Analysis
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max time kernel
11s -
max time network
16s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
07-11-2024 01:47
Behavioral task
behavioral1
Sample
ratt.exe
Resource
win10ltsc2021-20241023-en
General
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Target
ratt.exe
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Size
753KB
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MD5
b753207b14c635f29b2abf64f603570a
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SHA1
8a40e828224f22361b09494a556a20db82fc97b9
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SHA256
7f16106f3354a65fc749737905b77df7bbefa28bf8bbc966dc1f8c53fa4660f2
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SHA512
0dd32803b95d53badd33c0c84df1002451090ff5f74736680e3a53a0bfc0e723eee7d795626bc10a1fb431de7e6e276c5a66349ef385a8b92b48425b0bdd036f
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SSDEEP
12288:aMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9IFr:ansJ39LyjbJkQFMhmC+6GD92
Malware Config
Extracted
xred
xred.mooo.com
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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
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Xred family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-87863914-780023816-688321450-1000\Control Panel\International\Geo\Nation ratt.exe -
Executes dropped EXE 1 IoCs
pid Process 4100 Synaptics.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe" ratt.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ratt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Synaptics.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ ratt.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2360 wrote to memory of 4100 2360 ratt.exe 83 PID 2360 wrote to memory of 4100 2360 ratt.exe 83 PID 2360 wrote to memory of 4100 2360 ratt.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\ratt.exe"C:\Users\Admin\AppData\Local\Temp\ratt.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:2360 -
C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4100
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding1⤵PID:3716
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
753KB
MD5b753207b14c635f29b2abf64f603570a
SHA18a40e828224f22361b09494a556a20db82fc97b9
SHA2567f16106f3354a65fc749737905b77df7bbefa28bf8bbc966dc1f8c53fa4660f2
SHA5120dd32803b95d53badd33c0c84df1002451090ff5f74736680e3a53a0bfc0e723eee7d795626bc10a1fb431de7e6e276c5a66349ef385a8b92b48425b0bdd036f
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Filesize
17KB
MD5e566fc53051035e1e6fd0ed1823de0f9
SHA100bc96c48b98676ecd67e81a6f1d7754e4156044
SHA2568e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
SHA512a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04