Analysis
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max time kernel
216s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 19:29
Static task
static1
Behavioral task
behavioral1
Sample
af2fbf3a9a9e8b156e8ac72c4aee88d61628f39d431704794f8eb59a62ca1f42.dll
Resource
win7-20221111-en
windows7-x64
Behavioral task
behavioral2
Sample
af2fbf3a9a9e8b156e8ac72c4aee88d61628f39d431704794f8eb59a62ca1f42.dll
Resource
win10v2004-20221111-en
windows10-2004-x64
General
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Target
af2fbf3a9a9e8b156e8ac72c4aee88d61628f39d431704794f8eb59a62ca1f42.dll
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Size
26KB
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MD5
5e205a8fc1dc745b3b63c0f3d4fcaa2b
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SHA1
afcf3b0050aa7394f5c1232a62f0156c7ba4f6e2
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SHA256
af2fbf3a9a9e8b156e8ac72c4aee88d61628f39d431704794f8eb59a62ca1f42
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SHA512
c8cea1faf6acbcc50ad660deca29cdcdf06b3002205431b8ac6562b1325f2cd335e544745b98118df9836d7514112c44a7d88ebf743563c176d95cf147802584
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SSDEEP
384:7kepOl/3tphk5481I6k1cwZNrY27rov4t4NzyPS1ZNgQ+NS9vxjgvOHmEKL:7kepOl/Sq+IHS9AkzR6pNQtgvgmhL
Malware Config
Signatures
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Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\mvrcore.dll rundll32.exe File opened for modification C:\Windows\mvrcore.dll rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "af2fbf3a9a9e8b156e8ac72c4aee88d61628f39d431704794f8eb59a62ca1f42.dll,1295325320,555589482,-1814625877" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2020 wrote to memory of 1980 2020 rundll32.exe 28 PID 2020 wrote to memory of 1980 2020 rundll32.exe 28 PID 2020 wrote to memory of 1980 2020 rundll32.exe 28 PID 2020 wrote to memory of 1980 2020 rundll32.exe 28 PID 2020 wrote to memory of 1980 2020 rundll32.exe 28 PID 2020 wrote to memory of 1980 2020 rundll32.exe 28 PID 2020 wrote to memory of 1980 2020 rundll32.exe 28 PID 1980 wrote to memory of 564 1980 rundll32.exe 29 PID 1980 wrote to memory of 564 1980 rundll32.exe 29 PID 1980 wrote to memory of 564 1980 rundll32.exe 29 PID 1980 wrote to memory of 564 1980 rundll32.exe 29 PID 1980 wrote to memory of 564 1980 rundll32.exe 29 PID 1980 wrote to memory of 564 1980 rundll32.exe 29 PID 1980 wrote to memory of 564 1980 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\af2fbf3a9a9e8b156e8ac72c4aee88d61628f39d431704794f8eb59a62ca1f42.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\af2fbf3a9a9e8b156e8ac72c4aee88d61628f39d431704794f8eb59a62ca1f42.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\mvrcore.dll",_RunAs@163⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:564
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
26KB
MD55e205a8fc1dc745b3b63c0f3d4fcaa2b
SHA1afcf3b0050aa7394f5c1232a62f0156c7ba4f6e2
SHA256af2fbf3a9a9e8b156e8ac72c4aee88d61628f39d431704794f8eb59a62ca1f42
SHA512c8cea1faf6acbcc50ad660deca29cdcdf06b3002205431b8ac6562b1325f2cd335e544745b98118df9836d7514112c44a7d88ebf743563c176d95cf147802584