Analysis
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max time kernel
151s -
max time network
176s -
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, 15:20
Static task
static1
Behavioral task
behavioral1
Sample
d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe
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Size
168KB
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MD5
047761379d5935a4058122a2470eacbe
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SHA1
915d4d74ae237a1210777c9b567730773d630034
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SHA256
d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686
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SHA512
9753070b69cdf43dee2706a39c4ad47293f9cd1f35fd2952ebe1e197fca959b1a461cda831a24a7c79c3e4b4af091b3a67fb98dbcefc2185a21ed9056da4789a
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SSDEEP
3072:DKhymvVqFfeKiGLOlx6ktpl/umGZPvX8T0wAt72FREQC2mX:DKh3WznOlx6kt/q5zwAtbv
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" rieada.exe -
Executes dropped EXE 1 IoCs
pid Process 1368 rieada.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /n" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /h" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /x" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /e" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /j" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /a" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /v" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /d" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /m" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /p" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /i" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /k" rieada.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /t" d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /c" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /b" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /o" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /t" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /y" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /f" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /z" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /q" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /g" rieada.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /u" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /w" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /l" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /r" rieada.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rieada = "C:\\Users\\Admin\\rieada.exe /s" rieada.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 4744 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 4744 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe 1368 rieada.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4744 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 1368 rieada.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4744 wrote to memory of 1368 4744 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 81 PID 4744 wrote to memory of 1368 4744 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 81 PID 4744 wrote to memory of 1368 4744 d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.exe"C:\Users\Admin\AppData\Local\Temp\d1f620fa435556e3e468054e97631f5ae4ba3d6a10bffcf2dbfdc6fce53f4686.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:4744 -
C:\Users\Admin\rieada.exe"C:\Users\Admin\rieada.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:1368
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
168KB
MD5a87adb304873e28918ef75f232d571ea
SHA1a46a872ae27a97d6dd56ab75f00a23399183cb41
SHA2569c9771d508f80ae83941744a4cf3998868a6eea8465007819685f788732acb2a
SHA512738c379c3ce847b6e2adb88576ddc391b350c318c02954c08d5585a6683a141ba4e9cac65ecbf3e173836ae12f81993cb3e903ecc2383d23dbe512d28630a14d
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Filesize
168KB
MD5a87adb304873e28918ef75f232d571ea
SHA1a46a872ae27a97d6dd56ab75f00a23399183cb41
SHA2569c9771d508f80ae83941744a4cf3998868a6eea8465007819685f788732acb2a
SHA512738c379c3ce847b6e2adb88576ddc391b350c318c02954c08d5585a6683a141ba4e9cac65ecbf3e173836ae12f81993cb3e903ecc2383d23dbe512d28630a14d