Analysis
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max time kernel
164s -
max time network
77s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 22:59
Static task
static1
Behavioral task
behavioral1
Sample
a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe
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Size
88KB
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MD5
5d66df5aad51b1f2ec533983f9915852
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SHA1
46b2a4fffa7f3c3a3c008c6e487c742ea3184031
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SHA256
a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd
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SHA512
f7aa23af00ecb87ac9fd41d743eb0af2daa8ccd8e05e1933cefd349ddeda4945f9bff35145eef96915b47b09f99f2c5d445564d9a2b68c9d77a1a029947ec4d4
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SSDEEP
768:7Lk9rFEGNu34C/lfQzxKztTp8KS5k+qIYvCdUwY7EqVN14+QCnq/K/7ZP:7LksGGloAztd8HtPY7DN14Oqi/7ZP
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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" saoix.exe -
Executes dropped EXE 1 IoCs
pid Process 1700 saoix.exe -
Loads dropped DLL 2 IoCs
pid Process 1888 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 1888 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /s" saoix.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /h" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /y" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /m" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /w" saoix.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /q" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /e" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /u" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /i" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /x" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /f" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /n" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /a" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /j" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /d" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /r" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /p" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /v" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /l" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /t" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /k" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /g" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /z" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /o" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /l" a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /c" saoix.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\saoix = "C:\\Users\\Admin\\saoix.exe /b" saoix.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 1888 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe 1700 saoix.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1888 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 1700 saoix.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1888 wrote to memory of 1700 1888 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 28 PID 1888 wrote to memory of 1700 1888 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 28 PID 1888 wrote to memory of 1700 1888 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 28 PID 1888 wrote to memory of 1700 1888 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe"C:\Users\Admin\AppData\Local\Temp\a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1888 -
C:\Users\Admin\saoix.exe"C:\Users\Admin\saoix.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:1700
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD5974205e4e4fe23cbdede8c7f59743923
SHA1070410f8155fd556b62db857304d8c1f4072b891
SHA2560b94bac258cde07d16abc86289a2cd26d6f70f1207152b5f1d3d78401da7cb2d
SHA512ba5de59a0c20c62e419cc1cbb51a4282685fa895da832bf6185e2e69f84a484e0d91e1a046995f23ef3fe9c2a62eb89ea9e366152632da2a392abcde51182675
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Filesize
88KB
MD5974205e4e4fe23cbdede8c7f59743923
SHA1070410f8155fd556b62db857304d8c1f4072b891
SHA2560b94bac258cde07d16abc86289a2cd26d6f70f1207152b5f1d3d78401da7cb2d
SHA512ba5de59a0c20c62e419cc1cbb51a4282685fa895da832bf6185e2e69f84a484e0d91e1a046995f23ef3fe9c2a62eb89ea9e366152632da2a392abcde51182675
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Filesize
88KB
MD5974205e4e4fe23cbdede8c7f59743923
SHA1070410f8155fd556b62db857304d8c1f4072b891
SHA2560b94bac258cde07d16abc86289a2cd26d6f70f1207152b5f1d3d78401da7cb2d
SHA512ba5de59a0c20c62e419cc1cbb51a4282685fa895da832bf6185e2e69f84a484e0d91e1a046995f23ef3fe9c2a62eb89ea9e366152632da2a392abcde51182675
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Filesize
88KB
MD5974205e4e4fe23cbdede8c7f59743923
SHA1070410f8155fd556b62db857304d8c1f4072b891
SHA2560b94bac258cde07d16abc86289a2cd26d6f70f1207152b5f1d3d78401da7cb2d
SHA512ba5de59a0c20c62e419cc1cbb51a4282685fa895da832bf6185e2e69f84a484e0d91e1a046995f23ef3fe9c2a62eb89ea9e366152632da2a392abcde51182675