Analysis
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max time kernel
141s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
03/03/2025, 02:51
Static task
static1
Behavioral task
behavioral1
Sample
2025.scr.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2025.scr.exe
Resource
win10v2004-20250217-en
General
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Target
2025.scr.exe
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Size
211KB
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MD5
c104dce7ac77b6154e5235e8bf0ecd19
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SHA1
64d2165f1ecb6c68358592c65e29caf68937386a
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SHA256
e41b8ea141681fb21c0a4bcf6af20529249e1637a3af9f46a68899e8e39f1b86
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SHA512
249d4f5e8c3475a9bb4a735eca8c47c8758470645a43ebaf3899c2f30d2c79a293064ee563dfe7c3a54d3c24daaa28128cd9df10a6b74bd1b9cf562e388be744
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SSDEEP
3072:dRsxM0KfuUfBbG6996HM0XU+aDe5UEGJSKz7ccRJMM3Ojl5My3LSEA0QchHnNt4f:dOzSG6hn+aCyIK3ccnMxjRA0Qchtivn
Malware Config
Signatures
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Gh0st RAT payload 3 IoCs
resource yara_rule behavioral2/memory/3172-40-0x0000000010000000-0x0000000010009000-memory.dmp family_gh0strat behavioral2/memory/3172-48-0x0000000000400000-0x0000000000473000-memory.dmp family_gh0strat behavioral2/memory/5108-55-0x0000000000400000-0x0000000000473000-memory.dmp family_gh0strat -
Gh0strat 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-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\International\Geo\Nation 2025.scr.exe -
Executes dropped EXE 1 IoCs
pid Process 5108 smsss.scr -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rsbuur ignvnntd = "C:\\Program Files (x86)\\smsss.scr" 2025.scr.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\smsss.scr 2025.scr.exe File opened for modification C:\Program Files (x86)\smsss.scr 2025.scr.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 3 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language smsss.scr -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key 2025.scr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ 2025.scr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" 2025.scr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key smsss.scr Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ smsss.scr Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" smsss.scr -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3172 2025.scr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3172 wrote to memory of 5108 3172 2025.scr.exe 94 PID 3172 wrote to memory of 5108 3172 2025.scr.exe 94 PID 3172 wrote to memory of 5108 3172 2025.scr.exe 94 PID 3172 wrote to memory of 2960 3172 2025.scr.exe 95 PID 3172 wrote to memory of 2960 3172 2025.scr.exe 95 PID 3172 wrote to memory of 2960 3172 2025.scr.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\2025.scr.exe"C:\Users\Admin\AppData\Local\Temp\2025.scr.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Program Files (x86)\smsss.scr"C:\Program Files (x86)\smsss.scr" /S2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:5108
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2025SC~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
PID:2960
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
211KB
MD5c104dce7ac77b6154e5235e8bf0ecd19
SHA164d2165f1ecb6c68358592c65e29caf68937386a
SHA256e41b8ea141681fb21c0a4bcf6af20529249e1637a3af9f46a68899e8e39f1b86
SHA512249d4f5e8c3475a9bb4a735eca8c47c8758470645a43ebaf3899c2f30d2c79a293064ee563dfe7c3a54d3c24daaa28128cd9df10a6b74bd1b9cf562e388be744