Analysis
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max time kernel
165s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2022 23:45
Static task
static1
Behavioral task
behavioral1
Sample
c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe
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Size
132KB
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MD5
dc20855cf8c7ffff215be9f32b12052d
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SHA1
8d303e0f36a232078ceeb328adef95fc49232ca3
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SHA256
c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b
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SHA512
bd491e7a3f635809af97090cd272e9e1440bb2608ea2a50718c517b544348f8da8e93df8f0e0a3dad3f5e1b860221fb3075657b3152476a6f2410dfc8e4a3500
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SSDEEP
3072:fL3gqEBNBGh3Gix5CJIldRonVI0mgn0W4zuby:fUqEBzGhWiDCDVI0mgnzk
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" xkyat.exe -
Executes dropped EXE 1 IoCs
pid Process 5088 xkyat.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /X" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /p" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /H" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /M" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /r" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /w" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /r" c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /v" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /P" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /Q" xkyat.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /s" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /e" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /E" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /z" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /y" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /S" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /O" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /T" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /g" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /B" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /a" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /V" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /o" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /U" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /Z" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /K" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /f" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /R" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /m" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /k" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /d" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /l" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /t" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /N" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /u" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /L" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /D" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /h" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /c" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /C" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /Y" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /i" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /W" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /A" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /x" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /F" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /J" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /G" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /j" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /b" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /n" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /q" xkyat.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xkyat = "C:\\Users\\Admin\\xkyat.exe /I" xkyat.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 2732 c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe 2732 c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe 5088 xkyat.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2732 c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe 5088 xkyat.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2732 wrote to memory of 5088 2732 c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe 80 PID 2732 wrote to memory of 5088 2732 c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe 80 PID 2732 wrote to memory of 5088 2732 c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe"C:\Users\Admin\AppData\Local\Temp\c07d379cb81a79754825df564683356960ba2206e6478067a935a1a47935760b.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Users\Admin\xkyat.exe"C:\Users\Admin\xkyat.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:5088
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
132KB
MD52c40726de811ffeb55f2728b46031b97
SHA13ad0950b49e28a1a0ccc2a6fb7c8801daa9ae72d
SHA2560f3803c647a1b44af3a452d2dbd46572b88ed18a06d105c354d9bcbbaf21c9d6
SHA5121fa7b3da1ec9a4db14f46cc46dfac58a3941d0d2dfa10060872fa1a842dd4ee4487fe88ef389621b4f2cc45c6922882471af8e1ba47f0410f0c56cc9025b3d67
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Filesize
132KB
MD52c40726de811ffeb55f2728b46031b97
SHA13ad0950b49e28a1a0ccc2a6fb7c8801daa9ae72d
SHA2560f3803c647a1b44af3a452d2dbd46572b88ed18a06d105c354d9bcbbaf21c9d6
SHA5121fa7b3da1ec9a4db14f46cc46dfac58a3941d0d2dfa10060872fa1a842dd4ee4487fe88ef389621b4f2cc45c6922882471af8e1ba47f0410f0c56cc9025b3d67