Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-10-2024 22:06
Behavioral task
behavioral1
Sample
9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe
Resource
win10v2004-20241007-en
General
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Target
9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe
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Size
33KB
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MD5
89b59f712fc271a7ea93d447a3cc93c0
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SHA1
44781d6057f7165508fd2127e9bee36622fc1586
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SHA256
9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5
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SHA512
91f08e0a11a44d0085ce2aa7eda8cb556510032ab2c2a61a6834e629dde973271d018add27df0b05f2fd7df0177298711f5caeb8db97d9640e6b93fe1b137ced
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SSDEEP
384:A8aY1ia0N/IH+WUiWiLcXyUTly2Rc87po6ngB8W+tqlf5mRvR6JZlbw8hqIusZzo:F1Re/E+WUiW6ci6NR7tZRpcnuUUFP
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1648 netsh.exe -
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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c20b8e85844937959c801a053d8106ad.exe FbSmartChatBoxr.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c20b8e85844937959c801a053d8106ad.exe FbSmartChatBoxr.exe -
Executes dropped EXE 1 IoCs
pid Process 1140 FbSmartChatBoxr.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c20b8e85844937959c801a053d8106ad = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\FbSmartChatBoxr.exe\" .." FbSmartChatBoxr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c20b8e85844937959c801a053d8106ad = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\FbSmartChatBoxr.exe\" .." FbSmartChatBoxr.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
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 9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FbSmartChatBoxr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe Token: 33 1140 FbSmartChatBoxr.exe Token: SeIncBasePriorityPrivilege 1140 FbSmartChatBoxr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4476 wrote to memory of 1140 4476 9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe 86 PID 4476 wrote to memory of 1140 4476 9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe 86 PID 4476 wrote to memory of 1140 4476 9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe 86 PID 1140 wrote to memory of 1648 1140 FbSmartChatBoxr.exe 87 PID 1140 wrote to memory of 1648 1140 FbSmartChatBoxr.exe 87 PID 1140 wrote to memory of 1648 1140 FbSmartChatBoxr.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe"C:\Users\Admin\AppData\Local\Temp\9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\Users\Admin\AppData\Local\Temp\FbSmartChatBoxr.exe"C:\Users\Admin\AppData\Local\Temp\FbSmartChatBoxr.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1140 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\FbSmartChatBoxr.exe" "FbSmartChatBoxr.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1648
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
33KB
MD589b59f712fc271a7ea93d447a3cc93c0
SHA144781d6057f7165508fd2127e9bee36622fc1586
SHA2569a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5
SHA51291f08e0a11a44d0085ce2aa7eda8cb556510032ab2c2a61a6834e629dde973271d018add27df0b05f2fd7df0177298711f5caeb8db97d9640e6b93fe1b137ced