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Analysis
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max time kernel
154s -
max time network
81s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 17:09
Static task
static1
Behavioral task
behavioral1
Sample
bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe
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Size
420KB
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MD5
7a454fa985be19c741a02d72a85d4dab
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SHA1
352b5be5f93702b8f7f93a9672c4636e3a1137bc
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SHA256
bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a
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SHA512
cab77cbeb9ddd5b1fdedc4174564aaf606f8e36b61f6295bede4589cc319e819643cff37054b1e9b4ec0b78e831f6073ffd980b93ae246eca8d6b3debc8857bf
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SSDEEP
6144:HwW8jqFk7qFoQudlhiP5+6yCtfGiIpZFGd:Hfb2QudeYrfFo
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" bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wioamo.exe -
Executes dropped EXE 1 IoCs
pid Process 1608 wioamo.exe -
Loads dropped DLL 2 IoCs
pid Process 1360 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 1360 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /v" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /k" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /z" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /a" wioamo.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /g" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /b" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /r" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /x" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /i" wioamo.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /o" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /u" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /j" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /c" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /s" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /f" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /e" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /w" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /l" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /m" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /p" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /y" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /c" bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /t" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /q" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /h" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /n" wioamo.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wioamo = "C:\\Users\\Admin\\wioamo.exe /d" wioamo.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 1360 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe 1608 wioamo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1360 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 1608 wioamo.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1360 wrote to memory of 1608 1360 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 28 PID 1360 wrote to memory of 1608 1360 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 28 PID 1360 wrote to memory of 1608 1360 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 28 PID 1360 wrote to memory of 1608 1360 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe"C:\Users\Admin\AppData\Local\Temp\bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.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:1360 -
C:\Users\Admin\wioamo.exe"C:\Users\Admin\wioamo.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:1608
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
420KB
MD5a32fd1141983bb5e47da58b2dbb3dc8d
SHA154dab5e435234e5764db6bb21e0ceb8b9629f644
SHA256ea36de37d05916c4b72e1e19780f8c576d367187558d8bef5173ca690f2553d7
SHA51271bac960d882e2d4b0591d1ec8632fbf6c93b291882d345772b752a632aaabade3da601e03db225627239dcf1b0169183de47e9456257a842bfe714dd7b328f1
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Filesize
420KB
MD5a32fd1141983bb5e47da58b2dbb3dc8d
SHA154dab5e435234e5764db6bb21e0ceb8b9629f644
SHA256ea36de37d05916c4b72e1e19780f8c576d367187558d8bef5173ca690f2553d7
SHA51271bac960d882e2d4b0591d1ec8632fbf6c93b291882d345772b752a632aaabade3da601e03db225627239dcf1b0169183de47e9456257a842bfe714dd7b328f1
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Filesize
420KB
MD5a32fd1141983bb5e47da58b2dbb3dc8d
SHA154dab5e435234e5764db6bb21e0ceb8b9629f644
SHA256ea36de37d05916c4b72e1e19780f8c576d367187558d8bef5173ca690f2553d7
SHA51271bac960d882e2d4b0591d1ec8632fbf6c93b291882d345772b752a632aaabade3da601e03db225627239dcf1b0169183de47e9456257a842bfe714dd7b328f1
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Filesize
420KB
MD5a32fd1141983bb5e47da58b2dbb3dc8d
SHA154dab5e435234e5764db6bb21e0ceb8b9629f644
SHA256ea36de37d05916c4b72e1e19780f8c576d367187558d8bef5173ca690f2553d7
SHA51271bac960d882e2d4b0591d1ec8632fbf6c93b291882d345772b752a632aaabade3da601e03db225627239dcf1b0169183de47e9456257a842bfe714dd7b328f1