Analysis
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max time kernel
152s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07/11/2022, 16:28
Static task
static1
Behavioral task
behavioral1
Sample
189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe
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Size
184KB
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MD5
0b333cd71539e75b2ee901b61e417e9a
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SHA1
dce1b9bc146ef5019d04c41bd90fd49f85a04d40
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SHA256
189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6
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SHA512
33719533eff7fb69dee2e1be3ad381d6a8c69c190c4b84537fcb335a810003bfba4309269cee6ee64c35f10b496ac2f3a31f66ee1c4a1c8cbf021d35138ba8fd
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SSDEEP
3072:t0FEOpfEQVdmpAxTIfJyX33RPvSk8g0gV093:t0P9ZdcARIfA3lvStg+l
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cauiri.exe -
Executes dropped EXE 1 IoCs
pid Process 948 cauiri.exe -
Loads dropped DLL 2 IoCs
pid Process 1896 189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe 1896 189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /z" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /t" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /R" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /L" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /k" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /p" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /N" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /Q" 189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /P" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /Q" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /j" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /D" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /S" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /x" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /f" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /M" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /u" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /H" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /i" cauiri.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /n" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /O" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /I" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /g" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /K" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /w" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /T" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /G" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /y" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /Z" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /b" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /J" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /v" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /Y" cauiri.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /s" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /h" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /B" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /V" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /U" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /l" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /A" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /C" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /q" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /o" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /a" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /X" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /d" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /r" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /m" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /W" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /c" cauiri.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cauiri = "C:\\Users\\Admin\\cauiri.exe /E" cauiri.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 1896 189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe 948 cauiri.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1896 189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe 948 cauiri.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1896 wrote to memory of 948 1896 189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe 28 PID 1896 wrote to memory of 948 1896 189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe 28 PID 1896 wrote to memory of 948 1896 189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe 28 PID 1896 wrote to memory of 948 1896 189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.exe"C:\Users\Admin\AppData\Local\Temp\189ff646a6e813be90747f0ecfed0bb9eaebcfee07f77bb89a0e44163b239de6.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:1896 -
C:\Users\Admin\cauiri.exe"C:\Users\Admin\cauiri.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:948
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
184KB
MD56961c4be0e1caf69625f5456d9a8bd8a
SHA1db22e47bee0f1bad579c97099e6484862b55b854
SHA25605d65f47ec3c3484856ba128fe189dcb6ae03e2ed45e4774df59d954dbd1161a
SHA51279e58886c961e040c200511995549e6cfe64fc147ed0fef0c04ec2e377a97cca82b11af84d796248293151bba22a0fcf351085cabbb035185812539f6d969c96
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Filesize
184KB
MD56961c4be0e1caf69625f5456d9a8bd8a
SHA1db22e47bee0f1bad579c97099e6484862b55b854
SHA25605d65f47ec3c3484856ba128fe189dcb6ae03e2ed45e4774df59d954dbd1161a
SHA51279e58886c961e040c200511995549e6cfe64fc147ed0fef0c04ec2e377a97cca82b11af84d796248293151bba22a0fcf351085cabbb035185812539f6d969c96
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Filesize
184KB
MD56961c4be0e1caf69625f5456d9a8bd8a
SHA1db22e47bee0f1bad579c97099e6484862b55b854
SHA25605d65f47ec3c3484856ba128fe189dcb6ae03e2ed45e4774df59d954dbd1161a
SHA51279e58886c961e040c200511995549e6cfe64fc147ed0fef0c04ec2e377a97cca82b11af84d796248293151bba22a0fcf351085cabbb035185812539f6d969c96
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Filesize
184KB
MD56961c4be0e1caf69625f5456d9a8bd8a
SHA1db22e47bee0f1bad579c97099e6484862b55b854
SHA25605d65f47ec3c3484856ba128fe189dcb6ae03e2ed45e4774df59d954dbd1161a
SHA51279e58886c961e040c200511995549e6cfe64fc147ed0fef0c04ec2e377a97cca82b11af84d796248293151bba22a0fcf351085cabbb035185812539f6d969c96