Analysis
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max time kernel
188s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 16:34
Static task
static1
Behavioral task
behavioral1
Sample
f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe
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Size
204KB
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MD5
15e6f62ec03f3a0bc72ced525250fa5c
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SHA1
2d91dc79e9a1332dc20c393fa177ee59fa6631fe
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SHA256
f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1
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SHA512
0c4a4202d671df0baa9e9d509f84711aebdf6721dc90e3c29b4cfe3a386f6485367b948e8f8977053f8f0f7944a7598b18dc1c2a23a0cfcfdcec71b9de0bff66
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SSDEEP
3072:NVe8ACpPNp5U+mzihKh8wpzDqulR3X9sDpLg6ZGKIXeYnVlDY:NVe8p/EV82llbs1g6+XbVS
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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" dkmek.exe -
Executes dropped EXE 1 IoCs
pid Process 520 dkmek.exe -
Loads dropped DLL 2 IoCs
pid Process 896 f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe 896 f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe -
Adds Run key to start application 2 TTPs 50 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /K" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /J" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /i" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /z" f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /j" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /o" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /c" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /d" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /e" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /R" dkmek.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /u" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /F" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /X" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /Y" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /v" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /s" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /h" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /r" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /W" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /Z" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /g" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /S" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /m" dkmek.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /L" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /E" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /l" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /n" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /B" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /G" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /V" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /f" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /k" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /D" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /H" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /q" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /y" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /p" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /t" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /a" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /A" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /O" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /C" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /Q" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /N" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /P" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /x" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /b" dkmek.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkmek = "C:\\Users\\Admin\\dkmek.exe /U" dkmek.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 896 f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe 520 dkmek.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 896 f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe 520 dkmek.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 896 wrote to memory of 520 896 f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe 28 PID 896 wrote to memory of 520 896 f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe 28 PID 896 wrote to memory of 520 896 f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe 28 PID 896 wrote to memory of 520 896 f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.exe"C:\Users\Admin\AppData\Local\Temp\f26ebee80b90a43414717778edcdaee1a948f41776e9dc5ab3ac46b738d046c1.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:896 -
C:\Users\Admin\dkmek.exe"C:\Users\Admin\dkmek.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:520
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD5daefb35e787b9d18c9089149ff00f0c8
SHA17887244248d041595e17993f502788f3498d76c7
SHA256ed6d388d4e204d8424b15e141eebef464eafbfeb5966e0066d11ee828d78b45d
SHA512dc53dc034acd4e6c6fa6cc81e549a0ff6cbdc9957ec567e251a294356708746f62c230f357a73c508c9a67dfd667417a86de0bcc54631ebe1554f71533d84faa
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Filesize
204KB
MD5daefb35e787b9d18c9089149ff00f0c8
SHA17887244248d041595e17993f502788f3498d76c7
SHA256ed6d388d4e204d8424b15e141eebef464eafbfeb5966e0066d11ee828d78b45d
SHA512dc53dc034acd4e6c6fa6cc81e549a0ff6cbdc9957ec567e251a294356708746f62c230f357a73c508c9a67dfd667417a86de0bcc54631ebe1554f71533d84faa
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Filesize
204KB
MD5daefb35e787b9d18c9089149ff00f0c8
SHA17887244248d041595e17993f502788f3498d76c7
SHA256ed6d388d4e204d8424b15e141eebef464eafbfeb5966e0066d11ee828d78b45d
SHA512dc53dc034acd4e6c6fa6cc81e549a0ff6cbdc9957ec567e251a294356708746f62c230f357a73c508c9a67dfd667417a86de0bcc54631ebe1554f71533d84faa
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Filesize
204KB
MD5daefb35e787b9d18c9089149ff00f0c8
SHA17887244248d041595e17993f502788f3498d76c7
SHA256ed6d388d4e204d8424b15e141eebef464eafbfeb5966e0066d11ee828d78b45d
SHA512dc53dc034acd4e6c6fa6cc81e549a0ff6cbdc9957ec567e251a294356708746f62c230f357a73c508c9a67dfd667417a86de0bcc54631ebe1554f71533d84faa