Analysis
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max time kernel
192s -
max time network
208s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 15:03
Static task
static1
Behavioral task
behavioral1
Sample
98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe
Resource
win10v2004-20221111-en
General
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Target
98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe
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Size
63KB
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MD5
5db8b832e22484d66ce5f9ca8b2e93b4
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SHA1
0fb01884f09a57d7731f563e9b3026e4383f5426
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SHA256
98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13
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SHA512
8e946fa5350652248fb14f751f7508df68c131ccd58c9642303821d0fc7ccaab4dcd80d193e9d817de86b43a4a6513118a242b0d9a63ca4d963f3d1286c224bc
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SSDEEP
1536:JTWjFL/0OTdy5nU3bKrSX75u2zESL/MkQbtMQCyRnJUTrKZxhmSf8u1GREPevk:JcB/0ORAnU5u2zENbbtLfBZe21G+2vk
Malware Config
Signatures
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Executes dropped EXE 4 IoCs
pid Process 4620 urdvxc.exe 1020 urdvxc.exe 116 urdvxc.exe 3580 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk1.8.0_66\db\README-JDK.html urdvxc.exe 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\Java\jdk1.8.0_66\jre\sekbhrbe.exe urdvxc.exe -
Modifies registry class 28 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E2BFEB1-E0CC-E8CB-821B-71FC2C98984C}\ = "eksjbnjbkzjhjnkk" 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "ntwrhbcvlzjbrces" 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\{3E88A8DA-6487-F103-FFE5-C2B0648486DC} 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 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\{3E88A8DA-6487-F103-FFE5-C2B0648486DC}\LocalServer32\ = "C:\\Program Files\\Java\\jdk1.8.0_66\\jre\\sekbhrbe.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}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3E88A8DA-6487-F103-FFE5-C2B0648486DC}\ = "xrteecrxwnvtkcxe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3E88A8DA-6487-F103-FFE5-C2B0648486DC}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7774BDCB-BC2A-526E-C798-34FA771E21D1}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E2BFEB1-E0CC-E8CB-821B-71FC2C98984C} 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E2BFEB1-E0CC-E8CB-821B-71FC2C98984C}\LocalServer32 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.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\{7774BDCB-BC2A-526E-C798-34FA771E21D1}\ = "rlthzseectckskzc" 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}\ = "ccqetberntcrxkjv" 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\{6E2BFEB1-E0CC-E8CB-821B-71FC2C98984C}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe" 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "skstenjnnlktjcjr" 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}\ = "hsxhlcjwtvcttjnb" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7774BDCB-BC2A-526E-C798-34FA771E21D1} urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4620 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4088 wrote to memory of 4620 4088 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe 83 PID 4088 wrote to memory of 4620 4088 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe 83 PID 4088 wrote to memory of 4620 4088 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe 83 PID 4088 wrote to memory of 1020 4088 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe 84 PID 4088 wrote to memory of 1020 4088 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe 84 PID 4088 wrote to memory of 1020 4088 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe 84 PID 4088 wrote to memory of 3580 4088 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe 86 PID 4088 wrote to memory of 3580 4088 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe 86 PID 4088 wrote to memory of 3580 4088 98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe"C:\Users\Admin\AppData\Local\Temp\98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4620
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:1020
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\98b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13.exe2⤵
- Executes dropped EXE
- Modifies registry class
PID:3580
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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
PID:116
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
63KB
MD55db8b832e22484d66ce5f9ca8b2e93b4
SHA10fb01884f09a57d7731f563e9b3026e4383f5426
SHA25698b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13
SHA5128e946fa5350652248fb14f751f7508df68c131ccd58c9642303821d0fc7ccaab4dcd80d193e9d817de86b43a4a6513118a242b0d9a63ca4d963f3d1286c224bc
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Filesize
63KB
MD55db8b832e22484d66ce5f9ca8b2e93b4
SHA10fb01884f09a57d7731f563e9b3026e4383f5426
SHA25698b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13
SHA5128e946fa5350652248fb14f751f7508df68c131ccd58c9642303821d0fc7ccaab4dcd80d193e9d817de86b43a4a6513118a242b0d9a63ca4d963f3d1286c224bc
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Filesize
63KB
MD55db8b832e22484d66ce5f9ca8b2e93b4
SHA10fb01884f09a57d7731f563e9b3026e4383f5426
SHA25698b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13
SHA5128e946fa5350652248fb14f751f7508df68c131ccd58c9642303821d0fc7ccaab4dcd80d193e9d817de86b43a4a6513118a242b0d9a63ca4d963f3d1286c224bc
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Filesize
63KB
MD55db8b832e22484d66ce5f9ca8b2e93b4
SHA10fb01884f09a57d7731f563e9b3026e4383f5426
SHA25698b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13
SHA5128e946fa5350652248fb14f751f7508df68c131ccd58c9642303821d0fc7ccaab4dcd80d193e9d817de86b43a4a6513118a242b0d9a63ca4d963f3d1286c224bc
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Filesize
63KB
MD55db8b832e22484d66ce5f9ca8b2e93b4
SHA10fb01884f09a57d7731f563e9b3026e4383f5426
SHA25698b87669b893d35a4636913424e7ba87f2c1947407f3d1c81dd9a86165d45d13
SHA5128e946fa5350652248fb14f751f7508df68c131ccd58c9642303821d0fc7ccaab4dcd80d193e9d817de86b43a4a6513118a242b0d9a63ca4d963f3d1286c224bc