Analysis
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max time kernel
309s -
max time network
444s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 19:45
Static task
static1
Behavioral task
behavioral1
Sample
e3fcf07764ef7729152f2f29cc7594e7627ebced011fc89ae4798da49b7ed359.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e3fcf07764ef7729152f2f29cc7594e7627ebced011fc89ae4798da49b7ed359.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
e3fcf07764ef7729152f2f29cc7594e7627ebced011fc89ae4798da49b7ed359.exe
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Size
260KB
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MD5
409bc96c4d2f6cf21cc5c018933919f6
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SHA1
c3cdda6e50e2c0b384a97c6e713ae1d3cdd5572f
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SHA256
e3fcf07764ef7729152f2f29cc7594e7627ebced011fc89ae4798da49b7ed359
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SHA512
084c1f73ec857c6cfd8f9e4bf5265cad6cd8f4b3ad74c2e75904b2e8caf0cf7dfe28e8bd0f6ebdc6b9fe5260b7c761b19f168297c4afffa36becacab875e2335
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SSDEEP
3072:WgfAlNFvh25n/kZoSUjMqXnpWAkpAmTSrMaIOYt/jo7LAtPhjjtZnfHFEoWBfGVS:Wd0gTSrMaIl/jcLijfHFEHWzXvjT85R
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" sxtin.exe -
Executes dropped EXE 1 IoCs
pid Process 2668 sxtin.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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation e3fcf07764ef7729152f2f29cc7594e7627ebced011fc89ae4798da49b7ed359.exe -
Adds Run key to start application 2 TTPs 44 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run\ sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /D" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /W" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /T" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /w" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /g" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /X" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /Y" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /M" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /k" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /C" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /F" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /t" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /y" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /Z" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /S" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /n" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /A" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /i" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /K" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /s" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /u" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /R" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /a" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /j" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /E" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /o" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /r" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /H" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /V" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /Q" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /p" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /f" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /G" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /h" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /L" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /m" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /P" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /b" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /v" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /x" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /J" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /I" sxtin.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sxtin = "C:\\Users\\Admin\\sxtin.exe /l" sxtin.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe 2668 sxtin.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2424 e3fcf07764ef7729152f2f29cc7594e7627ebced011fc89ae4798da49b7ed359.exe 2668 sxtin.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2424 wrote to memory of 2668 2424 e3fcf07764ef7729152f2f29cc7594e7627ebced011fc89ae4798da49b7ed359.exe 80 PID 2424 wrote to memory of 2668 2424 e3fcf07764ef7729152f2f29cc7594e7627ebced011fc89ae4798da49b7ed359.exe 80 PID 2424 wrote to memory of 2668 2424 e3fcf07764ef7729152f2f29cc7594e7627ebced011fc89ae4798da49b7ed359.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\e3fcf07764ef7729152f2f29cc7594e7627ebced011fc89ae4798da49b7ed359.exe"C:\Users\Admin\AppData\Local\Temp\e3fcf07764ef7729152f2f29cc7594e7627ebced011fc89ae4798da49b7ed359.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Users\Admin\sxtin.exe"C:\Users\Admin\sxtin.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2668
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
260KB
MD5e2de086a578f8e5d7396f377cacd4187
SHA156bb92153ddea16a47dca68f74984dd435459b60
SHA2564b7deb8143c710671a4f9a43097b5235142fcf854153badf7942aa489aea3fb6
SHA512260b099e330a05003593f3b9b1a71374c86f248fcc6dc205da60cafa57f2c8039994e94d14d218fc7976b30a3d84b4c34ed45d280ef810de42a4f817b915c96d
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Filesize
260KB
MD5e2de086a578f8e5d7396f377cacd4187
SHA156bb92153ddea16a47dca68f74984dd435459b60
SHA2564b7deb8143c710671a4f9a43097b5235142fcf854153badf7942aa489aea3fb6
SHA512260b099e330a05003593f3b9b1a71374c86f248fcc6dc205da60cafa57f2c8039994e94d14d218fc7976b30a3d84b4c34ed45d280ef810de42a4f817b915c96d