Analysis
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max time kernel
151s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 20:47
Static task
static1
Behavioral task
behavioral1
Sample
61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe
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Size
180KB
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MD5
6846efde0df4799903f7c726f653c680
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SHA1
ca347c618b70eb0c95e28bd844b9b802f91c78de
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SHA256
61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5
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SHA512
45bd131b6b63397adda735948b3e60901f192b1be2a166293c4f21576bedbd3c9b5e132326440028591802f9faf45e194aa989ecb3ec79957fa0b00646c685e7
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SSDEEP
3072:JyfdVAXY71idPAaWELGzMshNXTDFE+7jF6XTjaJ:JyfzAY+oXqFshNTDT756XTI
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" poowuo.exe -
Executes dropped EXE 1 IoCs
pid Process 1792 poowuo.exe -
Loads dropped DLL 2 IoCs
pid Process 1476 61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe 1476 61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /o" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /y" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /d" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /n" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /w" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /e" poowuo.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /b" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /l" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /g" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /c" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /f" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /u" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /q" poowuo.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /t" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /r" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /s" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /a" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /k" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /i" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /z" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /q" 61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /v" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /m" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /h" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /j" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /p" poowuo.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\poowuo = "C:\\Users\\Admin\\poowuo.exe /x" poowuo.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 1476 61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe 1792 poowuo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1476 61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe 1792 poowuo.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1476 wrote to memory of 1792 1476 61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe 27 PID 1476 wrote to memory of 1792 1476 61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe 27 PID 1476 wrote to memory of 1792 1476 61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe 27 PID 1476 wrote to memory of 1792 1476 61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.exe"C:\Users\Admin\AppData\Local\Temp\61249cf05cc01e0b3a277950c37b7df7b9ee18407a0f43adbb2e651f53d7f7c5.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:1476 -
C:\Users\Admin\poowuo.exe"C:\Users\Admin\poowuo.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:1792
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
180KB
MD57dacb9cfe0f4f7e817dcfd212edc965f
SHA103f5789666e59d86c775dc6441406b89fdc2cad7
SHA2561e612d53449115bd15bf3b74f2b8fa132ed8a15ef9fc422f71c9ffbcaf8d8599
SHA512bf013eafe0cb3e400dfaf62e42a698eb08d5c944fd2f82079fc94823f626fc029ef01b632af61dd00310870f27ee11e25d6b6d90151915f97fe5808708503d99
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Filesize
180KB
MD57dacb9cfe0f4f7e817dcfd212edc965f
SHA103f5789666e59d86c775dc6441406b89fdc2cad7
SHA2561e612d53449115bd15bf3b74f2b8fa132ed8a15ef9fc422f71c9ffbcaf8d8599
SHA512bf013eafe0cb3e400dfaf62e42a698eb08d5c944fd2f82079fc94823f626fc029ef01b632af61dd00310870f27ee11e25d6b6d90151915f97fe5808708503d99
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Filesize
180KB
MD57dacb9cfe0f4f7e817dcfd212edc965f
SHA103f5789666e59d86c775dc6441406b89fdc2cad7
SHA2561e612d53449115bd15bf3b74f2b8fa132ed8a15ef9fc422f71c9ffbcaf8d8599
SHA512bf013eafe0cb3e400dfaf62e42a698eb08d5c944fd2f82079fc94823f626fc029ef01b632af61dd00310870f27ee11e25d6b6d90151915f97fe5808708503d99
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Filesize
180KB
MD57dacb9cfe0f4f7e817dcfd212edc965f
SHA103f5789666e59d86c775dc6441406b89fdc2cad7
SHA2561e612d53449115bd15bf3b74f2b8fa132ed8a15ef9fc422f71c9ffbcaf8d8599
SHA512bf013eafe0cb3e400dfaf62e42a698eb08d5c944fd2f82079fc94823f626fc029ef01b632af61dd00310870f27ee11e25d6b6d90151915f97fe5808708503d99