Analysis
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max time kernel
151s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05-12-2022 10:57
Static task
static1
Behavioral task
behavioral1
Sample
8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
1 signatures
150 seconds
General
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Target
8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe
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Size
148KB
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MD5
ac467958a4e9293138985ea4f3f5242c
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SHA1
0d5cd02e0b627e6be64eb3209306b3b3f822d493
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SHA256
8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85
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SHA512
122f81d2689562f69604801884cf3f4950fb6253234c82f896402bd908db1c808db137706de01d29d58907bdee77454bb1acac00be522af96f5c5e9666e426e6
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SSDEEP
3072:R45BVnzPVigj6G7gW1lktdVbKPkKE9qKIuD4oQZiEt60:gBVz9Fj7b1eDvXIoWV
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" 8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cvvaux.exe -
Executes dropped EXE 1 IoCs
pid Process 1924 cvvaux.exe -
Loads dropped DLL 2 IoCs
pid Process 740 8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe 740 8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /Y" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /Z" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /L" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /B" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /g" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /J" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /s" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /e" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /R" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /S" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /I" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /E" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /K" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /z" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /x" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /r" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /W" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /u" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /G" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /M" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /k" 8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /y" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /X" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /T" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /w" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /m" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /a" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /V" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /t" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /A" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /k" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /c" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /N" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /O" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /l" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /C" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /f" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /H" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /p" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /i" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /d" cvvaux.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /D" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /F" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /b" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /h" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /n" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /q" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /j" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /P" cvvaux.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvvaux = "C:\\Users\\Admin\\cvvaux.exe /o" cvvaux.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 740 8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe 1924 cvvaux.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 740 8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe 1924 cvvaux.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 740 wrote to memory of 1924 740 8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe 27 PID 740 wrote to memory of 1924 740 8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe 27 PID 740 wrote to memory of 1924 740 8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe 27 PID 740 wrote to memory of 1924 740 8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.exe"C:\Users\Admin\AppData\Local\Temp\8008adcf684ec024746b220458cd3f7f6538228b9b52a6194527fd7b42a1ec85.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:740 -
C:\Users\Admin\cvvaux.exe"C:\Users\Admin\cvvaux.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:1924
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
148KB
MD5b923ab040de31f8ffe8b0ef5cffd1dbe
SHA18aaf4e27a0ef3ea757a3a60fcfbccc04948c7cd7
SHA256441b1cc8ff06a464275e878a5524beb16f5f1c660724fb83121a7c80a8b944b3
SHA51262ebdf971ca25fe3b66029ce7904e09e28773a10236a56a8581d05c46f7b939b27925b188d64928d80f1de5780d04e56cea957c2af64dd921ca369b984363987
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Filesize
148KB
MD5b923ab040de31f8ffe8b0ef5cffd1dbe
SHA18aaf4e27a0ef3ea757a3a60fcfbccc04948c7cd7
SHA256441b1cc8ff06a464275e878a5524beb16f5f1c660724fb83121a7c80a8b944b3
SHA51262ebdf971ca25fe3b66029ce7904e09e28773a10236a56a8581d05c46f7b939b27925b188d64928d80f1de5780d04e56cea957c2af64dd921ca369b984363987
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Filesize
148KB
MD5b923ab040de31f8ffe8b0ef5cffd1dbe
SHA18aaf4e27a0ef3ea757a3a60fcfbccc04948c7cd7
SHA256441b1cc8ff06a464275e878a5524beb16f5f1c660724fb83121a7c80a8b944b3
SHA51262ebdf971ca25fe3b66029ce7904e09e28773a10236a56a8581d05c46f7b939b27925b188d64928d80f1de5780d04e56cea957c2af64dd921ca369b984363987
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Filesize
148KB
MD5b923ab040de31f8ffe8b0ef5cffd1dbe
SHA18aaf4e27a0ef3ea757a3a60fcfbccc04948c7cd7
SHA256441b1cc8ff06a464275e878a5524beb16f5f1c660724fb83121a7c80a8b944b3
SHA51262ebdf971ca25fe3b66029ce7904e09e28773a10236a56a8581d05c46f7b939b27925b188d64928d80f1de5780d04e56cea957c2af64dd921ca369b984363987