Analysis

  • max time kernel
    112s
  • 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
    22-11-2024 23:53

General

  • Target

    b297ee387eb00461fa5f639df99b45c94595582f9ec9b096d3a53e148b0195cf.exe

  • Size

    765KB

  • MD5

    a3fcf778265743f05cda77a634f3daed

  • SHA1

    db8bc03c336e48148d0fccc8b925d954d881036c

  • SHA256

    b297ee387eb00461fa5f639df99b45c94595582f9ec9b096d3a53e148b0195cf

  • SHA512

    a92b638563f4a4c9f02b4d9a525a0682ef96f2d5916cc06078ec2195c50d3855198440db24838adc2ad6316ad7159c50bf88616272ee103c67ae9305306800f9

  • SSDEEP

    12288:WMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9m1KE+VIl4PZ:WnsJ39LyjbJkQFMhmC+6GD9GKE+VIl4h

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 2 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 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b297ee387eb00461fa5f639df99b45c94595582f9ec9b096d3a53e148b0195cf.exe
    "C:\Users\Admin\AppData\Local\Temp\b297ee387eb00461fa5f639df99b45c94595582f9ec9b096d3a53e148b0195cf.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:4724
    • C:\Users\Admin\AppData\Local\Temp\._cache_b297ee387eb00461fa5f639df99b45c94595582f9ec9b096d3a53e148b0195cf.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_b297ee387eb00461fa5f639df99b45c94595582f9ec9b096d3a53e148b0195cf.exe"
      2⤵
      • Executes dropped EXE
      PID:2500
    • 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:4000
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        PID:3020
  • 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:1960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    765KB

    MD5

    a3fcf778265743f05cda77a634f3daed

    SHA1

    db8bc03c336e48148d0fccc8b925d954d881036c

    SHA256

    b297ee387eb00461fa5f639df99b45c94595582f9ec9b096d3a53e148b0195cf

    SHA512

    a92b638563f4a4c9f02b4d9a525a0682ef96f2d5916cc06078ec2195c50d3855198440db24838adc2ad6316ad7159c50bf88616272ee103c67ae9305306800f9

  • C:\Users\Admin\AppData\Local\Temp\._cache_b297ee387eb00461fa5f639df99b45c94595582f9ec9b096d3a53e148b0195cf.exe

    Filesize

    12KB

    MD5

    a4cde91d4fa8f459306ed07b5349eed5

    SHA1

    094eb0f807647e51ebc740f16b546be4a36e964e

    SHA256

    ebc4263dea5a956e25c40b586d13fead65e55f209af0ff484faf909f4cdc621d

    SHA512

    618d2aedc9dd3ab6d12e09f638c3f401ce877de5d17ffd09acf04cbba140b6a2fe571ae561e7933d54fc6bbbf79109648b6cc52bf5e4c581449c0736ca44588a

  • C:\Users\Admin\AppData\Local\Temp\A4A75E00

    Filesize

    21KB

    MD5

    143e5dd412f7d537954950dfbc7ef38a

    SHA1

    b6066d1dc4ae2d301b12251b375778f669fde71f

    SHA256

    718f894ae8c6eee2eeef2aa88450789b8bdc5b1bdb5c0fa99478313dc644b290

    SHA512

    52cd58df5b2c4c541554f37477aa34445a2803ffe2e3db29cb2e31a9e4b4777494f69b53fc7ff44d48d8caee15b229e1cdeedde2b406354035175ba9aeeb31e7

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1960-138-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/1960-134-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/1960-137-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/1960-136-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/1960-135-0x00007FFA5FC70000-0x00007FFA5FC80000-memory.dmp

    Filesize

    64KB

  • memory/1960-139-0x00007FFA5D5A0000-0x00007FFA5D5B0000-memory.dmp

    Filesize

    64KB

  • memory/1960-140-0x00007FFA5D5A0000-0x00007FFA5D5B0000-memory.dmp

    Filesize

    64KB

  • memory/4000-101-0x0000000002200000-0x0000000002201000-memory.dmp

    Filesize

    4KB

  • memory/4000-187-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/4000-188-0x0000000002200000-0x0000000002201000-memory.dmp

    Filesize

    4KB

  • memory/4000-219-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/4724-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

    Filesize

    4KB

  • memory/4724-100-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB