Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 10:49

General

  • Target

    2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205N.exe

  • Size

    5.0MB

  • MD5

    a48f1ff8a0fb0f605a31b7f21a7c8540

  • SHA1

    8f52f64159db24c307f8390bd07f3fdc1ecb7462

  • SHA256

    2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205

  • SHA512

    d1220b3510ea08a5cc19e01d45de1d61b4c8c2b104fc3505b38e123d7e7550aa83ba28d75a9e2b59278efaa899747c264e11d1864096a6b0c28c7f7e294d820b

  • SSDEEP

    98304:Pnsmtk2aGkLUHCga1aeKv+NrdW54qbtx/5CPDhGNAzxa8XK6FIPyp:fLqUH/aE6nW54qpxk7hGCwZ6ya

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
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 7 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 9 IoCs

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

  • System Time Discovery 1 TTPs 2 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205N.exe
    "C:\Users\Admin\AppData\Local\Temp\2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\._cache_2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205N.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205N.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1800
      • C:\Users\Admin\AppData\Local\Temp\is-5EGSP.tmp\._cache_2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205N.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-5EGSP.tmp\._cache_2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205N.tmp" /SL5="$A0156,3559565,799744,C:\Users\Admin\AppData\Local\Temp\._cache_2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205N.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2108
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /C dotnet --list-runtimes > "C:\Users\Admin\AppData\Local\Temp\is-Q21N1.tmp\dotnet.txt" 2>&1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Time Discovery
          PID:484
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2788
        • C:\Users\Admin\AppData\Local\Temp\is-39EJ1.tmp\._cache_Synaptics.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-39EJ1.tmp\._cache_Synaptics.tmp" /SL5="$30228,3559565,799744,C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2484
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /C dotnet --list-runtimes > "C:\Users\Admin\AppData\Local\Temp\is-OS1HT.tmp\dotnet.txt" 2>&1
            5⤵
            • System Location Discovery: System Language Discovery
            • System Time Discovery
            PID:1276
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    5.0MB

    MD5

    a48f1ff8a0fb0f605a31b7f21a7c8540

    SHA1

    8f52f64159db24c307f8390bd07f3fdc1ecb7462

    SHA256

    2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205

    SHA512

    d1220b3510ea08a5cc19e01d45de1d61b4c8c2b104fc3505b38e123d7e7550aa83ba28d75a9e2b59278efaa899747c264e11d1864096a6b0c28c7f7e294d820b

  • C:\Users\Admin\AppData\Local\Temp\OHXI2nlJ.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\is-5EGSP.tmp\._cache_2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205N.tmp

    Filesize

    3.0MB

    MD5

    f0ad1df08f394c8ca8db69873abb3ae3

    SHA1

    5d8ce330635abd828f408bef523d4a249798d14e

    SHA256

    24f249cccff2d5ec19df2187767f1c7c6b1171efcc9b40420b643683eaedb9ca

    SHA512

    d7852d631bdecfda8dab7ef86606ad40c5bc0e0344d3f3d7e1658300789251a81a1c36ace9e2a36849dabaf2a676090d1e2fa99831efee3a50048eaa8eb920f9

  • C:\Users\Admin\AppData\Local\Temp\is-OS1HT.tmp\dotnet.txt

    Filesize

    97B

    MD5

    8cd9403da9d12872be063fa9352e1005

    SHA1

    bba18d043d149bb801b63a5850c1b0742b4d7f44

    SHA256

    3f560f9bca24de761e8c1a5496ebb60b5070cd6c607b3a58e91405a0d5c633b3

    SHA512

    2aa99c5f489ffec41f35b470756eaf9f3883efa1d8ad8085f9f8f8194ddf1201fe763af8a2fb3c8be65b8956a326520d0eb60a823353ec64c4c8ed1fd72f4e29

  • \Users\Admin\AppData\Local\Temp\._cache_2b0589ae1fd9ec761d562a5f01d0794a194c5079ec56394d79d0d538058d4205N.exe

    Filesize

    4.2MB

    MD5

    83968d5c91c9632cd0a90f8ca044be70

    SHA1

    3606603762ee75ad42f2b0f168c84cb8ef532494

    SHA256

    fe95201b04461886b9381a243189a26d4150e1a64e61cb74635b681f4d6f99cd

    SHA512

    30c2068df0f60eb6a388b6da58dd61081d578f5e017e4c12bd0f78d2865a12e00073835ae4cb4b12de3e1f97dc5edcc3332c549b4d7ac34dcac2d45a7be4932c

  • memory/1664-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/1664-34-0x0000000000400000-0x00000000008FB000-memory.dmp

    Filesize

    5.0MB

  • memory/1800-72-0x0000000000400000-0x00000000004D0000-memory.dmp

    Filesize

    832KB

  • memory/1800-8-0x0000000000400000-0x00000000004D0000-memory.dmp

    Filesize

    832KB

  • memory/1800-90-0x0000000000400000-0x00000000004D0000-memory.dmp

    Filesize

    832KB

  • memory/1800-20-0x0000000000401000-0x00000000004B7000-memory.dmp

    Filesize

    728KB

  • memory/2108-73-0x0000000000400000-0x000000000070C000-memory.dmp

    Filesize

    3.0MB

  • memory/2108-88-0x0000000000400000-0x000000000070C000-memory.dmp

    Filesize

    3.0MB

  • memory/2168-47-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2484-84-0x0000000000400000-0x000000000070C000-memory.dmp

    Filesize

    3.0MB

  • memory/2484-87-0x0000000000400000-0x000000000070C000-memory.dmp

    Filesize

    3.0MB

  • memory/2720-74-0x0000000000400000-0x00000000008FB000-memory.dmp

    Filesize

    5.0MB

  • memory/2720-93-0x0000000000400000-0x00000000008FB000-memory.dmp

    Filesize

    5.0MB

  • memory/2720-125-0x0000000000400000-0x00000000008FB000-memory.dmp

    Filesize

    5.0MB

  • memory/2788-75-0x0000000000400000-0x00000000004D0000-memory.dmp

    Filesize

    832KB

  • memory/2788-92-0x0000000000400000-0x00000000004D0000-memory.dmp

    Filesize

    832KB

  • memory/2788-44-0x0000000000400000-0x00000000004D0000-memory.dmp

    Filesize

    832KB