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Analysis
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max time kernel
191s -
max time network
196s -
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, 20:31
Static task
static1
Behavioral task
behavioral1
Sample
33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe
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Size
116KB
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MD5
1526877d150d43044cc4c3f33542c60a
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SHA1
252486b0c3274e3b3a608db5bb3bf64793157f40
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SHA256
33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2
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SHA512
b30f6b229e4d8e9b4ce7148e1210c4d33a2c105d48f86adfee7bba5d2ecde959fe2cbe10d61e20e993d621a8e79d0e9682a414651283d02d6a558e48b422de26
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SSDEEP
1536:dXFCFlfeS6VZS5aXGE2Mtf9oUrUQKiQg9F5tkV7pjuX5e6wTeU/6gy4:fC7etVZQW2MtF3lV9qh
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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" biiare.exe -
Executes dropped EXE 1 IoCs
pid Process 2380 biiare.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation 33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /f" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /c" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /p" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /b" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /i" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /h" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /v" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /y" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /o" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /j" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /l" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /d" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /u" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /s" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /r" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /g" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /e" biiare.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /i" 33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /z" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /m" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /n" biiare.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /a" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /k" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /x" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /q" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /w" biiare.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\biiare = "C:\\Users\\Admin\\biiare.exe /t" biiare.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 1800 33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe 1800 33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe 2380 biiare.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1800 33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe 2380 biiare.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1800 wrote to memory of 2380 1800 33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe 85 PID 1800 wrote to memory of 2380 1800 33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe 85 PID 1800 wrote to memory of 2380 1800 33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.exe"C:\Users\Admin\AppData\Local\Temp\33176b81adeeb839a38c3f63cd31a6fe5457dfbf69c5be7ef4499220b5aca2c2.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:1800 -
C:\Users\Admin\biiare.exe"C:\Users\Admin\biiare.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:2380
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
116KB
MD5ffc1e7b4558960255ffd604a2dc0558e
SHA1f8f07885a340291e3e2eb8a2146d8776b9085a8e
SHA2565196a170146eb2a01a8a46b4d809cd63cd2a6727e3abd34d9b096f49d6a08bc9
SHA512378e81ace3f2289063244576da6c6ebc60351ac569d09ec73dcab9328bd8618c75acd6bbfa7b50bffd65fe01fa07a2efc8a18e9becfc46cbb261ade8f2f7d07c
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Filesize
116KB
MD5ffc1e7b4558960255ffd604a2dc0558e
SHA1f8f07885a340291e3e2eb8a2146d8776b9085a8e
SHA2565196a170146eb2a01a8a46b4d809cd63cd2a6727e3abd34d9b096f49d6a08bc9
SHA512378e81ace3f2289063244576da6c6ebc60351ac569d09ec73dcab9328bd8618c75acd6bbfa7b50bffd65fe01fa07a2efc8a18e9becfc46cbb261ade8f2f7d07c