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Analysis
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max time kernel
177s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 23:24
Static task
static1
Behavioral task
behavioral1
Sample
56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe
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Size
136KB
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MD5
66ab7a654954d4b9c0fe095a4f16d48c
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SHA1
d52fe88f687ff73b0a0702344e58cd443ebc0bcc
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SHA256
56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02
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SHA512
bbb1ebf3327a23fca6bd308fd2e7ea5c065f7fcff030f40a6bc5413ab60a45bde9a7ddf89ff4175f9f00a9715b956947c85bca1ab67c5210899dbf817b7c8e33
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SSDEEP
3072:JwIhRG/Je/c38E6tZqAwQh5dKnxo3CfNynXp5ucK1FaGaB0W+A:6IzkAwujSW+A
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" govaf.exe -
Executes dropped EXE 1 IoCs
pid Process 4844 govaf.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /e" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /q" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /f" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /i" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /u" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /w" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /q" 56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /p" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /a" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /b" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /t" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /y" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /g" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /x" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /s" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /k" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /d" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /o" govaf.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /j" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /r" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /l" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /z" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /n" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /v" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /h" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /c" govaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\govaf = "C:\\Users\\Admin\\govaf.exe /m" govaf.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 4356 56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe 4356 56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe 4844 govaf.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4356 56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe 4844 govaf.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4356 wrote to memory of 4844 4356 56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe 81 PID 4356 wrote to memory of 4844 4356 56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe 81 PID 4356 wrote to memory of 4844 4356 56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe"C:\Users\Admin\AppData\Local\Temp\56e0b01ebcd92ccf499cbbbbd595d809e79817fcac16fae7d7a5a8397f452b02.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4356 -
C:\Users\Admin\govaf.exe"C:\Users\Admin\govaf.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:4844
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
136KB
MD54ac529c5143764be354b620315809b0d
SHA16b1ac149cd74732b77de090fcef3c11957d01786
SHA25605e3b34a0b9b704b56ca949f9662eb6d4acdb679c4b343a186b58bd53780caa7
SHA5125fc7e87eb7b10eb9e2a638e30e4e0fc3ab7fe259d5142f5d259ccecad107b8c04debaa4afc1663fdbd505c1cf825607dff7b8a736eb823ddac449bb253024d10
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Filesize
136KB
MD54ac529c5143764be354b620315809b0d
SHA16b1ac149cd74732b77de090fcef3c11957d01786
SHA25605e3b34a0b9b704b56ca949f9662eb6d4acdb679c4b343a186b58bd53780caa7
SHA5125fc7e87eb7b10eb9e2a638e30e4e0fc3ab7fe259d5142f5d259ccecad107b8c04debaa4afc1663fdbd505c1cf825607dff7b8a736eb823ddac449bb253024d10