Analysis
- max time kernel
146s - max time network
125s - platform
windows7_x64 - resource
win7-20240611-en - resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-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 2188 set thread context of 2376 2188 8hd98EhtIFcYkb8.exe 28 PID 2376 set thread context of 1204 2376 8hd98EhtIFcYkb8.exe 21 PID 2376 set thread context of 2512 2376 8hd98EhtIFcYkb8.exe 31 PID 2512 set thread context of 1204 2512 chkntfs.exe 21 - 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 27 IoCs
pid Process 2376 8hd98EhtIFcYkb8.exe 2376 8hd98EhtIFcYkb8.exe 2376 8hd98EhtIFcYkb8.exe 2376 8hd98EhtIFcYkb8.exe 2376 8hd98EhtIFcYkb8.exe 2376 8hd98EhtIFcYkb8.exe 2376 8hd98EhtIFcYkb8.exe 2376 8hd98EhtIFcYkb8.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe 2512 chkntfs.exe - Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 2376 8hd98EhtIFcYkb8.exe 2376 8hd98EhtIFcYkb8.exe 2512 chkntfs.exe 2512 chkntfs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2188 wrote to memory of 2376 2188 8hd98EhtIFcYkb8.exe 28 PID 2188 wrote to memory of 2376 2188 8hd98EhtIFcYkb8.exe 28 PID 2188 wrote to memory of 2376 2188 8hd98EhtIFcYkb8.exe 28 PID 2188 wrote to memory of 2376 2188 8hd98EhtIFcYkb8.exe 28 PID 2188 wrote to memory of 2376 2188 8hd98EhtIFcYkb8.exe 28 PID 2188 wrote to memory of 2376 2188 8hd98EhtIFcYkb8.exe 28 PID 2188 wrote to memory of 2376 2188 8hd98EhtIFcYkb8.exe 28 PID 2376 wrote to memory of 2512 2376 8hd98EhtIFcYkb8.exe 31 PID 2376 wrote to memory of 2512 2376 8hd98EhtIFcYkb8.exe 31 PID 2376 wrote to memory of 2512 2376 8hd98EhtIFcYkb8.exe 31 PID 2376 wrote to memory of 2512 2376 8hd98EhtIFcYkb8.exe 31
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1204
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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:2188 -
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:2376 -
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:2512
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