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Analysis
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max time kernel
153s -
max time network
177s -
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, 18:54
Static task
static1
Behavioral task
behavioral1
Sample
c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe
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Size
124KB
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MD5
0f3d0f72328d562ba2f3f92daea7fccd
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SHA1
d9b99e0faaa667b1effa7d2b5efcf4a081039cef
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SHA256
c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4
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SHA512
666734f91dea31760679bbcb851fc3e2b7008908b5ba340d96491f4f3b4479ebc4452b2a310c1b93f301e7c676cffe6e4fbf2559ad003a30ad7f21a46dce937a
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SSDEEP
1536:JDEchwRTuBxeDtMYHa27J14ltxporZ45iMNeG0h/y:pEchwRTkeV6gJ1uCt45eq
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" boyew.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe -
Executes dropped EXE 1 IoCs
pid Process 1136 boyew.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 c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /Z" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /m" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /b" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /p" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /P" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /l" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /s" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /k" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /e" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /T" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /h" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /U" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /Q" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /v" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /N" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /W" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /w" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /A" boyew.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /c" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /M" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /D" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /E" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /a" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /d" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /n" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /F" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /L" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /O" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /o" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /I" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /t" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /j" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /B" c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /H" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /i" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /q" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /K" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /S" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /z" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /V" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /y" boyew.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /x" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /G" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /B" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /R" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /u" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /X" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /g" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /f" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /J" boyew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boyew = "C:\\Users\\Admin\\boyew.exe /Y" boyew.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 3724 c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe 3724 c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe 1136 boyew.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3724 c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe 1136 boyew.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3724 wrote to memory of 1136 3724 c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe 79 PID 3724 wrote to memory of 1136 3724 c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe 79 PID 3724 wrote to memory of 1136 3724 c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.exe"C:\Users\Admin\AppData\Local\Temp\c7895247505fbb6aa55999734710c5614e199607b5362ac2839e14baede1edd4.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:3724 -
C:\Users\Admin\boyew.exe"C:\Users\Admin\boyew.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:1136
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124KB
MD51e563dca4033403f128e2db776de427f
SHA1beeb2e053db1a2910952e2a55b48de47f5d8838a
SHA2569e2f690c4c877307e39cefb3b2711416486ef0aaa57984eea8edafd094504dba
SHA5122d45e5fd87c02825e670ae13757ccbd9303183ff1afdd23c471050b73d36a1ab4194005baa5707bbd0df2f0559e0c9e2d233dfc54b0dcbf31d34551efc2484db
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Filesize
124KB
MD51e563dca4033403f128e2db776de427f
SHA1beeb2e053db1a2910952e2a55b48de47f5d8838a
SHA2569e2f690c4c877307e39cefb3b2711416486ef0aaa57984eea8edafd094504dba
SHA5122d45e5fd87c02825e670ae13757ccbd9303183ff1afdd23c471050b73d36a1ab4194005baa5707bbd0df2f0559e0c9e2d233dfc54b0dcbf31d34551efc2484db