Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
02-12-2024 23:41
General
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Target
PDF.exe
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Size
1.6MB
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MD5
f464d4d7c3a16d42be2501b9b069f592
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SHA1
d746cb858983edb93ecdb9b44d65d18c83d5257d
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SHA256
4ea3fd5832635ca12ad822ba1b441fe5e38ea5599d08822057d35248a029cefb
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SHA512
4685c52657f2a30f1ed973fa5f0a6c575a93d184980b4e539f41a9d38d481fe0aa0bd2a99140b9c72fb04982f6ad2b7d522045369c752df856856ccd3749899d
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SSDEEP
24576:MnsJ39LyjbJkQFMhmC+6GD99hloDX0XOf4mSAz+53SDjpLSZi:MnsHyjtk2MYC5GDrhloJfOAz+OpSs
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
Xred is backdoor written in Delphi.
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Xred family
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 1 IoCs
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Executes dropped EXE 5 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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AutoIT Executable 18 IoCs
AutoIT scripts compiled to PE executables.
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UPX packed file 22 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies registry class 2 IoCs
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NTFS ADS 1 IoCs
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of SetWindowsHookEx 8 IoCs
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Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PDF.exe"C:\Users\Admin\AppData\Local\Temp\PDF.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
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C:\Users\Admin\AppData\Local\Temp\._cache_PDF.exe"C:\Users\Admin\AppData\Local\Temp\._cache_PDF.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /create /tn PLKQRZ.exe /tr C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe /sc minute /mo 13⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn PLKQRZ.exe /tr C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe /sc minute /mo 14⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\WSCript.exeWSCript C:\Users\Admin\AppData\Local\Temp\PLKQRZ.vbs3⤵
- System Location Discovery: System Language Discovery
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exeC:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exeC:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.6MB
MD5f464d4d7c3a16d42be2501b9b069f592
SHA1d746cb858983edb93ecdb9b44d65d18c83d5257d
SHA2564ea3fd5832635ca12ad822ba1b441fe5e38ea5599d08822057d35248a029cefb
SHA5124685c52657f2a30f1ed973fa5f0a6c575a93d184980b4e539f41a9d38d481fe0aa0bd2a99140b9c72fb04982f6ad2b7d522045369c752df856856ccd3749899d
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Filesize
924KB
MD5a5a8036e79f55c90cfe42b55df9db6bc
SHA1a2239f8990e86d77673c54f4548a04da10dbc2a8
SHA25615a513aa7ef12e73fc81b81b2b5455423bbef03524efef33047c1d48c5db624d
SHA51289f13d58094ce99fe229edd4f02210cddc590ba0aabc502034f04e3643d5bfc7ed7a1675a0db63be4a94f4bf447efbb2b5cfaffe35fa0b213e816c13828193be
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Filesize
24KB
MD5c5b07b33fa5af0d1a2ce949fe9685dc9
SHA1f67d5b5b0db879ef2682309bfeeee0086ca03fbd
SHA256e26d7791bc7e60bdddd23c3b686d964ef6a7c966acc30f797c270e2cd20f7819
SHA5125ec1f1d808e58d150d5eb3c71d0bb8465c6ee4849a8724d298e7d0e9aa99ae5ee03bac605d30f7fb14b61e5c5a271b59c00739b38ce8311975cc3f219f19d132
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Filesize
17KB
MD5e566fc53051035e1e6fd0ed1823de0f9
SHA100bc96c48b98676ecd67e81a6f1d7754e4156044
SHA2568e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
SHA512a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04
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Filesize
842B
MD5706b2a1027185f7c686601dd89fad82f
SHA1bb7d730e0f6f789454cd3bdc7c45b3463af3159d
SHA256e24ccdc4aa9414c2f2c95662317c0ebf39e4d844ef47c46d5f2b40f810d07dc6
SHA512414a0ef71523138cd55b5aa172b86eb46f9dd1fcdff6496b057191f40930146cdf5dda513e6234eb7e3e63b2dc38882468e60a892a3002139a4f69b4fb3405ea
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Filesize
1.7MB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
4KB
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Filesize
4KB
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Filesize
2.0MB
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Filesize
2.0MB