Analysis
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max time kernel
189s -
max time network
210s -
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 11:20
Static task
static1
Behavioral task
behavioral1
Sample
d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe
Resource
win10v2004-20221111-en
General
-
Target
d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe
-
Size
66KB
-
MD5
3141d2447e9bfa16088049082d85b7bc
-
SHA1
75a072dffd861bef17fabf68b2287cdd562fdc12
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SHA256
d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec
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SHA512
c6da4f10ad64b1e9272f1e8e890ddf330da341654df54cb3fa7c1d2a2dfc7269029d1ce98ea071b642d3e6a3b9c77acf71559cd3c219c1ebdfdfd68c646dd3de
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SSDEEP
768:RC0GoD8G6AU/Ven1Nv98Mba4NbhrIR19qzLyxwZeKUpThAazjgMsvaiEfxSwjC06:3CqatReX16pthsvdE8w+gRxkoL1Qt+6P
Malware Config
Signatures
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Executes dropped EXE 4 IoCs
Processes:
urdvxc.exeurdvxc.exeurdvxc.exeurdvxc.exepid process 5100 urdvxc.exe 2544 urdvxc.exe 4320 urdvxc.exe 4080 urdvxc.exe -
Drops file in System32 directory 3 IoCs
Processes:
d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exeurdvxc.exedescription ioc process File created C:\Windows\SysWOW64\urdvxc.exe d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.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\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
Processes:
urdvxc.exeurdvxc.exeurdvxc.exed3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exeurdvxc.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7774BDCB-BC2A-526E-C798-34FA771E21D1}\LocalServer32 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\{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\{7774BDCB-BC2A-526E-C798-34FA771E21D1} 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\{EFA0F410-B413-4A92-141A-2661EA5B097E}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe" d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3E88A8DA-6487-F103-FFE5-C2B0648486DC} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFA0F410-B413-4A92-141A-2661EA5B097E} d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "zznwrzwbtjrnqnnh" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "qtknnnwesbwrellb" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "hlwjjtjszbrznveb" 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\{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\{EFA0F410-B413-4A92-141A-2661EA5B097E}\LocalServer32 d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "hbznxlttlkvtjjnz" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3E88A8DA-6487-F103-FFE5-C2B0648486DC}\ = "njhjjnrtwhrrcnjq" 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}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7774BDCB-BC2A-526E-C798-34FA771E21D1}\ = "lkwtsbnhvbhhbkxz" 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}\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\{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\{EFA0F410-B413-4A92-141A-2661EA5B097E}\ = "htwbhskbzbzktcsh" d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
urdvxc.exedescription pid process Token: SeDebugPrivilege 5100 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exedescription pid process target process PID 3076 wrote to memory of 5100 3076 d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe urdvxc.exe PID 3076 wrote to memory of 5100 3076 d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe urdvxc.exe PID 3076 wrote to memory of 5100 3076 d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe urdvxc.exe PID 3076 wrote to memory of 2544 3076 d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe urdvxc.exe PID 3076 wrote to memory of 2544 3076 d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe urdvxc.exe PID 3076 wrote to memory of 2544 3076 d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe urdvxc.exe PID 3076 wrote to memory of 4080 3076 d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe urdvxc.exe PID 3076 wrote to memory of 4080 3076 d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe urdvxc.exe PID 3076 wrote to memory of 4080 3076 d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe urdvxc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe"C:\Users\Admin\AppData\Local\Temp\d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:5100 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:2544 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec.exe2⤵
- Executes dropped EXE
- Modifies registry class
PID:4080
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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:4320
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
66KB
MD53141d2447e9bfa16088049082d85b7bc
SHA175a072dffd861bef17fabf68b2287cdd562fdc12
SHA256d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec
SHA512c6da4f10ad64b1e9272f1e8e890ddf330da341654df54cb3fa7c1d2a2dfc7269029d1ce98ea071b642d3e6a3b9c77acf71559cd3c219c1ebdfdfd68c646dd3de
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Filesize
66KB
MD53141d2447e9bfa16088049082d85b7bc
SHA175a072dffd861bef17fabf68b2287cdd562fdc12
SHA256d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec
SHA512c6da4f10ad64b1e9272f1e8e890ddf330da341654df54cb3fa7c1d2a2dfc7269029d1ce98ea071b642d3e6a3b9c77acf71559cd3c219c1ebdfdfd68c646dd3de
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Filesize
66KB
MD53141d2447e9bfa16088049082d85b7bc
SHA175a072dffd861bef17fabf68b2287cdd562fdc12
SHA256d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec
SHA512c6da4f10ad64b1e9272f1e8e890ddf330da341654df54cb3fa7c1d2a2dfc7269029d1ce98ea071b642d3e6a3b9c77acf71559cd3c219c1ebdfdfd68c646dd3de
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Filesize
66KB
MD53141d2447e9bfa16088049082d85b7bc
SHA175a072dffd861bef17fabf68b2287cdd562fdc12
SHA256d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec
SHA512c6da4f10ad64b1e9272f1e8e890ddf330da341654df54cb3fa7c1d2a2dfc7269029d1ce98ea071b642d3e6a3b9c77acf71559cd3c219c1ebdfdfd68c646dd3de
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Filesize
66KB
MD53141d2447e9bfa16088049082d85b7bc
SHA175a072dffd861bef17fabf68b2287cdd562fdc12
SHA256d3b7dc41f089bea5e255d58568d5802769737cb67164bfcb10a4e84a475a08ec
SHA512c6da4f10ad64b1e9272f1e8e890ddf330da341654df54cb3fa7c1d2a2dfc7269029d1ce98ea071b642d3e6a3b9c77acf71559cd3c219c1ebdfdfd68c646dd3de