Analysis
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max time kernel
178s -
max time network
199s -
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 11:24
Static task
static1
Behavioral task
behavioral1
Sample
0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe
Resource
win10v2004-20221111-en
General
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Target
0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe
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Size
56KB
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MD5
20569ea2dde313f06a1e8167964fbeb8
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SHA1
c203784dbea663650dfba15efdc28bb5e16b64ae
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SHA256
0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86
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SHA512
bb6ad1fa290e769b19d1b92824844116eb4d7d8b5814e6df0a656b0faf6d93c2eca0c346c113d659029a7689e7c7deff20fbdead543e55e7ccd898a5f2c3dfc8
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SSDEEP
1536:GfMvD9JyT6AYD7FpLrfLOqfl8Pq1IkzHZqwpv:+ML94T6A0FRfLOqflkqWwZqwR
Malware Config
Signatures
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Executes dropped EXE 4 IoCs
Processes:
urdvxc.exeurdvxc.exeurdvxc.exeurdvxc.exepid process 4952 urdvxc.exe 2152 urdvxc.exe 3904 urdvxc.exe 3576 urdvxc.exe -
Drops file in System32 directory 3 IoCs
Processes:
0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exeurdvxc.exedescription ioc process File created C:\Windows\SysWOW64\urdvxc.exe 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Drops file in Program Files directory 5 IoCs
Processes:
urdvxc.exedescription ioc process File opened for modification C:\Program Files\Java\jdk1.8.0_66\db\qrhljwvn.exe urdvxc.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\db\RELEASE-NOTES.html urdvxc.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\jre\Welcome.html urdvxc.exe File opened for modification C:\Program Files\GrantShow.html urdvxc.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\db\README-JDK.html urdvxc.exe -
Modifies registry class 24 IoCs
Processes:
urdvxc.exeurdvxc.exeurdvxc.exe0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exeurdvxc.exedescription ioc process 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8E905B4-785C-9858-DA2F-5A305CF171C9} 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8E905B4-785C-9858-DA2F-5A305CF171C9}\LocalServer32 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "nxtjxbebztkjwrkl" 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}\ = "htetrssrthbbcznw" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7774BDCB-BC2A-526E-C798-34FA771E21D1}\ = "hlzeserwwrbvsskl" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7774BDCB-BC2A-526E-C798-34FA771E21D1}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8E905B4-785C-9858-DA2F-5A305CF171C9}\ = "rtwbkrjvhhtkwbsh" 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.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}\ = "enswjrbrjtrwjlrh" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7774BDCB-BC2A-526E-C798-34FA771E21D1} 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}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7774BDCB-BC2A-526E-C798-34FA771E21D1}\LocalServer32\ = "C:\\Program Files\\Java\\jdk1.8.0_66\\db\\qrhljwvn.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\{A8E905B4-785C-9858-DA2F-5A305CF171C9}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe" 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "wbsevevtwsrjkszr" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
urdvxc.exedescription pid process Token: SeDebugPrivilege 4952 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exedescription pid process target process PID 4256 wrote to memory of 4952 4256 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe urdvxc.exe PID 4256 wrote to memory of 4952 4256 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe urdvxc.exe PID 4256 wrote to memory of 4952 4256 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe urdvxc.exe PID 4256 wrote to memory of 2152 4256 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe urdvxc.exe PID 4256 wrote to memory of 2152 4256 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe urdvxc.exe PID 4256 wrote to memory of 2152 4256 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe urdvxc.exe PID 4256 wrote to memory of 3576 4256 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe urdvxc.exe PID 4256 wrote to memory of 3576 4256 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe urdvxc.exe PID 4256 wrote to memory of 3576 4256 0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe urdvxc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe"C:\Users\Admin\AppData\Local\Temp\0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\0889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86.exe2⤵
- Executes dropped EXE
- Modifies registry class
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C:\Windows\SysWOW64\urdvxc.exe"C:\Windows\SysWOW64\urdvxc.exe" /service1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\urdvxc.exeFilesize
56KB
MD520569ea2dde313f06a1e8167964fbeb8
SHA1c203784dbea663650dfba15efdc28bb5e16b64ae
SHA2560889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86
SHA512bb6ad1fa290e769b19d1b92824844116eb4d7d8b5814e6df0a656b0faf6d93c2eca0c346c113d659029a7689e7c7deff20fbdead543e55e7ccd898a5f2c3dfc8
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C:\Windows\SysWOW64\urdvxc.exeFilesize
56KB
MD520569ea2dde313f06a1e8167964fbeb8
SHA1c203784dbea663650dfba15efdc28bb5e16b64ae
SHA2560889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86
SHA512bb6ad1fa290e769b19d1b92824844116eb4d7d8b5814e6df0a656b0faf6d93c2eca0c346c113d659029a7689e7c7deff20fbdead543e55e7ccd898a5f2c3dfc8
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C:\Windows\SysWOW64\urdvxc.exeFilesize
56KB
MD520569ea2dde313f06a1e8167964fbeb8
SHA1c203784dbea663650dfba15efdc28bb5e16b64ae
SHA2560889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86
SHA512bb6ad1fa290e769b19d1b92824844116eb4d7d8b5814e6df0a656b0faf6d93c2eca0c346c113d659029a7689e7c7deff20fbdead543e55e7ccd898a5f2c3dfc8
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C:\Windows\SysWOW64\urdvxc.exeFilesize
56KB
MD520569ea2dde313f06a1e8167964fbeb8
SHA1c203784dbea663650dfba15efdc28bb5e16b64ae
SHA2560889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86
SHA512bb6ad1fa290e769b19d1b92824844116eb4d7d8b5814e6df0a656b0faf6d93c2eca0c346c113d659029a7689e7c7deff20fbdead543e55e7ccd898a5f2c3dfc8
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C:\Windows\SysWOW64\urdvxc.exeFilesize
56KB
MD520569ea2dde313f06a1e8167964fbeb8
SHA1c203784dbea663650dfba15efdc28bb5e16b64ae
SHA2560889e1aec0395411125082e70599174ffdd48f2c2bf8c361a01e5c2630188f86
SHA512bb6ad1fa290e769b19d1b92824844116eb4d7d8b5814e6df0a656b0faf6d93c2eca0c346c113d659029a7689e7c7deff20fbdead543e55e7ccd898a5f2c3dfc8
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memory/2152-140-0x00000000001C0000-0x00000000001DF000-memory.dmpFilesize
124KB
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memory/2152-137-0x0000000000000000-mapping.dmp
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memory/3576-141-0x0000000000000000-mapping.dmp
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memory/3576-143-0x00000000001C0000-0x00000000001DF000-memory.dmpFilesize
124KB
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memory/3904-144-0x00000000001E0000-0x00000000001FF000-memory.dmpFilesize
124KB
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memory/3904-145-0x00000000001E0000-0x00000000001FF000-memory.dmpFilesize
124KB
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memory/4256-136-0x00000000001E0000-0x00000000001FF000-memory.dmpFilesize
124KB
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memory/4952-132-0x0000000000000000-mapping.dmp
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memory/4952-135-0x00000000001E0000-0x00000000001FF000-memory.dmpFilesize
124KB