Analysis
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max time kernel
120s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
25/07/2024, 10:02
Static task
static1
Behavioral task
behavioral1
Sample
b90beb0dd5293c38e9e2273d4f087b30N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b90beb0dd5293c38e9e2273d4f087b30N.exe
Resource
win10v2004-20240709-en
General
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Target
b90beb0dd5293c38e9e2273d4f087b30N.exe
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Size
66KB
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MD5
b90beb0dd5293c38e9e2273d4f087b30
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SHA1
6755d65f5e6cb92a6c4df4a6d667d7aaa2daa30e
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SHA256
546e29d5654047b3d330315628ecd6994b992cba66ccb98363f567d280151e02
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SHA512
23dabc5d05b11a07a1d7a68189edf7bb60af3e3d7b9fde2611bca624918523ca01a9e0e329f0338e0d7e1783d873f6a86e1cdba0dd7f1088c818b38df197faae
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SSDEEP
1536:84PvugCmecsWt/D1DjPoM3+1rf3aiNKb6GlHQDM9bYVT3mi2a1jkUixWg32T2I6M:LKbPZPDIHCPkI54UQR9rzYj
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 420 urdvxc.exe -
Executes dropped EXE 5 IoCs
pid Process 3740 urdvxc.exe 4532 urdvxc.exe 3068 urdvxc.exe 420 urdvxc.exe 2628 urdvxc.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\urdvxc.exe b90beb0dd5293c38e9e2273d4f087b30N.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe File created C:\Windows\SysWOW64\urdvxc.exe b90beb0dd5293c38e9e2273d4f087b30N.exe -
Drops file in Program Files directory 23 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\chllsvtv.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\tsbknceh.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\create_stream.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\mosaic_window.html urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\Welcome.html urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\revhnlhn.exe urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\README.html urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\rvhrjtnt.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\equalizer_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\offset_window.html urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPP.HTM urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\1033\README.HTM urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\MCABOUT.HTM urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\index.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\browse_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\error_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\stream_window.html urdvxc.exe File opened for modification C:\Program Files\SubmitRemove.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\batch_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\stream_config_window.html urdvxc.exe File opened for modification C:\Program Files\Java\jre-1.8\Welcome.html urdvxc.exe File opened for modification C:\Program Files\Java\jre-1.8\hcjzqenb.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.html urdvxc.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language urdvxc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b90beb0dd5293c38e9e2273d4f087b30N.exe -
Modifies registry class 44 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\LocalServer32\ = "C:\\Program Files\\Java\\jre-1.8\\hcjzqenb.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\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "xsqkhzezkbenbhvz" 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}\LocalServer32 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}\ = "bzcnceqezestejnk" 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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\LocalServer32\ = "C:\\Program Files\\Microsoft Office\\root\\Office16\\PersonaSpy\\tsbknceh.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD} 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}\ = "vhkqnbeqckzkqjeh" 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\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\LocalServer32\ = "C:\\Program Files\\Java\\jdk-1.8\\jre\\revhnlhn.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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7940E01D-AC9A-B71F-6F1B-9CBF5A389E3B} b90beb0dd5293c38e9e2273d4f087b30N.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}\ = "jscqsvcvbcxkeznr" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "ehzjjnhbtzksrnst" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "blrnjnrshjvltrts" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32\ = "C:\\Program Files\\Microsoft Office\\root\\vfs\\ProgramFilesCommonX64\\Microsoft Shared\\Smart Tag\\1033\\rvhrjtnt.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "rrhecsvvlnxlnwrj" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7940E01D-AC9A-B71F-6F1B-9CBF5A389E3B}\ = "rqrlnslhtsnxltwh" b90beb0dd5293c38e9e2273d4f087b30N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7940E01D-AC9A-B71F-6F1B-9CBF5A389E3B}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b90beb0dd5293c38e9e2273d4f087b30N.exe" b90beb0dd5293c38e9e2273d4f087b30N.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\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564} 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\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "tjxzbkskzktcvzkb" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "ncbjlnxswchxjnjs" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "tzzetqtbtttnxjhs" 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\{7940E01D-AC9A-B71F-6F1B-9CBF5A389E3B}\LocalServer32 b90beb0dd5293c38e9e2273d4f087b30N.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\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32\ = "C:\\Program Files\\Java\\jdk-1.8\\chllsvtv.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\LocalServer32 urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3740 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 928 wrote to memory of 3740 928 b90beb0dd5293c38e9e2273d4f087b30N.exe 87 PID 928 wrote to memory of 3740 928 b90beb0dd5293c38e9e2273d4f087b30N.exe 87 PID 928 wrote to memory of 3740 928 b90beb0dd5293c38e9e2273d4f087b30N.exe 87 PID 928 wrote to memory of 4532 928 b90beb0dd5293c38e9e2273d4f087b30N.exe 88 PID 928 wrote to memory of 4532 928 b90beb0dd5293c38e9e2273d4f087b30N.exe 88 PID 928 wrote to memory of 4532 928 b90beb0dd5293c38e9e2273d4f087b30N.exe 88 PID 928 wrote to memory of 420 928 b90beb0dd5293c38e9e2273d4f087b30N.exe 91 PID 928 wrote to memory of 420 928 b90beb0dd5293c38e9e2273d4f087b30N.exe 91 PID 928 wrote to memory of 420 928 b90beb0dd5293c38e9e2273d4f087b30N.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\b90beb0dd5293c38e9e2273d4f087b30N.exe"C:\Users\Admin\AppData\Local\Temp\b90beb0dd5293c38e9e2273d4f087b30N.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3740
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:4532
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\b90beb0dd5293c38e9e2273d4f087b30N.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:420
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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:3068
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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:2628
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
66KB
MD5b90beb0dd5293c38e9e2273d4f087b30
SHA16755d65f5e6cb92a6c4df4a6d667d7aaa2daa30e
SHA256546e29d5654047b3d330315628ecd6994b992cba66ccb98363f567d280151e02
SHA51223dabc5d05b11a07a1d7a68189edf7bb60af3e3d7b9fde2611bca624918523ca01a9e0e329f0338e0d7e1783d873f6a86e1cdba0dd7f1088c818b38df197faae