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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
03/10/2022, 16:27
Static task
static1
Behavioral task
behavioral1
Sample
15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe
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Size
328KB
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MD5
3b3e5735ff623b828ade3ef9b29248e0
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SHA1
364fe060ced5a06f4e1d318ca3b91f190fc8c2e1
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SHA256
15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3
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SHA512
ff197661d218822861f5e0fde92651e7e3737333a4cc84c77eafd2b74d1b5365a82a6fa598d3d1cf9b6a6ff12404082d9557bf2e78c73d4fd79c4cfab74bf5a9
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SSDEEP
3072:aaS1jxKgNxe3uD7mEVSuekhGkYrQRVZq3eFo4ejLnlQISQLpyhZu6qyKT4pS04/F:qnNxx2WGk1Y3nmQcuyKT4wLOdRNw
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" giakia.exe -
Executes dropped EXE 1 IoCs
pid Process 1308 giakia.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /w" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /c" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /z" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /i" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /y" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /v" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /p" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /f" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /x" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /k" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /g" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /d" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /m" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /r" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /t" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /n" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /s" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /q" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /j" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /a" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /b" giakia.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /u" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /k" 15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /h" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /l" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /e" giakia.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\giakia = "C:\\Users\\Admin\\giakia.exe /o" giakia.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 1104 15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe 1104 15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe 1308 giakia.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1104 15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe 1308 giakia.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1104 wrote to memory of 1308 1104 15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe 83 PID 1104 wrote to memory of 1308 1104 15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe 83 PID 1104 wrote to memory of 1308 1104 15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.exe"C:\Users\Admin\AppData\Local\Temp\15cdd3dc3951cd5368ee85d37aa7228ed9aabfb8c6235342f76741709a2988c3.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:1104 -
C:\Users\Admin\giakia.exe"C:\Users\Admin\giakia.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:1308
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
328KB
MD56ff8d5776a715514fae7f5ef75ec69e2
SHA1212792a745ad7d01a68066eb31b1eca50bfc22f6
SHA2561070ef07c3ff677c72a95543183be81d00f7cbdfafa905747f201708d52f29b4
SHA5126bd3ba6472afb3e1a03147658ce8a86a5df256cb807aa26f5078428a163fd7e7268ba82ef1c88b367b64021644de87869a368d5a84d95d9bec14284e63524a9d
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Filesize
328KB
MD56ff8d5776a715514fae7f5ef75ec69e2
SHA1212792a745ad7d01a68066eb31b1eca50bfc22f6
SHA2561070ef07c3ff677c72a95543183be81d00f7cbdfafa905747f201708d52f29b4
SHA5126bd3ba6472afb3e1a03147658ce8a86a5df256cb807aa26f5078428a163fd7e7268ba82ef1c88b367b64021644de87869a368d5a84d95d9bec14284e63524a9d