Analysis
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max time kernel
142s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
24/11/2023, 20:00
Static task
static1
Behavioral task
behavioral1
Sample
40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe
Resource
win10v2004-20231020-en
General
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Target
40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe
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Size
14.5MB
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MD5
f4de58393b1261566a4d129278f76c91
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SHA1
f86d7cc285478f0f046ab22dba6244981a0f28c1
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SHA256
40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978
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SHA512
6d22847b999bdbb3b1d5c385b3f8ac751221fb3ead35ff77dc649c2e7cacfa711bb43579a73e108445cda4bb20c7b8f80792982a806bf9827257b7c9b0c3245f
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SSDEEP
393216:gA/0QWxLcSL7oeGEblg/EYIDgwWknoO+bUFevt:gjQWNcSL7QEb6JIswWknoO+b5t
Malware Config
Signatures
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10" 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100" 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20" 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\International\CpMRU 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1" 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe -
Suspicious behavior: EnumeratesProcesses 34 IoCs
pid Process 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1892 wrote to memory of 2088 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 90 PID 1892 wrote to memory of 2088 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 90 PID 1892 wrote to memory of 2088 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 90 PID 1892 wrote to memory of 3716 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 91 PID 1892 wrote to memory of 3716 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 91 PID 1892 wrote to memory of 3716 1892 40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe"C:\Users\Admin\AppData\Local\Temp\40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Windows\SysWOW64\cmd.execmd /c del "C:\Users\Admin\AppData\Local\Temp\*03e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exe"2⤵PID:2088
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C:\Windows\SysWOW64\cmd.execmd /c del "C:\Users\Admin\AppData\Local\Temp\*.dll"2⤵PID:3716
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\40503e287ab71927df9389405f8f75d35299736ee1e0cd813605d03d3d250978.exepack.tmp
Filesize2KB
MD52da3deba5f134c4fffcd557789ff42fe
SHA1eb96ba3ea478e84251b18f0ad77181938075edde
SHA25662056286fbe574327b8fe2b0b899e73b9c155e7af5899ed41acf5550843625f8
SHA512f66988b6be82ada5f27652bed6a807ceea5ba9b1cc57f8e821cd2f912db3ecb99c461d74ca943b29ef0e1b79b0d3f559c5c45047de6d9a399517bff43631574b
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Filesize
2KB
MD5e7961185048d7fea2d128bcc1fd34ec6
SHA15e578a27cb14a3ada6f9e66418b0484fb7d34bfd
SHA25662ad1629c7edd9c08c89ca837832838ed9553e2b1c78146f07346556247cb2c3
SHA512f848a48cd014bc6dddcdecededf25e2d750b1d33ee10d10b3d738cfb4a9bd3fa5466570f0b7f9c25b00b08423960508f811c53efd73e622c72a338f8a52eb83b
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Filesize
1KB
MD5c0d7496332120d41a7e02d3411d9c5dc
SHA1e6ba7a30c5f3f86b57f48e61cfec77861492f223
SHA256538e316246ac4dbba92b1e7af7d195c67e5cdb096ead70f5a795450bfafdab7c
SHA51231f720082fa8c66e04f3ef833acd8073c75ae98ba6ce6eae81b22c422c2fff673a39b9963cc65d9e8ddb144d261c0fcb87ae826979cc28044abda6be9658ef08