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Analysis
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max time kernel
170s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 23:21
Static task
static1
Behavioral task
behavioral1
Sample
67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe
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Size
192KB
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MD5
6fde77aaf7879e973ca0aecd6c751f16
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SHA1
857c9de66351d1ce322030baadfbd85d3d16debd
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SHA256
67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06
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SHA512
12a72c8c80bd11b1cd007699ca193fd856fc7bbbacd4676d881a78f583f59ceabdf01a94ec8669b56a8ad25c278f29af8c95ef1c622328a08cdb968d0e993fa5
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SSDEEP
1536:7vHmH9uHl9grPRi4iti93MH9iV6MRfWzzp3BHCeQbIYL29oPLJZ514R9/eJqi/7:bmH9a9KRi4itiSHXzp3fYhPLJGaD
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" 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" khtaog.exe -
Executes dropped EXE 1 IoCs
pid Process 4556 khtaog.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 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /m" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /k" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /c" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /x" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /n" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /t" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /s" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /y" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /q" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /h" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /r" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /u" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /b" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /z" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /e" 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /d" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /o" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /g" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /f" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /i" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /p" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /v" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /j" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /e" khtaog.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /a" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /l" khtaog.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\khtaog = "C:\\Users\\Admin\\khtaog.exe /w" khtaog.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 4560 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 4560 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe 4556 khtaog.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4560 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 4556 khtaog.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4560 wrote to memory of 4556 4560 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 80 PID 4560 wrote to memory of 4556 4560 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 80 PID 4560 wrote to memory of 4556 4560 67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.exe"C:\Users\Admin\AppData\Local\Temp\67d10238406f504cb429381ea190e8ce3115e4776266d38e3648cec6abb8eb06.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:4560 -
C:\Users\Admin\khtaog.exe"C:\Users\Admin\khtaog.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:4556
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
192KB
MD52a4503606cc18af3562a624ddaee93e8
SHA171c968639176b1fa94a6dd49e86ba05b096689dc
SHA256dd50aeef64a7abf706148ede1fd8f4e9b64e1595947c6da686b512ba56a6f9a8
SHA512d91d7b823258b8e2923b80840e9bf6cc97f492988d9f5f4345f0ed0961364abd851322e11b7bf2f5a87213f157e3639e32696726dceec74fbf08206e6bd97910
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Filesize
192KB
MD52a4503606cc18af3562a624ddaee93e8
SHA171c968639176b1fa94a6dd49e86ba05b096689dc
SHA256dd50aeef64a7abf706148ede1fd8f4e9b64e1595947c6da686b512ba56a6f9a8
SHA512d91d7b823258b8e2923b80840e9bf6cc97f492988d9f5f4345f0ed0961364abd851322e11b7bf2f5a87213f157e3639e32696726dceec74fbf08206e6bd97910