Analysis
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max time kernel
214s -
max time network
235s -
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
bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe
Resource
win10v2004-20221111-en
General
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Target
bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe
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Size
66KB
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MD5
e9f240b78b59a1bcfe504f79a764c74e
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SHA1
98a032b387eb2df6d04b8fa4f34029ed1c7eabf6
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SHA256
bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84
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SHA512
a584531ae1e9a22f36e8d2a3dddffac1ec46ca7455e9b324098cdfa188c22a20f6c704cfd52fc770a81a7c37d0596e8652ac54f72a8cf7a62138e55013ce24ae
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SSDEEP
1536:mnzLJ9g1uVhCH1ag1jkiyfPUOzoU0dR8fCYAQtbT4lmxnZDj8eu9fGmWNl6POp9b:xgUQEdGVg//7ZSyG1fL
Malware Config
Signatures
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Executes dropped EXE 4 IoCs
Processes:
urdvxc.exeurdvxc.exeurdvxc.exeurdvxc.exepid process 3364 urdvxc.exe 2172 urdvxc.exe 3224 urdvxc.exe 3960 urdvxc.exe -
Drops file in System32 directory 3 IoCs
Processes:
bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exeurdvxc.exedescription ioc process File created C:\Windows\SysWOW64\urdvxc.exe bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Drops file in Program Files directory 3 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 -
Modifies registry class 24 IoCs
Processes:
urdvxc.exebfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exeurdvxc.exeurdvxc.exeurdvxc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "krqjzjtltjwtkksz" 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\{CCB60B05-D56D-0432-AF9D-6F13C800EDBC} bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CCB60B05-D56D-0432-AF9D-6F13C800EDBC}\ = "rzrhncqknexlzvns" bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CCB60B05-D56D-0432-AF9D-6F13C800EDBC}\LocalServer32 bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "qzejwxkcstnhjbtq" 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 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 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7774BDCB-BC2A-526E-C798-34FA771E21D1}\ = "jhtzkqhqtjkzlbex" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CCB60B05-D56D-0432-AF9D-6F13C800EDBC}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe" bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.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}\ = "hslvrjneqntzsssl" 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}\ = "rbbnexkjkhetttne" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7774BDCB-BC2A-526E-C798-34FA771E21D1}\LocalServer32 urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
urdvxc.exedescription pid process Token: SeDebugPrivilege 3364 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exedescription pid process target process PID 364 wrote to memory of 3364 364 bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe urdvxc.exe PID 364 wrote to memory of 3364 364 bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe urdvxc.exe PID 364 wrote to memory of 3364 364 bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe urdvxc.exe PID 364 wrote to memory of 2172 364 bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe urdvxc.exe PID 364 wrote to memory of 2172 364 bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe urdvxc.exe PID 364 wrote to memory of 2172 364 bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe urdvxc.exe PID 364 wrote to memory of 3960 364 bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe urdvxc.exe PID 364 wrote to memory of 3960 364 bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe urdvxc.exe PID 364 wrote to memory of 3960 364 bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe urdvxc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe"C:\Users\Admin\AppData\Local\Temp\bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe"1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:364 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3364 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:2172 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84.exe2⤵
- Executes dropped EXE
- Modifies registry class
PID:3960
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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:3224
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
66KB
MD5e9f240b78b59a1bcfe504f79a764c74e
SHA198a032b387eb2df6d04b8fa4f34029ed1c7eabf6
SHA256bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84
SHA512a584531ae1e9a22f36e8d2a3dddffac1ec46ca7455e9b324098cdfa188c22a20f6c704cfd52fc770a81a7c37d0596e8652ac54f72a8cf7a62138e55013ce24ae
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Filesize
66KB
MD5e9f240b78b59a1bcfe504f79a764c74e
SHA198a032b387eb2df6d04b8fa4f34029ed1c7eabf6
SHA256bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84
SHA512a584531ae1e9a22f36e8d2a3dddffac1ec46ca7455e9b324098cdfa188c22a20f6c704cfd52fc770a81a7c37d0596e8652ac54f72a8cf7a62138e55013ce24ae
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Filesize
66KB
MD5e9f240b78b59a1bcfe504f79a764c74e
SHA198a032b387eb2df6d04b8fa4f34029ed1c7eabf6
SHA256bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84
SHA512a584531ae1e9a22f36e8d2a3dddffac1ec46ca7455e9b324098cdfa188c22a20f6c704cfd52fc770a81a7c37d0596e8652ac54f72a8cf7a62138e55013ce24ae
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Filesize
66KB
MD5e9f240b78b59a1bcfe504f79a764c74e
SHA198a032b387eb2df6d04b8fa4f34029ed1c7eabf6
SHA256bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84
SHA512a584531ae1e9a22f36e8d2a3dddffac1ec46ca7455e9b324098cdfa188c22a20f6c704cfd52fc770a81a7c37d0596e8652ac54f72a8cf7a62138e55013ce24ae
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Filesize
66KB
MD5e9f240b78b59a1bcfe504f79a764c74e
SHA198a032b387eb2df6d04b8fa4f34029ed1c7eabf6
SHA256bfd5c8c7b6e9d219295f1b9a4093710817dcc78ff3257d04e4c10d938638ae84
SHA512a584531ae1e9a22f36e8d2a3dddffac1ec46ca7455e9b324098cdfa188c22a20f6c704cfd52fc770a81a7c37d0596e8652ac54f72a8cf7a62138e55013ce24ae