Analysis
- max time kernel
185s - max time network
189s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
03/12/2022, 19:51
Static task
static1
Behavioral task
behavioral1
Sample
f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe
- Size 144KB
- Sample221203-yk9d5aed2t
- SHA256 f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e
- MD5 0e41193f9c27f3fdf65b8b5fc75887df
- SHA1 9d38c9fbe21e4e8feeb1791e01d6c21ef913a7cb
- SHA512 7cfafa840f4be2dea42d21c9ae503b81f8af8c9bcd9934aab151d3814f45f3be3e0c84b56de9257194ea6dbd4e6e457c40e581684def2af983560f9668d0cbeb
- SSDEEP 1536:Dtlj4KXMnE0ggGDHjDTYpK3XZIkIh1mF+0da1f6ymqneF05bN4oQ/hKeXsjEFoCq:Dtdcnhg/zSKM0AGMeF05B4oQZiE+CYt
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- 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" f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tooasiv.exe - Executes dropped EXE 1 IoCs
pid Process 5032 tooasiv.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 f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe - Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /a" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /U" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /c" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /J" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /m" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /o" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /S" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /Z" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /r" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /Q" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /p" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /z" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /e" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /V" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /G" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /B" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /Y" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /I" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /k" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /N" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /l" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /L" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /D" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /H" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /y" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /X" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /P" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /i" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /q" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /E" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /w" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /v" tooasiv.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /x" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /C" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /f" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /g" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /u" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /t" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /s" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /M" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /A" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /R" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /W" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /O" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /j" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /S" f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /d" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /K" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /T" tooasiv.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /F" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /b" tooasiv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tooasiv = "C:\\Users\\Admin\\tooasiv.exe /n" tooasiv.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4328 f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe 4328 f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe 5032 tooasiv.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4328 f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe 5032 tooasiv.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4328 wrote to memory of 5032 4328 f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe 79 PID 4328 wrote to memory of 5032 4328 f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe 79 PID 4328 wrote to memory of 5032 4328 f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.exe"C:\Users\Admin\AppData\Local\Temp\f13d51d39d1fd454a5ee7c3cfe86970f3f72600d243dc92f66f2be9dd937949e.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:4328 -
C:\Users\Admin\tooasiv.exe"C:\Users\Admin\tooasiv.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:5032
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\tooasiv.exe
- Size 144KB
- SHA256 88a0383a9112227c83c492db914beb77800e1e3eaa12e77acd447d9bd96437c4
- MD5 db4dd5885e3226f986baea14dc0d2885
- SHA1 d0db72aed70a0d4beeb4caaac5fb06fbee617cf5
- SHA512 8da23252b34a6e6221a3f7a5fe64bf103a247dd005372e5623f0e846da7df5eb85e3c7f5cfb9c2516c06c752528669c4f669073d2bb7d578989b667303214e4d
- SSDEEP 1536:Dtlj3MEnE0ggGDHjDTYpK3XZIkIh1mF+0da1f6ymqneF05bN4oQ/hKeXsjEFmG:Dtrnhg/zSKM0AGMeF05B4oQZiEUG
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\tooasiv.exe
- Size 144KB
- SHA256 88a0383a9112227c83c492db914beb77800e1e3eaa12e77acd447d9bd96437c4
- MD5 db4dd5885e3226f986baea14dc0d2885
- SHA1 d0db72aed70a0d4beeb4caaac5fb06fbee617cf5
- SHA512 8da23252b34a6e6221a3f7a5fe64bf103a247dd005372e5623f0e846da7df5eb85e3c7f5cfb9c2516c06c752528669c4f669073d2bb7d578989b667303214e4d
- SSDEEP 1536:Dtlj3MEnE0ggGDHjDTYpK3XZIkIh1mF+0da1f6ymqneF05bN4oQ/hKeXsjEFmG:Dtrnhg/zSKM0AGMeF05B4oQZiEUG
- MD5 SHA1 SHA512 SSDEEP