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Analysis
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max time kernel
151s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22/12/2023, 13:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a93f49cdecf6e3a1002286682f19a3a5.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a93f49cdecf6e3a1002286682f19a3a5.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a93f49cdecf6e3a1002286682f19a3a5.exe
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Size
60KB
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MD5
a93f49cdecf6e3a1002286682f19a3a5
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SHA1
fa4f4e951a27cb3ce178a09214c9be71d63519fb
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SHA256
fbe71273f4f34f65257a80646574b6951d3566799ffe2531353c0bb01a9a79a6
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SHA512
1639fab5d3a2a2296c9310d7ed00652f1073f59da332ff2371ad67870cccbf9e9cd3844c4cb4296cde5fba3bda6eaa9387b8e66ba3d9fdaff2b1d04e5a2c7523
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SSDEEP
768:hXSmpnBmNVpmkeu76+9A/v/bVlbdfs3OfKDHGIHY56W7:hXSNp+u76y43wY56W7
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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vauwa.exe -
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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation a93f49cdecf6e3a1002286682f19a3a5.exe -
Executes dropped EXE 1 IoCs
pid Process 2468 vauwa.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vauwa = "C:\\Users\\Admin\\vauwa.exe" vauwa.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 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe 2468 vauwa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 956 a93f49cdecf6e3a1002286682f19a3a5.exe 2468 vauwa.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 956 wrote to memory of 2468 956 a93f49cdecf6e3a1002286682f19a3a5.exe 91 PID 956 wrote to memory of 2468 956 a93f49cdecf6e3a1002286682f19a3a5.exe 91 PID 956 wrote to memory of 2468 956 a93f49cdecf6e3a1002286682f19a3a5.exe 91 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87 PID 2468 wrote to memory of 956 2468 vauwa.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\a93f49cdecf6e3a1002286682f19a3a5.exe"C:\Users\Admin\AppData\Local\Temp\a93f49cdecf6e3a1002286682f19a3a5.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Users\Admin\vauwa.exe"C:\Users\Admin\vauwa.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:2468
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD5a7fc9563b6e2ecb7b467e542fe22f456
SHA1d4f2ae00225ce394e31fe1e7e406edc2b82bad5b
SHA256e34a88dcf8335a7f18188c5e0ef852c3e63b0798fea814603c833fc77b700ac9
SHA5126b484800d8776912b2100621ff3f26dd1c07095d0de2162727dc7cb50b51ffb5ba02744d252da2886771bb87054d7064c6138bd78e52cf18df73407087cb2fa4