Analysis
- max time kernel
147s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
01/07/2024, 17:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8hd98EhtIFcYkb8.exe
Resource
win7-20240611-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
8hd98EhtIFcYkb8.exe
Resource
win10v2004-20240226-en
5 signatures
150 seconds
General
- Target 8hd98EhtIFcYkb8.exe
- Size 670KB
- Sample240701-vxj38atfml
- SHA256 c42f31c68ee4a14aec74ddce249314d00813289dc36740484b09ceadf72aa0f8
- MD5 677b2d2d3a54e0c1d8e416b276093fb3
- SHA1 22b6aa9e97cf16d55aa16dcc20fea67f9806d09c
- SHA512 43dba02ce5e096eaf44a6a623737b89a8d89e98995b7bdfa7f17a8e4f0e93417c0a63c4a066f760a1c762e5d058461bf4af6d31c949b7d5bf2f4d7b750921945
- SSDEEP 12288:Efqy6lRPMqNMCXnIfd8SLLov+I6rDqAgdf3Gqsrj0Tfh3PFvwxgpNQKA5Go5tdZ:oIRVV3e7LI6vQMj0Tfh26NQco5td
- MD5 SHA1 SHA512 SSDEEP
Score
5/10
Malware Config
Signatures
- Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 5112 set thread context of 5008 5112 8hd98EhtIFcYkb8.exe 100 PID 5008 set thread context of 3316 5008 8hd98EhtIFcYkb8.exe 57 PID 5008 set thread context of 412 5008 8hd98EhtIFcYkb8.exe 101 PID 412 set thread context of 3316 412 chkntfs.exe 57 - Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkntfs.exe - Suspicious behavior: EnumeratesProcesses 36 IoCs
pid Process 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe 412 chkntfs.exe - Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 5008 8hd98EhtIFcYkb8.exe 5008 8hd98EhtIFcYkb8.exe 412 chkntfs.exe 412 chkntfs.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5112 wrote to memory of 5008 5112 8hd98EhtIFcYkb8.exe 100 PID 5112 wrote to memory of 5008 5112 8hd98EhtIFcYkb8.exe 100 PID 5112 wrote to memory of 5008 5112 8hd98EhtIFcYkb8.exe 100 PID 5112 wrote to memory of 5008 5112 8hd98EhtIFcYkb8.exe 100 PID 5112 wrote to memory of 5008 5112 8hd98EhtIFcYkb8.exe 100 PID 5112 wrote to memory of 5008 5112 8hd98EhtIFcYkb8.exe 100 PID 5008 wrote to memory of 412 5008 8hd98EhtIFcYkb8.exe 101 PID 5008 wrote to memory of 412 5008 8hd98EhtIFcYkb8.exe 101 PID 5008 wrote to memory of 412 5008 8hd98EhtIFcYkb8.exe 101
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3316
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C:\Users\Admin\AppData\Local\Temp\8hd98EhtIFcYkb8.exe"C:\Users\Admin\AppData\Local\Temp\8hd98EhtIFcYkb8.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Users\Admin\AppData\Local\Temp\8hd98EhtIFcYkb8.exe"C:\Users\Admin\AppData\Local\Temp\8hd98EhtIFcYkb8.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5008 -
C:\Windows\SysWOW64\chkntfs.exe"C:\Windows\SysWOW64\chkntfs.exe"4⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:412
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3644 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:81⤵PID:3940