0000-0x00000000006F1000-memory.dmp

        Filesize

        4KB

      • memory/4576-196-0x00000000006F0000-0x00000000006F1000-memory.dmp

        Filesize

        4KB

      • memory/4576-197-0x0000000000400000-0x0000000000531000-memory.dmp

        Filesize

        1.2MB

      • memory/4576-222-0x0000000000400000-0x0000000000531000-memory.dmp

        Filesize

        1.2MB