Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-10-2024 18:38
Behavioral task
behavioral1
Sample
464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
Resource
win7-20240903-en
General
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Target
464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
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Size
3.3MB
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MD5
b2adbe5ec5bba599a6de1525757d4305
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SHA1
fda30246566cedc7cc7117169155ee3a1b69af7f
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SHA256
464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe
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SHA512
4e6b2d4bb094f4c500f00bda294a28800debb6573c2115b4eb61e2b6b4abca94854f448913dfbdc666fe6724c01cb237b9e5522a79054ddbc9d2c02da1dc0a88
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SSDEEP
98304:MchV+2Z/m9D2D08Iw3QgT+l4NNEfUOq+O3XMifOYje:Xd/m9r8IstNEcOq+OM2OYje
Malware Config
Extracted
njrat
v4.0
HacKed
still-obviously.gl.at.ply.gg:46857
Windows
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reg_key
Windows
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splitter
|-F-|
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe -
Drops startup file 3 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe attrib.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe -
resource yara_rule behavioral2/memory/5032-9-0x0000000000660000-0x0000000000F2A000-memory.dmp themida behavioral2/memory/5032-10-0x0000000000660000-0x0000000000F2A000-memory.dmp themida behavioral2/files/0x0007000000023ca5-25.dat themida -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.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 attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: 33 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe Token: SeIncBasePriorityPrivilege 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5032 wrote to memory of 776 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe 87 PID 5032 wrote to memory of 776 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe 87 PID 5032 wrote to memory of 776 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe 87 PID 5032 wrote to memory of 1552 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe 88 PID 5032 wrote to memory of 1552 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe 88 PID 5032 wrote to memory of 1552 5032 464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe 88 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 776 attrib.exe 1552 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe"C:\Users\Admin\AppData\Local\Temp\464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Drops startup file
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Windows\SysWOW64\attrib.exeattrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"2⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:776
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C:\Windows\SysWOW64\attrib.exeattrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"2⤵
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:1552
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
1Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.3MB
MD5b2adbe5ec5bba599a6de1525757d4305
SHA1fda30246566cedc7cc7117169155ee3a1b69af7f
SHA256464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe
SHA5124e6b2d4bb094f4c500f00bda294a28800debb6573c2115b4eb61e2b6b4abca94854f448913dfbdc666fe6724c01cb237b9e5522a79054ddbc9d2c02da1dc0a88