Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
21/11/2022, 15:22
Static task
static1
Behavioral task
behavioral1
Sample
af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe
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Size
236KB
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MD5
101000eaf7d158e8643ed23b273c81c0
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SHA1
a6c25922c9a6d31c40986e8bec35448068f27a59
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SHA256
af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844
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SHA512
63dbfbd6ef1f979b1f4b70424e7ff17f238c7afdb5c5f06626a6db6bcf9d470592e5c63b9531c1ca92ce3afa826a0081609ed754bf9b8573e7604048751ff25b
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SSDEEP
3072:m6VlhsJ0QsvyMZeIT51B8u0gWCyiHCUPqgxh:MSQuyMwItf8u0gWCyiHCm
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" af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" mklael.exe -
Executes dropped EXE 1 IoCs
pid Process 540 mklael.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 af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.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\mklael = "C:\\Users\\Admin\\mklael.exe /n" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /z" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /u" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /m" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /k" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /y" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /k" af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /h" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /x" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /o" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /t" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /p" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /g" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /r" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /e" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /d" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /j" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /l" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /w" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /c" mklael.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /b" mklael.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /v" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /f" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /q" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /s" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /a" mklael.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mklael = "C:\\Users\\Admin\\mklael.exe /i" mklael.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 3144 af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe 3144 af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe 540 mklael.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3144 af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe 540 mklael.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3144 wrote to memory of 540 3144 af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe 80 PID 3144 wrote to memory of 540 3144 af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe 80 PID 3144 wrote to memory of 540 3144 af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.exe"C:\Users\Admin\AppData\Local\Temp\af8e0afd7bcf460130d627bd521b201af504d23beaefdd616c9254bd89d17844.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:3144 -
C:\Users\Admin\mklael.exe"C:\Users\Admin\mklael.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:540
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
236KB
MD5b831087c3d3eeb5b0f776a331001af7b
SHA14b5b10f55e06c77e77866b1db922df88ee30a399
SHA2567df446a9c6158bca4d600b93fbabb883a40cf0c8d609ae70bbe3fade4afdebac
SHA5129e5ce26520e9082d31c43084a9b3b9bc80f53f0c953e584329ac9d0ade68f065df070586947a32d1d981a96fe258ef6e485530925a49b57fd271e66e448f4707
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Filesize
236KB
MD5b831087c3d3eeb5b0f776a331001af7b
SHA14b5b10f55e06c77e77866b1db922df88ee30a399
SHA2567df446a9c6158bca4d600b93fbabb883a40cf0c8d609ae70bbe3fade4afdebac
SHA5129e5ce26520e9082d31c43084a9b3b9bc80f53f0c953e584329ac9d0ade68f065df070586947a32d1d981a96fe258ef6e485530925a49b57fd271e66e448f4707