Analysis
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max time kernel
150s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
17-10-2022 09:10
Static task
static1
Behavioral task
behavioral1
Sample
80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe
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Size
248KB
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MD5
c1294c57900df4d359210018beb548c7
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SHA1
577e336071f2de76480c1863a8c978cf7d2d9893
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SHA256
80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696
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SHA512
f46dbe083ded4f11035002e2cd813d0b48116792f26f98816da6b4fd11fb66c2bfc6157c2525e686d7db411260522bd0df14e0ecb171226800a91dcbb9af791a
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SSDEEP
3072:0ATdqPc6llFNwWKLa6sVGAQhueB4n1xiTKm4lmi5BuWCsazWAL6:0G6T1K1sonB2xij4X2sazWAL
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yaseh.exe -
Executes dropped EXE 1 IoCs
pid Process 1376 yaseh.exe -
Loads dropped DLL 2 IoCs
pid Process 2004 80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe 2004 80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /J" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /f" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /k" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /p" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /P" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /s" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /Z" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /I" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /X" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /H" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /Q" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /A" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /R" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /W" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /B" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /v" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /h" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /d" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /m" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /l" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /G" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /L" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /t" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /U" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /n" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /b" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /E" yaseh.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /C" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /M" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /T" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /w" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /z" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /V" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /u" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /c" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /a" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /N" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /q" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /y" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /K" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /D" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /r" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /o" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /F" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /i" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /j" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /e" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /Y" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /g" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /S" yaseh.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yaseh = "C:\\Users\\Admin\\yaseh.exe /O" yaseh.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 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe 1376 yaseh.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2004 80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe 1376 yaseh.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2004 wrote to memory of 1376 2004 80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe 28 PID 2004 wrote to memory of 1376 2004 80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe 28 PID 2004 wrote to memory of 1376 2004 80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe 28 PID 2004 wrote to memory of 1376 2004 80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe"C:\Users\Admin\AppData\Local\Temp\80353d1ea9f9a9d47ac994583ede95cfce98e7fb24b53e433c60789c2cc73696.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Users\Admin\yaseh.exe"C:\Users\Admin\yaseh.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:1376
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
248KB
MD5f2e17c90673a0fd6bdc9d978910674c0
SHA131ed6d2c906f0c6a32b8a5d535d1de93adef55fd
SHA2564a9413d08dae12716393c772901e9b6d6e6a27c192b430b1076d248dc73b0099
SHA512ee1259c663588f6c5f254288695a212859811456dc0ac93888312cf53582743b01732281b6ef1e6b33ed5f4de516e465fac6b48472d86e4d51965ac4c8acbf7a
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Filesize
248KB
MD5f2e17c90673a0fd6bdc9d978910674c0
SHA131ed6d2c906f0c6a32b8a5d535d1de93adef55fd
SHA2564a9413d08dae12716393c772901e9b6d6e6a27c192b430b1076d248dc73b0099
SHA512ee1259c663588f6c5f254288695a212859811456dc0ac93888312cf53582743b01732281b6ef1e6b33ed5f4de516e465fac6b48472d86e4d51965ac4c8acbf7a
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Filesize
248KB
MD5f2e17c90673a0fd6bdc9d978910674c0
SHA131ed6d2c906f0c6a32b8a5d535d1de93adef55fd
SHA2564a9413d08dae12716393c772901e9b6d6e6a27c192b430b1076d248dc73b0099
SHA512ee1259c663588f6c5f254288695a212859811456dc0ac93888312cf53582743b01732281b6ef1e6b33ed5f4de516e465fac6b48472d86e4d51965ac4c8acbf7a
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Filesize
248KB
MD5f2e17c90673a0fd6bdc9d978910674c0
SHA131ed6d2c906f0c6a32b8a5d535d1de93adef55fd
SHA2564a9413d08dae12716393c772901e9b6d6e6a27c192b430b1076d248dc73b0099
SHA512ee1259c663588f6c5f254288695a212859811456dc0ac93888312cf53582743b01732281b6ef1e6b33ed5f4de516e465fac6b48472d86e4d51965ac4c8acbf7a