Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 16:21

General

  • Target

    b9734d1295a14f2cc758a3df119fbed5746fc00a627b7468ed7df43fd999439d.exe

  • Size

    1.7MB

  • MD5

    fb9ba9a25e65f38d212b862459273488

  • SHA1

    7df294ac5aa193295984f346aa0826747a934c43

  • SHA256

    b9734d1295a14f2cc758a3df119fbed5746fc00a627b7468ed7df43fd999439d

  • SHA512

    b0c9d8ea9db2d32ac0a7e37eb6fc4e532a7a369f76feb875dc0aed2444c00d617f050060e5f89c091f16fa8a669ec874a822037588843c1d6e0fa68249a3ad36

  • SSDEEP

    24576:0nsJ39LyjbJkQFMhmC+6GD9FbhllBGViSuEqgJkqgHI+bg63tpOk:0nsHyjtk2MYC5GD9YblvgHfgo

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 17 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\b9734d1295a14f2cc758a3df119fbed5746fc00a627b7468ed7df43fd999439d.exe
    "C:\Users\Admin\AppData\Local\Temp\b9734d1295a14f2cc758a3df119fbed5746fc00a627b7468ed7df43fd999439d.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:816
    • C:\Users\Admin\AppData\Local\Temp\._cache_b9734d1295a14f2cc758a3df119fbed5746fc00a627b7468ed7df43fd999439d.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_b9734d1295a14f2cc758a3df119fbed5746fc00a627b7468ed7df43fd999439d.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:3488
    • 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:3980
      • 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
        • Modifies registry class
        PID:928
  • 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:1224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.7MB

    MD5

    fb9ba9a25e65f38d212b862459273488

    SHA1

    7df294ac5aa193295984f346aa0826747a934c43

    SHA256

    b9734d1295a14f2cc758a3df119fbed5746fc00a627b7468ed7df43fd999439d

    SHA512

    b0c9d8ea9db2d32ac0a7e37eb6fc4e532a7a369f76feb875dc0aed2444c00d617f050060e5f89c091f16fa8a669ec874a822037588843c1d6e0fa68249a3ad36

  • C:\Users\Admin\AppData\Local\Temp\._cache_b9734d1295a14f2cc758a3df119fbed5746fc00a627b7468ed7df43fd999439d.exe

    Filesize

    941KB

    MD5

    8fb6c5998670709c9c8ab3f1560251c4

    SHA1

    51682bfe73eb1f2a08619ac4b87c4b99d9d2da1f

    SHA256

    96de838e2e74b377ab2b74db413891ab862c5bb5549d916452dcb4e99a6a74e3

    SHA512

    4568f8f1688852e6427044bc4594ba28c0953708751fa8f3d43e8617cdd0ec9c9bcfba1be9ec2dd44364de0e1b2714255e4a5855b6aadb9b3a54c2866af4d6e4

  • C:\Users\Admin\AppData\Local\Temp\8YmAKo7I.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\A8C75E00

    Filesize

    26KB

    MD5

    4f5b840b2d14a713b2c55614f233aeb1

    SHA1

    18246188517149728e759dff1119663d94cb42b3

    SHA256

    fc0ac7c29b9280c6a9dc0960bffcb81636ec9f9108508486149f0d7673205931

    SHA512

    d2194b67c3557d0e5175d9c50dffde5300e32b2578dcc211464ded3cfabeb6e3144f78071fce652eea653a9de23feee727a98c68d6b3f8b4a8524a0b6fd06047

  • memory/816-128-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/816-0-0x0000000002320000-0x0000000002321000-memory.dmp

    Filesize

    4KB

  • memory/928-248-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/1224-191-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

  • memory/1224-194-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

  • memory/1224-195-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

  • memory/1224-192-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

  • memory/1224-196-0x00007FFC0A200000-0x00007FFC0A210000-memory.dmp

    Filesize

    64KB

  • memory/1224-197-0x00007FFC0A200000-0x00007FFC0A210000-memory.dmp

    Filesize

    64KB

  • memory/1224-193-0x00007FFC0C470000-0x00007FFC0C480000-memory.dmp

    Filesize

    64KB

  • memory/3488-244-0x00000000006D0000-0x00000000006D1000-memory.dmp

    Filesize

    4KB

  • memory/3488-245-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/3488-70-0x00000000006D0000-0x00000000006D1000-memory.dmp

    Filesize

    4KB

  • memory/3488-295-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/3980-130-0x0000000002220000-0x0000000002221000-memory.dmp

    Filesize

    4KB

  • memory/3980-247-0x0000000002220000-0x0000000002221000-memory.dmp

    Filesize

    4KB

  • memory/3980-246-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/3980-290-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB