Analysis
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max time kernel
310s -
max time network
327s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 11:21
Static task
static1
Behavioral task
behavioral1
Sample
bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe
Resource
win10v2004-20221111-en
General
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Target
bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe
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Size
90KB
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MD5
474df35b4480320b8f8752def8f5c062
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SHA1
260df0a8545cb59e8c1945c60a0cf26c6706e373
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SHA256
bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773
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SHA512
73fc10d2b79099a66375352cd745177f5a69d7d55dc793f50a81aee781a353462e20349f1248c3c0cdecb073339406e28770d2489f1b0833030efbe01e7a9dbb
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SSDEEP
1536:c2te/LgkQHYQ66eKdUxIur5i4Dv2bE+2QklIyjpbgotBN8WKutyG0QMUX:/M/xge6ZU5rRDv2bNWe09gotfbtLX
Malware Config
Signatures
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Executes dropped EXE 4 IoCs
Processes:
urdvxc.exeurdvxc.exeurdvxc.exeurdvxc.exepid process 4760 urdvxc.exe 5104 urdvxc.exe 4540 urdvxc.exe 2124 urdvxc.exe -
Drops file in System32 directory 3 IoCs
Processes:
bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exeurdvxc.exedescription ioc process File created C:\Windows\SysWOW64\urdvxc.exe bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Modifies registry class 20 IoCs
Processes:
bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exeurdvxc.exeurdvxc.exeurdvxc.exeurdvxc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64CE9320-5294-3DBD-2A99-53EE21075135}\ = "qnlhnsljwcvrswqt" bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "stklntnklqeklvbe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64CE9320-5294-3DBD-2A99-53EE21075135} bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64CE9320-5294-3DBD-2A99-53EE21075135}\LocalServer32 bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{64CE9320-5294-3DBD-2A99-53EE21075135}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe" bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "sxehzhrhetstkqcs" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "ehttxknjtrewlxch" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "bbvcbbwxebjjhzks" urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
urdvxc.exedescription pid process Token: SeDebugPrivilege 4760 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exedescription pid process target process PID 4376 wrote to memory of 4760 4376 bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe urdvxc.exe PID 4376 wrote to memory of 4760 4376 bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe urdvxc.exe PID 4376 wrote to memory of 4760 4376 bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe urdvxc.exe PID 4376 wrote to memory of 5104 4376 bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe urdvxc.exe PID 4376 wrote to memory of 5104 4376 bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe urdvxc.exe PID 4376 wrote to memory of 5104 4376 bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe urdvxc.exe PID 4376 wrote to memory of 2124 4376 bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe urdvxc.exe PID 4376 wrote to memory of 2124 4376 bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe urdvxc.exe PID 4376 wrote to memory of 2124 4376 bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe urdvxc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe"C:\Users\Admin\AppData\Local\Temp\bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4376 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4760 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:5104 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773.exe2⤵
- Executes dropped EXE
- Modifies registry class
PID:2124
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C:\Windows\SysWOW64\urdvxc.exe"C:\Windows\SysWOW64\urdvxc.exe" /service1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies registry class
PID:4540
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\urdvxc.exeFilesize
90KB
MD5474df35b4480320b8f8752def8f5c062
SHA1260df0a8545cb59e8c1945c60a0cf26c6706e373
SHA256bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773
SHA51273fc10d2b79099a66375352cd745177f5a69d7d55dc793f50a81aee781a353462e20349f1248c3c0cdecb073339406e28770d2489f1b0833030efbe01e7a9dbb
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C:\Windows\SysWOW64\urdvxc.exeFilesize
90KB
MD5474df35b4480320b8f8752def8f5c062
SHA1260df0a8545cb59e8c1945c60a0cf26c6706e373
SHA256bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773
SHA51273fc10d2b79099a66375352cd745177f5a69d7d55dc793f50a81aee781a353462e20349f1248c3c0cdecb073339406e28770d2489f1b0833030efbe01e7a9dbb
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C:\Windows\SysWOW64\urdvxc.exeFilesize
90KB
MD5474df35b4480320b8f8752def8f5c062
SHA1260df0a8545cb59e8c1945c60a0cf26c6706e373
SHA256bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773
SHA51273fc10d2b79099a66375352cd745177f5a69d7d55dc793f50a81aee781a353462e20349f1248c3c0cdecb073339406e28770d2489f1b0833030efbe01e7a9dbb
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C:\Windows\SysWOW64\urdvxc.exeFilesize
90KB
MD5474df35b4480320b8f8752def8f5c062
SHA1260df0a8545cb59e8c1945c60a0cf26c6706e373
SHA256bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773
SHA51273fc10d2b79099a66375352cd745177f5a69d7d55dc793f50a81aee781a353462e20349f1248c3c0cdecb073339406e28770d2489f1b0833030efbe01e7a9dbb
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C:\Windows\SysWOW64\urdvxc.exeFilesize
90KB
MD5474df35b4480320b8f8752def8f5c062
SHA1260df0a8545cb59e8c1945c60a0cf26c6706e373
SHA256bd39ffa08d0b0b3fa866339bf7e35950b82a32ad8c85bd1d333cb109a9b52773
SHA51273fc10d2b79099a66375352cd745177f5a69d7d55dc793f50a81aee781a353462e20349f1248c3c0cdecb073339406e28770d2489f1b0833030efbe01e7a9dbb
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memory/2124-143-0x0000000000000000-mapping.dmp
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memory/2124-145-0x00000000001C0000-0x00000000001DF000-memory.dmpFilesize
124KB
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memory/4376-133-0x00000000001E0000-0x00000000001FF000-memory.dmpFilesize
124KB
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memory/4376-132-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/4540-146-0x00000000001E0000-0x00000000001FF000-memory.dmpFilesize
124KB
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memory/4540-147-0x00000000001E0000-0x00000000001FF000-memory.dmpFilesize
124KB
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memory/4760-137-0x0000000000400000-0x000000000043B000-memory.dmpFilesize
236KB
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memory/4760-138-0x00000000001E0000-0x00000000001FF000-memory.dmpFilesize
124KB
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memory/4760-134-0x0000000000000000-mapping.dmp
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memory/5104-139-0x0000000000000000-mapping.dmp
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memory/5104-142-0x00000000001C0000-0x00000000001DF000-memory.dmpFilesize
124KB