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Analysis
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max time kernel
91s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 19:45
Static task
static1
Behavioral task
behavioral1
Sample
86ea29519beda3fdd27b54678fe2189f145825e65000582c07cda827e74d3853.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
86ea29519beda3fdd27b54678fe2189f145825e65000582c07cda827e74d3853.dll
Resource
win10v2004-20220901-en
General
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Target
86ea29519beda3fdd27b54678fe2189f145825e65000582c07cda827e74d3853.dll
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Size
237KB
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MD5
0bd702f288433e4abc9d5602a240d178
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SHA1
e9c6c3d4e2b4b698a41f8791103b897f4aec12b2
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SHA256
86ea29519beda3fdd27b54678fe2189f145825e65000582c07cda827e74d3853
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SHA512
75dfaf189a455f5393cf8ca91a62e3f52c0fb69c7a35ae3a50e88d568eaad1c2187bce00c56503f9a4b7c03687633848f3b79964759963a047ef9f3a18293e94
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SSDEEP
3072:cbf6uP+9YeSTC4MhNyh9iPWh84tkK+6wk29:12eST+hNVPpc+J9
Malware Config
Signatures
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Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\bujqwhj = "{9c946f34-141c-6961-252d-141ce7bc341b}" rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 4932 rundll32.exe 4932 rundll32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\atipvgi.dll rundll32.exe File created C:\Windows\SysWOW64\wpelrce.dll rundll32.exe File created C:\Windows\SysWOW64\ohwdjuw.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\ohwdjuw.dll rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9c946f34-141c-6961-252d-141ce7bc341b}\InprocServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9c946f34-141c-6961-252d-141ce7bc341b}\InprocServer32\ = "C:\\Windows\\SysWow64\\wpelrce.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9c946f34-141c-6961-252d-141ce7bc341b}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9c946f34-141c-6961-252d-141ce7bc341b} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9c946f34-141c-6961-252d-141ce7bc341b}\ rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4932 rundll32.exe 4932 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4932 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4932 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4864 wrote to memory of 4932 4864 rundll32.exe 82 PID 4864 wrote to memory of 4932 4864 rundll32.exe 82 PID 4864 wrote to memory of 4932 4864 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\86ea29519beda3fdd27b54678fe2189f145825e65000582c07cda827e74d3853.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\86ea29519beda3fdd27b54678fe2189f145825e65000582c07cda827e74d3853.dll,#12⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4932
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
625KB
MD5eccf28d7e5ccec24119b88edd160f8f4
SHA198509587a3d37a20b56b50fd57f823a1691a034c
SHA256820c83c0533cfce2928e29edeaf6c255bc19ac9718b25a5656d99ffac30a03d6
SHA512c1c94bbb781625b2317f0a8178d3a10d891fb71bca8f82cd831c484e8ab125301b82a14fe2ff070dc99a496cc00234300fa5536401018c40d49d44ae89409670
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Filesize
478KB
MD5e99416267b61f52fa5ab994019efd359
SHA186d31eae707db7fe51d2556394fcf0e8e9f6b0fd
SHA256768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774
SHA5120a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae