Analysis

  • max time kernel
    111s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 20:11

General

  • Target

    632f40605c49d2501990f5aeeb27f647e0cb4d9611651cbf6e8ecce4c5c7faffN.exe

  • Size

    2.0MB

  • MD5

    ab3271c964965403a89c2d8c6b548820

  • SHA1

    533eefe402594fe702cadb376d6aabd6a20f8b61

  • SHA256

    632f40605c49d2501990f5aeeb27f647e0cb4d9611651cbf6e8ecce4c5c7faff

  • SHA512

    88e5681d547e095ce03fd05572967f1d282c7c8bc280ecc372b98125602812ab6a1f7d5554975038f805d6d534904997046caeaa1660c5e328b36ddfd746be0f

  • SSDEEP

    49152:1nsHyjtk2MYC5GDCTMDYr8Ar8Ar8Ar88ur84HQ:1nsmtk2ajADYrvrvrvrpurVHQ

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.

  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\632f40605c49d2501990f5aeeb27f647e0cb4d9611651cbf6e8ecce4c5c7faffN.exe
    "C:\Users\Admin\AppData\Local\Temp\632f40605c49d2501990f5aeeb27f647e0cb4d9611651cbf6e8ecce4c5c7faffN.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:2276
    • C:\Users\Admin\AppData\Local\Temp\._cache_632f40605c49d2501990f5aeeb27f647e0cb4d9611651cbf6e8ecce4c5c7faffN.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_632f40605c49d2501990f5aeeb27f647e0cb4d9611651cbf6e8ecce4c5c7faffN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1048
        3⤵
        • Program crash
        PID:4796
    • 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:1980
      • 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:3644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 1048
          4⤵
          • Program crash
          PID:2040
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3940 -ip 3940
    1⤵
      PID:1904
    • 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:4916
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3644 -ip 3644
      1⤵
        PID:2776

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Synaptics\Synaptics.exe

        Filesize

        2.0MB

        MD5

        ab3271c964965403a89c2d8c6b548820

        SHA1

        533eefe402594fe702cadb376d6aabd6a20f8b61

        SHA256

        632f40605c49d2501990f5aeeb27f647e0cb4d9611651cbf6e8ecce4c5c7faff

        SHA512

        88e5681d547e095ce03fd05572967f1d282c7c8bc280ecc372b98125602812ab6a1f7d5554975038f805d6d534904997046caeaa1660c5e328b36ddfd746be0f

      • C:\Users\Admin\AppData\Local\Temp\._cache_632f40605c49d2501990f5aeeb27f647e0cb4d9611651cbf6e8ecce4c5c7faffN.exe

        Filesize

        1.3MB

        MD5

        6c095453256d718e0744e175b028a9fb

        SHA1

        a333051ef1e70c4a5a7279ab500641097b047b0c

        SHA256

        41fbc7a60b7a6e41b8c86d709fd6c140ef4fb7970980c9915987417a012163ec

        SHA512

        104db2952e611f41f624c9f4c972c110991dfbc86a46df76b3eb139f42618b60da9c8d7a39de4e8a7ea7c1695f370306b76ada0683abcdf013c58eb3195e8b79

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

        Filesize

        17KB

        MD5

        e566fc53051035e1e6fd0ed1823de0f9

        SHA1

        00bc96c48b98676ecd67e81a6f1d7754e4156044

        SHA256

        8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

        SHA512

        a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

      • memory/1980-248-0x0000000000400000-0x0000000000611000-memory.dmp

        Filesize

        2.1MB

      • memory/1980-217-0x0000000000400000-0x0000000000611000-memory.dmp

        Filesize

        2.1MB

      • memory/1980-216-0x00000000007E0000-0x00000000007E1000-memory.dmp

        Filesize

        4KB

      • memory/1980-133-0x00000000007E0000-0x00000000007E1000-memory.dmp

        Filesize

        4KB

      • memory/2276-0-0x00000000023C0000-0x00000000023C1000-memory.dmp

        Filesize

        4KB

      • memory/2276-131-0x0000000000400000-0x0000000000611000-memory.dmp

        Filesize

        2.1MB

      • memory/3940-137-0x0000000005010000-0x000000000501A000-memory.dmp

        Filesize

        40KB

      • memory/3940-136-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

        Filesize

        64KB

      • memory/3940-132-0x0000000004E50000-0x0000000004EE2000-memory.dmp

        Filesize

        584KB

      • memory/3940-128-0x00000000054C0000-0x0000000005A64000-memory.dmp

        Filesize

        5.6MB

      • memory/3940-126-0x0000000000460000-0x00000000005B4000-memory.dmp

        Filesize

        1.3MB

      • memory/3940-118-0x00000000723BE000-0x00000000723BF000-memory.dmp

        Filesize

        4KB

      • memory/4916-198-0x00007FFFB8710000-0x00007FFFB8720000-memory.dmp

        Filesize

        64KB

      • memory/4916-197-0x00007FFFB8710000-0x00007FFFB8720000-memory.dmp

        Filesize

        64KB

      • memory/4916-196-0x00007FFFB8710000-0x00007FFFB8720000-memory.dmp

        Filesize

        64KB

      • memory/4916-199-0x00007FFFB8710000-0x00007FFFB8720000-memory.dmp

        Filesize

        64KB

      • memory/4916-200-0x00007FFFB8710000-0x00007FFFB8720000-memory.dmp

        Filesize

        64KB

      • memory/4916-201-0x00007FFFB5E60000-0x00007FFFB5E70000-memory.dmp

        Filesize

        64KB

      • memory/4916-202-0x00007FFFB5E60000-0x00007FFFB5E70000-memory.dmp

        Filesize

        64KB