Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/02/2025, 05:46

General

  • Target

    bf5af2ea08413353edb66afbcdbf2cd4b99ac148c9360b784895a9e9bbc44cdd.exe

  • Size

    959KB

  • MD5

    666988e7b77645d3bb336ac1172a0f68

  • SHA1

    57b059a71dcc830ae9321f45df49553905673b81

  • SHA256

    bf5af2ea08413353edb66afbcdbf2cd4b99ac148c9360b784895a9e9bbc44cdd

  • SHA512

    6f07956b4427ad30f309ea839c05238ff0ef6a0b42bbc6015b28b94b57b8abcd8d76f126139127ade1f9ccf312060034b2bdeecf1290bf48c01b1c88caef6262

  • SSDEEP

    12288:6MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V94Ht6WvPOglY:6nsJ39LyjbJkQFMhmC+6GD9aJf2

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 2 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\bf5af2ea08413353edb66afbcdbf2cd4b99ac148c9360b784895a9e9bbc44cdd.exe
    "C:\Users\Admin\AppData\Local\Temp\bf5af2ea08413353edb66afbcdbf2cd4b99ac148c9360b784895a9e9bbc44cdd.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:4356
    • C:\Users\Admin\AppData\Local\Temp\._cache_bf5af2ea08413353edb66afbcdbf2cd4b99ac148c9360b784895a9e9bbc44cdd.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_bf5af2ea08413353edb66afbcdbf2cd4b99ac148c9360b784895a9e9bbc44cdd.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2196
    • 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:368
      • 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:3724
  • 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:3620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    959KB

    MD5

    666988e7b77645d3bb336ac1172a0f68

    SHA1

    57b059a71dcc830ae9321f45df49553905673b81

    SHA256

    bf5af2ea08413353edb66afbcdbf2cd4b99ac148c9360b784895a9e9bbc44cdd

    SHA512

    6f07956b4427ad30f309ea839c05238ff0ef6a0b42bbc6015b28b94b57b8abcd8d76f126139127ade1f9ccf312060034b2bdeecf1290bf48c01b1c88caef6262

  • C:\Users\Admin\AppData\Local\Temp\._cache_bf5af2ea08413353edb66afbcdbf2cd4b99ac148c9360b784895a9e9bbc44cdd.exe

    Filesize

    19KB

    MD5

    192844353c18553b86802d1d322ff1b9

    SHA1

    092ea958b0d310ceb1546a5dea6be5b11050aa88

    SHA256

    383723e34309e9c87d6be606578a1c5bbb1f2fbaee94ba15eb874fb13e671b2b

    SHA512

    dd4dbe2833b0152c9728575e25f6da8d14eb6e9baa3e7eabcdbd4829ad72dbda05638cb0983fe0634539b6c9ddd6f674d5fd255e792435458bcfd9b25f34ef3c

  • C:\Users\Admin\AppData\Local\Temp\D1385E00

    Filesize

    24KB

    MD5

    af723bb0337b526b3bb503bf538e41b5

    SHA1

    b048b7af2a780a03508400ebb1e77482287cd667

    SHA256

    db063be14a3b0c036a0ac7bb5e969f92322d27c22c0001f919a8520cb0bf25f7

    SHA512

    fbb3ba03d8c9af2d1ba66dee394b8f95e02971cd0909e23377acb55e8d51da40ff243e7f57a526211c0eb049502db9bab2496838dc5ff1dae0ecf9364bcd5066

  • C:\Users\Admin\AppData\Local\Temp\IVqkwm1B.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/368-224-0x0000000000400000-0x00000000004F6000-memory.dmp

    Filesize

    984KB

  • memory/368-102-0x0000000002040000-0x0000000002041000-memory.dmp

    Filesize

    4KB

  • memory/368-137-0x0000000002040000-0x0000000002041000-memory.dmp

    Filesize

    4KB

  • memory/368-136-0x0000000000400000-0x00000000004F6000-memory.dmp

    Filesize

    984KB

  • memory/368-196-0x0000000000400000-0x00000000004F6000-memory.dmp

    Filesize

    984KB

  • memory/3620-142-0x00007FF979A90000-0x00007FF979AA0000-memory.dmp

    Filesize

    64KB

  • memory/3620-143-0x00007FF979A90000-0x00007FF979AA0000-memory.dmp

    Filesize

    64KB

  • memory/3620-144-0x00007FF979A90000-0x00007FF979AA0000-memory.dmp

    Filesize

    64KB

  • memory/3620-145-0x00007FF977130000-0x00007FF977140000-memory.dmp

    Filesize

    64KB

  • memory/3620-146-0x00007FF977130000-0x00007FF977140000-memory.dmp

    Filesize

    64KB

  • memory/3620-141-0x00007FF979A90000-0x00007FF979AA0000-memory.dmp

    Filesize

    64KB

  • memory/3620-140-0x00007FF979A90000-0x00007FF979AA0000-memory.dmp

    Filesize

    64KB

  • memory/4356-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

    Filesize

    4KB

  • memory/4356-101-0x0000000000400000-0x00000000004F6000-memory.dmp

    Filesize

    984KB