Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
30-10-2022 00:19
Static task
static1
Behavioral task
behavioral1
Sample
12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe
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Size
288KB
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MD5
9284af880ac3f1351aaa123cb4ffc5dc
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SHA1
41ad7fab5fb6b967a0122aed163a01a557286761
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SHA256
12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39
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SHA512
1a83f591bafa074c3af96b451712979beb73aa58c31432b82f0efc8d32e32a7f3a2582d9678e992a71d5db7349cc14f10a49949b3739c0a4404553d23ac47d24
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SSDEEP
6144:4/iJTAN+tytpx96Hg02BCh3FZuhbYaxUG2nIVKUut3:4/iJTfyDxsHg02BCh3FZuhbYaxUG2nB/
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gaasiu.exe -
Executes dropped EXE 1 IoCs
pid Process 4804 gaasiu.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /R" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /a" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /L" 12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /O" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /V" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /P" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /C" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /q" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /h" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /s" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /W" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /M" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /H" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /t" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /B" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /D" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /f" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /Y" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /I" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /G" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /w" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /r" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /l" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /d" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /k" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /m" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /v" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /g" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /K" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /S" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /U" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /x" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /u" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /i" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /p" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /c" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /A" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /T" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /o" gaasiu.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /b" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /J" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /n" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /Q" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /F" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /X" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /Z" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /e" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /y" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /L" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /N" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /E" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /j" gaasiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gaasiu = "C:\\Users\\Admin\\gaasiu.exe /z" gaasiu.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 1016 12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe 1016 12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe 4804 gaasiu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1016 12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe 4804 gaasiu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1016 wrote to memory of 4804 1016 12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe 85 PID 1016 wrote to memory of 4804 1016 12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe 85 PID 1016 wrote to memory of 4804 1016 12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.exe"C:\Users\Admin\AppData\Local\Temp\12964c4fe9d9955533b823af838535535368d5e5d84952854ade666adc1cdf39.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:1016 -
C:\Users\Admin\gaasiu.exe"C:\Users\Admin\gaasiu.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:4804
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
288KB
MD53ab5a7dce499debc8ce9456a47779f3f
SHA14943d575487212daffaac5355ee9ee967be3c60d
SHA2565b90927292804a2a96373952e21f864762483db111c9058c513c0cade8680c9e
SHA5122eec383bab798fcff25483614715ee00e0ccec3dc76c86ca71623ae7ab16e72b6575c5118e5f0b6f035fdd07d1f011c92ee15de8a32d08b111f7a9699ac52f5f
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Filesize
288KB
MD53ab5a7dce499debc8ce9456a47779f3f
SHA14943d575487212daffaac5355ee9ee967be3c60d
SHA2565b90927292804a2a96373952e21f864762483db111c9058c513c0cade8680c9e
SHA5122eec383bab798fcff25483614715ee00e0ccec3dc76c86ca71623ae7ab16e72b6575c5118e5f0b6f035fdd07d1f011c92ee15de8a32d08b111f7a9699ac52f5f