Analysis
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max time kernel
93s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
29-03-2023 08:32
Static task
static1
Behavioral task
behavioral1
Sample
46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exe
Resource
win10v2004-20230220-en
General
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Target
46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exe
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Size
5.5MB
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MD5
af7d653c5b1820e024900ae54cfdcd90
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SHA1
fa805aee94e55c5e4c0c9ecc7c784860064bf9b2
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SHA256
46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d
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SHA512
21759ace404871ef3f158a77ffdbe5205051cfb96b48839a1e53fc8d969154d658d15d962d4b2b44e233fb2e08ea6d54f93a7ed9ea49fd43be49e5fab4083a6c
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SSDEEP
98304:iOtNGVvfLObA94jMg7d988Z+29mMN9bCABGf5w12WP6VCzrPt4lsinrh:3tKfLL94jXg29Xj+h546oz+S8rh
Malware Config
Signatures
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Loads dropped DLL 2 IoCs
Processes:
46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exepid process 3420 46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exe 3420 46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exedescription ioc process File opened for modification \??\PhysicalDrive0 46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.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 2 IoCs
Processes:
46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exepid process 3420 46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exe 3420 46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exepid process 3420 46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exe 3420 46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exe"C:\Users\Admin\AppData\Local\Temp\46eeaaec5999a27ae6e6b9e31bd90fabd756c2938455299ee20c6f0929cf0f5d.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\nsy9DBE.tmp\System.dllFilesize
22KB
MD5a321954c01a0fe650a9f73975243e22f
SHA1cbdaadb3f5183a50cfba66be70249f54d6dfda57
SHA2565e3cabdfdffbaaf3a43c9b8fb8eeae99f818ff9f8c0a9ab7c516b9393fa552de
SHA512cdc5a3c270da0717c301492581687685bd2d7399d4166371d74886722009f6a8e93670c631230ae6fa35121c049ca38d94b27d5e52d6d95cda68fc6d0ba229a7
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C:\Users\Admin\AppData\Local\Temp\nsy9DBE.tmp\insthelper.dllFilesize
2.7MB
MD51eb8a3620d689a8daff118422341b60d
SHA1ac647d240f358f564a335b817154009c4c66d41b
SHA2568416dc736c80e69a480fc75f3376573f19a7a3e3881217f954f2fa91e6101893
SHA5122a3d48225022e8a9cf9a701eeb09622d77ff2cdfce0a3534eaecb458fd3cad3d959af90f8dd4496d7df97a23036d85ddb78f41c21d8bb6c2a2eb418eee8ac54b
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C:\Users\Admin\AppData\Local\Temp\nsy9DBE.tmp\insthelper.dllFilesize
2.7MB
MD51eb8a3620d689a8daff118422341b60d
SHA1ac647d240f358f564a335b817154009c4c66d41b
SHA2568416dc736c80e69a480fc75f3376573f19a7a3e3881217f954f2fa91e6101893
SHA5122a3d48225022e8a9cf9a701eeb09622d77ff2cdfce0a3534eaecb458fd3cad3d959af90f8dd4496d7df97a23036d85ddb78f41c21d8bb6c2a2eb418eee8ac54b
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C:\Users\Admin\AppData\Local\Temp\nsy9DBE.tmp\res\skin\btn_close.pngFilesize
1KB
MD5d6d22365523a1dd214388b5335366ae4
SHA18a0f196a3a728bef47a3aeb07cff55259d76aba5
SHA256141a2c83dd24e39b9f9e15e30b9a6bc860aeb36ed42e945ab35107c9f75ea285
SHA512f606065c3f8b61398820de73d8d6b0e803be321e6859af25037eabe68f01a34c894e0809f785426d2f9e6c8246e9fc2aef34190b9f9e122acc2cef3c99f46168