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Analysis
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max time kernel
149s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
31/12/2023, 03:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
25c54e971344a896355e2e1dc9ed9460.exe
Resource
win7-20231129-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
25c54e971344a896355e2e1dc9ed9460.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
25c54e971344a896355e2e1dc9ed9460.exe
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Size
400KB
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MD5
25c54e971344a896355e2e1dc9ed9460
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SHA1
a8f1ca641727c6553dfbb915c370bb6a380363a4
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SHA256
d44f6c767e1cf79b97bd8ed95dc4d887116e275cbb58c86f52e1191a87578425
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SHA512
e4d99d6bc4343d4179ec440392e0490ad63139a3967f7f484786ec6e370f96096263b1a3d9c54a9f2e49cb52234257efb01205fade354dd4337387bcd2071128
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SSDEEP
1536:PopTMphUUNbgepuVtSJuSXq/fiTvlATmeX4Z4R4H4i4/o9FKs0z2xoetEPnyexe9:P0UNMMZ8ucz9/tBH3H3O
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yuhoq.exe -
Executes dropped EXE 1 IoCs
pid Process 2376 yuhoq.exe -
Loads dropped DLL 2 IoCs
pid Process 1472 25c54e971344a896355e2e1dc9ed9460.exe 1472 25c54e971344a896355e2e1dc9ed9460.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\yuhoq = "C:\\Users\\Admin\\yuhoq.exe" yuhoq.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe 2376 yuhoq.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1472 25c54e971344a896355e2e1dc9ed9460.exe 2376 yuhoq.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1472 wrote to memory of 2376 1472 25c54e971344a896355e2e1dc9ed9460.exe 28 PID 1472 wrote to memory of 2376 1472 25c54e971344a896355e2e1dc9ed9460.exe 28 PID 1472 wrote to memory of 2376 1472 25c54e971344a896355e2e1dc9ed9460.exe 28 PID 1472 wrote to memory of 2376 1472 25c54e971344a896355e2e1dc9ed9460.exe 28 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23 PID 2376 wrote to memory of 1472 2376 yuhoq.exe 23
Processes
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C:\Users\Admin\AppData\Local\Temp\25c54e971344a896355e2e1dc9ed9460.exe"C:\Users\Admin\AppData\Local\Temp\25c54e971344a896355e2e1dc9ed9460.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Users\Admin\yuhoq.exe"C:\Users\Admin\yuhoq.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2376
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
400KB
MD58d133856cf4a890b2b33584fe3d46366
SHA156d246c7a352d12dda9bd93268c2c50d0ea4c487
SHA256b7ab6b9745b765181fb981b22b11486ba9bbf513b9e2f192af9ad2bd293b29f9
SHA512ad7d585ae24dafea301bc7e25125edd1615bc2658a57dc789a377c2c65ed64db97709338448eb4a8ee9d153be68df33c5d8fe2cbd4120d261ad6addd3d49df93