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Analysis
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max time kernel
150s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 19:19
Static task
static1
Behavioral task
behavioral1
Sample
b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe
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Size
256KB
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MD5
d990e6e4144a671c3a0218e32d37e140
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SHA1
c89980c71db167dc4b970179d4afc8e745f62c14
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SHA256
b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396
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SHA512
a8b0b4effa5a0ba2f71b5218be31ec9a54bb298d9342cacf2a1ba9ec720b0a38ee32ffc372558a0218f46840391e2026d351a0dbf66487646525b42fe0252707
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SSDEEP
3072:c0bfWRrIMNRlZ62Pal2LBJXmzOHm5WZ3K+MC/OQ39cOaRr5ZOnd:cWepp3PJXCOGY3eKOQ39c
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" reovea.exe -
Executes dropped EXE 1 IoCs
pid Process 1324 reovea.exe -
Loads dropped DLL 2 IoCs
pid Process 1504 b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe 1504 b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /s" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /z" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /a" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /f" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /o" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /y" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /j" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /c" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /u" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /w" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /r" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /n" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /q" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /p" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /l" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /x" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /t" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /j" b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /h" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /k" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /v" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /e" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /i" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /d" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /b" reovea.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /m" reovea.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\reovea = "C:\\Users\\Admin\\reovea.exe /g" reovea.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 1504 b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe 1324 reovea.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1504 b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe 1324 reovea.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1504 wrote to memory of 1324 1504 b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe 26 PID 1504 wrote to memory of 1324 1504 b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe 26 PID 1504 wrote to memory of 1324 1504 b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe 26 PID 1504 wrote to memory of 1324 1504 b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe"C:\Users\Admin\AppData\Local\Temp\b46444b4a95459092a9deed148fcdc5266505d590f0e6c77be92654893525396.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Users\Admin\reovea.exe"C:\Users\Admin\reovea.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:1324
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
256KB
MD587558e8120dbd912edb2c92831ee1cc0
SHA1181e5cc9b642d6c038367bcb65b59bb027302612
SHA2563ef61594d995b13dd7ee9dac689ec89333cd0fcf7f9791d8f6a1a6762178476b
SHA512c5d027e9fd813138ad4de18a6075377cb59d0b5e16ad8aa91ed6286c015783cd31db2cc24a26e95462ad7f09d8ca423139ed7ee6feecab94198722621f8166b8
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Filesize
256KB
MD587558e8120dbd912edb2c92831ee1cc0
SHA1181e5cc9b642d6c038367bcb65b59bb027302612
SHA2563ef61594d995b13dd7ee9dac689ec89333cd0fcf7f9791d8f6a1a6762178476b
SHA512c5d027e9fd813138ad4de18a6075377cb59d0b5e16ad8aa91ed6286c015783cd31db2cc24a26e95462ad7f09d8ca423139ed7ee6feecab94198722621f8166b8
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Filesize
256KB
MD587558e8120dbd912edb2c92831ee1cc0
SHA1181e5cc9b642d6c038367bcb65b59bb027302612
SHA2563ef61594d995b13dd7ee9dac689ec89333cd0fcf7f9791d8f6a1a6762178476b
SHA512c5d027e9fd813138ad4de18a6075377cb59d0b5e16ad8aa91ed6286c015783cd31db2cc24a26e95462ad7f09d8ca423139ed7ee6feecab94198722621f8166b8
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Filesize
256KB
MD587558e8120dbd912edb2c92831ee1cc0
SHA1181e5cc9b642d6c038367bcb65b59bb027302612
SHA2563ef61594d995b13dd7ee9dac689ec89333cd0fcf7f9791d8f6a1a6762178476b
SHA512c5d027e9fd813138ad4de18a6075377cb59d0b5e16ad8aa91ed6286c015783cd31db2cc24a26e95462ad7f09d8ca423139ed7ee6feecab94198722621f8166b8