Analysis
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max time kernel
154s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-11-2022 15:06
Static task
static1
Behavioral task
behavioral1
Sample
9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe
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Size
220KB
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MD5
0f73ab0b681ee666c15f838acd1209d4
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SHA1
478e7bae9a051dbd7e4907f14aa0f21e4c1bd4fe
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SHA256
9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1
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SHA512
605c7428994afe5257044884cc075d58cbf9f895bd794bd59503cc7e26e005bbe69a31587595ae5f49e88f6bd516fbd130ef9aa715f2976f64715fad2d09a5ed
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SSDEEP
3072:2OPuvSeyPfo7vvrFKkDSkA7RZzHUZAoNEqxmz2:7neb7vvWVdHUZ/
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" hufup.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe -
Executes dropped EXE 1 IoCs
pid Process 4840 hufup.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 9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.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\hufup = "C:\\Users\\Admin\\hufup.exe /f" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /e" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /n" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /z" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /v" 9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /s" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /x" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /r" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /d" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /p" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /y" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /j" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /w" hufup.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /b" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /u" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /c" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /m" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /q" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /t" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /g" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /v" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /h" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /o" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /i" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /k" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /l" hufup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hufup = "C:\\Users\\Admin\\hufup.exe /a" hufup.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 1180 9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe 1180 9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe 4840 hufup.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1180 9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe 4840 hufup.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1180 wrote to memory of 4840 1180 9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe 82 PID 1180 wrote to memory of 4840 1180 9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe 82 PID 1180 wrote to memory of 4840 1180 9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.exe"C:\Users\Admin\AppData\Local\Temp\9f3837c71a113369dbc3c14b565405f1e88fd624260ea6209646d8b968afc0d1.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:1180 -
C:\Users\Admin\hufup.exe"C:\Users\Admin\hufup.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:4840
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
220KB
MD52f1f1b64c4894feda252548663410062
SHA14611d58a15e3e1ae98042e38a0561c880d085f2c
SHA2567ed650323bab7815421a4b4fee9745c87a331c8bfe63ed7d2daca622e09c0e11
SHA512c4c98c690c583f1e90599557245b767b095e1e3b6a453c766cf3f522a482ed4b60727df3f90f4a7ec810f5ab207b39c6cea5d5bf2f3bb8c577912a2c4abbe88c
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Filesize
220KB
MD52f1f1b64c4894feda252548663410062
SHA14611d58a15e3e1ae98042e38a0561c880d085f2c
SHA2567ed650323bab7815421a4b4fee9745c87a331c8bfe63ed7d2daca622e09c0e11
SHA512c4c98c690c583f1e90599557245b767b095e1e3b6a453c766cf3f522a482ed4b60727df3f90f4a7ec810f5ab207b39c6cea5d5bf2f3bb8c577912a2c4abbe88c