Analysis
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max time kernel
204s -
max time network
76s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe
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Size
172KB
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MD5
f3b733ffbe2000d6ccf2e704211d5cc9
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SHA1
111c694ad2bd4f332d69cfe7a9dacc81ab1fdc53
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SHA256
c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651
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SHA512
079b5095dfb6a72c2bf598d0728986f4e31fe7be7be90b8475fd79b894d49673b0ee0b70e2f7472bbc81f8b373550a623507563968948acd33c926380ea99f7d
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SSDEEP
3072:iIs/t18k5gq6Knvmb7/D26hjCWad38RQFyjwGBEWNDsm6slPct+CiBuAZdrP:0/tOtKnvmb7/D26heWad38RQFyjwGWoL
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" c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vaavig.exe -
Executes dropped EXE 1 IoCs
pid Process 332 vaavig.exe -
Loads dropped DLL 2 IoCs
pid Process 1688 c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe 1688 c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe -
Adds Run key to start application 2 TTPs 45 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /q" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /I" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /d" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /y" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /c" vaavig.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /F" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /t" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /m" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /e" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /N" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /O" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /K" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /o" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /f" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /C" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /X" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /D" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /T" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /j" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /b" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /i" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /Q" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /L" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /n" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /s" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /k" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /M" vaavig.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /G" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /A" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /U" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /W" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /x" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /E" c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /r" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /E" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /B" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /u" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /l" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /Z" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /p" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /P" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /a" vaavig.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\vaavig = "C:\\Users\\Admin\\vaavig.exe /Y" vaavig.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 1688 c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe 332 vaavig.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1688 c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe 332 vaavig.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1688 wrote to memory of 332 1688 c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe 28 PID 1688 wrote to memory of 332 1688 c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe 28 PID 1688 wrote to memory of 332 1688 c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe 28 PID 1688 wrote to memory of 332 1688 c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.exe"C:\Users\Admin\AppData\Local\Temp\c996d93af9eca4782f1bcc2cf9202e89c6017530ce0076b9d3f08be71b7b6651.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:1688 -
C:\Users\Admin\vaavig.exe"C:\Users\Admin\vaavig.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:332
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
172KB
MD5f685976eaa0e76e29130d02adaf7e178
SHA1a28a53bd25e476bdd730d17770497824897ef78f
SHA2568d3624ceb2b87e13b71c9f4b66dc2a0f15df4805093f0b91ee2049de507bbb0c
SHA5124542219d31004ec3298cef1a02f0acb88e9ead2d98e2490251dbdb7a261de70d788ba8ac33a024613f9861c4593326ccd84ef65c65001f9786acef54cd556935
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Filesize
172KB
MD5f685976eaa0e76e29130d02adaf7e178
SHA1a28a53bd25e476bdd730d17770497824897ef78f
SHA2568d3624ceb2b87e13b71c9f4b66dc2a0f15df4805093f0b91ee2049de507bbb0c
SHA5124542219d31004ec3298cef1a02f0acb88e9ead2d98e2490251dbdb7a261de70d788ba8ac33a024613f9861c4593326ccd84ef65c65001f9786acef54cd556935
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Filesize
172KB
MD5f685976eaa0e76e29130d02adaf7e178
SHA1a28a53bd25e476bdd730d17770497824897ef78f
SHA2568d3624ceb2b87e13b71c9f4b66dc2a0f15df4805093f0b91ee2049de507bbb0c
SHA5124542219d31004ec3298cef1a02f0acb88e9ead2d98e2490251dbdb7a261de70d788ba8ac33a024613f9861c4593326ccd84ef65c65001f9786acef54cd556935
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Filesize
172KB
MD5f685976eaa0e76e29130d02adaf7e178
SHA1a28a53bd25e476bdd730d17770497824897ef78f
SHA2568d3624ceb2b87e13b71c9f4b66dc2a0f15df4805093f0b91ee2049de507bbb0c
SHA5124542219d31004ec3298cef1a02f0acb88e9ead2d98e2490251dbdb7a261de70d788ba8ac33a024613f9861c4593326ccd84ef65c65001f9786acef54cd556935