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
09-10-2024 20:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe
Resource
win7-20240708-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe
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Size
88KB
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MD5
989a1893add9294237833fbebbd0ab3d
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SHA1
033ec8c448b902b70f146f0271d3b5fe11de544c
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SHA256
406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc
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SHA512
e6847f51fa278cc92100000801c2e82f366206b2d8314aa7c2cac92676f5309faaea1ddcfb9cbeaeb5a17e7a3c64cd7c4b4ddb37b1b9852d0904c3b1a3140aa6
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SSDEEP
1536:spvboIQ/JDHKa5LJW6/Z2NZQKvdmNmS/:wjoI8DHKuFOJvdN
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nvjan.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation 406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe -
Executes dropped EXE 1 IoCs
pid Process 1872 nvjan.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /l" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /y" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /u" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /t" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /r" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /w" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /m" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /e" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /q" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /o" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /s" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /i" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /k" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /p" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /c" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /a" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /j" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /z" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /h" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /n" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /f" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /d" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /z" 406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /x" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /b" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /v" nvjan.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvjan = "C:\\Users\\Admin\\nvjan.exe /g" nvjan.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 406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nvjan.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3216 406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe 3216 406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe 1872 nvjan.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3216 406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe 1872 nvjan.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3216 wrote to memory of 1872 3216 406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe 86 PID 3216 wrote to memory of 1872 3216 406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe 86 PID 3216 wrote to memory of 1872 3216 406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe"C:\Users\Admin\AppData\Local\Temp\406581acab4ecf389e2aa527ed7886f084f15334dae60ce13ab16b63c34acabc.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Users\Admin\nvjan.exe"C:\Users\Admin\nvjan.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1872
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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
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
88KB
MD50025ff052e52c34284fa6d20e7976593
SHA1bd75af448855eda2eb769c3d0947b7a1b816b122
SHA2566d3eee349f34b30d46e7e5f58c801b0d73d92db4737cc6f393ee68be6a282509
SHA512a5187c34f8211b57b7f25c252dd86bb805d8b7910580f61d3184f3831cd92316c310e5c434549fb7a908d61ba7dc3a1188d52191cce61c40f0696d60e57fffd1