Analysis
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max time kernel
136s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2022, 04:10
Static task
static1
Behavioral task
behavioral1
Sample
d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe
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Size
184KB
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MD5
41c86185b7ba28e9613e7d39ad9f7a93
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SHA1
b41a5ed0d3f118e0256b784896797479c968a0d6
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SHA256
d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481
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SHA512
8d7609e889bf63230e9424d14c60ad455748dcd41176cc8a91c3baf4c9d19a98ff0577f4f2e46c3a791c26913bf48cf5a554b2487567381fbde940e68c0ff29a
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SSDEEP
3072:PPpo6364Gv8F+7+w3wrOwo9aXw9Nf6b2fG+b6:PPpoO6p3f6jH
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" weeyiaj.exe -
Executes dropped EXE 1 IoCs
pid Process 4564 weeyiaj.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /o" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /e" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /m" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /t" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /y" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /z" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /x" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /g" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /n" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /u" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /p" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /s" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /r" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /i" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /j" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /w" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /c" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /b" weeyiaj.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /d" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /v" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /q" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /l" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /f" d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /f" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /k" weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /h" weeyiaj.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ weeyiaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weeyiaj = "C:\\Users\\Admin\\weeyiaj.exe /a" weeyiaj.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 3124 d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe 3124 d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe 4564 weeyiaj.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3124 d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe 4564 weeyiaj.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3124 wrote to memory of 4564 3124 d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe 87 PID 3124 wrote to memory of 4564 3124 d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe 87 PID 3124 wrote to memory of 4564 3124 d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.exe"C:\Users\Admin\AppData\Local\Temp\d871321fde2442f8892a78f3287234eefd5f6f2176aec7f5048664546791b481.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:3124 -
C:\Users\Admin\weeyiaj.exe"C:\Users\Admin\weeyiaj.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:4564
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
184KB
MD551df40368102149df0df08d6a564684d
SHA19d0a52670489b78deaa94f476f759ff1102a9067
SHA25640629315e3a1b6cf93d181b447811adbeb6de1419c24a1c03a5120527cc4a4ab
SHA512aa483cac77d0e3f2c4e2eb226ffe8413115affff2b8f41345c14d606faaee0cbf3cf077538988748801bddba3e6eb61361ec89916a785339e637d51d9f2922b6
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Filesize
184KB
MD551df40368102149df0df08d6a564684d
SHA19d0a52670489b78deaa94f476f759ff1102a9067
SHA25640629315e3a1b6cf93d181b447811adbeb6de1419c24a1c03a5120527cc4a4ab
SHA512aa483cac77d0e3f2c4e2eb226ffe8413115affff2b8f41345c14d606faaee0cbf3cf077538988748801bddba3e6eb61361ec89916a785339e637d51d9f2922b6