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Analysis
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max time kernel
179s -
max time network
206s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 23:40
Static task
static1
Behavioral task
behavioral1
Sample
61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe
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Size
156KB
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MD5
e46a029ce172d523438741cee086077c
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SHA1
711bb888eab2a7282f5649da091ee1303b8a16d1
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SHA256
61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059
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SHA512
51b9884dfdb6241a19cdd968b01720389f0f465d0139187a2d556c2bfe193b2005622a13582275b7ac92e54bc20ff752eb0a4ad110088f1f3a2ca8bd7ff71048
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SSDEEP
1536:Vtan4ngzp0B89NuRe305Xrud5N9jRMmBUKH7zD87/u+JcBqVbv1BsbhbEle+RReZ:AogeuufubFKVXcBqB1BGSjNX
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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" suafu.exe -
Executes dropped EXE 1 IoCs
pid Process 2800 suafu.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation 61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /j" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /l" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /q" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /g" suafu.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /z" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /o" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /a" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /f" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /v" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /c" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /s" suafu.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /r" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /y" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /n" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /t" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /p" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /m" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /e" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /i" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /b" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /h" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /k" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /p" 61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /x" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /u" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /d" suafu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suafu = "C:\\Users\\Admin\\suafu.exe /w" suafu.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 1324 61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe 1324 61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe 2800 suafu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1324 61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe 2800 suafu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1324 wrote to memory of 2800 1324 61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe 85 PID 1324 wrote to memory of 2800 1324 61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe 85 PID 1324 wrote to memory of 2800 1324 61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.exe"C:\Users\Admin\AppData\Local\Temp\61640cb49e64543ad5dc67d80e8415f34b97149fc2f1313da62b9b7b21a81059.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:1324 -
C:\Users\Admin\suafu.exe"C:\Users\Admin\suafu.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:2800
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
156KB
MD55130e923ca2e31e757d8b87b82e9938c
SHA129aa00a954a7543d1bffc0a8437c9bc04ec171fa
SHA256f9386be8ddc754927d2844fbb4c51924c2971fd53674af73d12da33dd6dd5c23
SHA512e7bb2e58818306b52745ab722a263dc2d380eaf686855a179a35a77b3d177b00537a9d8ec8b375775b76653cd0b029fffe1c929f35539ba09f4aba2d29d348a4
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Filesize
156KB
MD55130e923ca2e31e757d8b87b82e9938c
SHA129aa00a954a7543d1bffc0a8437c9bc04ec171fa
SHA256f9386be8ddc754927d2844fbb4c51924c2971fd53674af73d12da33dd6dd5c23
SHA512e7bb2e58818306b52745ab722a263dc2d380eaf686855a179a35a77b3d177b00537a9d8ec8b375775b76653cd0b029fffe1c929f35539ba09f4aba2d29d348a4