Analysis
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max time kernel
142s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
26/05/2024, 09:32
Behavioral task
behavioral1
Sample
75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe
Resource
win10v2004-20240508-en
General
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Target
75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe
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Size
7.1MB
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MD5
4bf2e67583e9436eb0281657f8c512d6
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SHA1
d4b95b0237bbea566599a08871780f0876840137
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SHA256
75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d
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SHA512
0514e851fde655d686ed73e8c9776713550abece4a592f0c8ecfb5d8b0fea46f4005856fbaadf752eaf94974b3cf090760f6b159e953d4b654ebe4ccd61d0d4e
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SSDEEP
98304:EbGkSM3n+WYFSLUhjquhPf6anUQRRLu6C+YTF3q9SzNx06evtwL485wFal6MaB:YGKn5ovhjLFSan1ugYXNYOLZN8B
Malware Config
Signatures
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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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe -
Executes dropped EXE 1 IoCs
pid Process 4972 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe -
Loads dropped DLL 2 IoCs
pid Process 3384 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe 4972 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe -
resource yara_rule behavioral2/memory/3384-0-0x0000000000400000-0x0000000000D2F000-memory.dmp upx behavioral2/files/0x0007000000023433-10.dat upx behavioral2/memory/3384-20-0x0000000000400000-0x0000000000D2F000-memory.dmp upx behavioral2/memory/4972-21-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-67-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-64-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-62-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-61-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-58-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-56-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-54-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-50-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-48-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-46-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-44-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-42-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-40-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-38-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-34-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-32-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-30-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-28-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-26-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-25-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-24-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-52-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-36-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-23-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-72-0x0000000000400000-0x0000000000D2F000-memory.dmp upx behavioral2/memory/4972-74-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4972-81-0x0000000000400000-0x0000000000D2F000-memory.dmp upx -
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.
description ioc Process File opened for modification \??\PhysicalDrive0 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4972 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4972 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3384 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe 4972 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe 4972 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe 4972 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe 4972 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe 4972 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3384 wrote to memory of 4972 3384 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe 85 PID 3384 wrote to memory of 4972 3384 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe 85 PID 3384 wrote to memory of 4972 3384 75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe"C:\Users\Admin\AppData\Local\Temp\75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3384 -
C:\kaidisoft\bilibilivideo\75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe"C:\kaidisoft\bilibilivideo\75180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4972
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
10.6MB
MD550c266e46ccf9bc8956279f78d51f205
SHA10ba5b98a91a9a019cd9b87cf01796c65ee6a0839
SHA256c58e066a293ff260037487d37e37bf3d890c16383d817c7573dab51c514cbd00
SHA5127350a82820faeba3172fad3d87b04c6a2967b797a321a78a53e7156c37fed4661a66d2f78e2f3ddbcbc0d10a56f5d761f7eb761f05d2841568b34841c17e0d37
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Filesize
7.1MB
MD54bf2e67583e9436eb0281657f8c512d6
SHA1d4b95b0237bbea566599a08871780f0876840137
SHA25675180f8b9b6b3e79a9ef09a9fba5c4b7125ac8e1c9994d41430cbd9fcad8264d
SHA5120514e851fde655d686ed73e8c9776713550abece4a592f0c8ecfb5d8b0fea46f4005856fbaadf752eaf94974b3cf090760f6b159e953d4b654ebe4ccd61d0d4e