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Analysis
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max time kernel
156s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04/12/2022, 00:57
Behavioral task
behavioral1
Sample
9ed7e774cdc8cae6d3c643a329d07d7adb7a0e7be86e9d56d21c04a1ff60b9fd.dll
Resource
win7-20221111-en
windows7-x64
Behavioral task
behavioral2
Sample
9ed7e774cdc8cae6d3c643a329d07d7adb7a0e7be86e9d56d21c04a1ff60b9fd.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
General
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Target
9ed7e774cdc8cae6d3c643a329d07d7adb7a0e7be86e9d56d21c04a1ff60b9fd.dll
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Size
38KB
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MD5
f4c548ab89e1cd2950a81a8e69c803e7
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SHA1
477253ebedf453c5c9edef93a90b360d0af5d536
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SHA256
9ed7e774cdc8cae6d3c643a329d07d7adb7a0e7be86e9d56d21c04a1ff60b9fd
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SHA512
9e31cf2a90e33579c97782aaae682fac27f7d5b9bdc8ad3373479e1b12f975cb19ac53a4e99751f65c70d671889b197e3695cc6f50a91525aea69f187bd599dc
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SSDEEP
768:z72EtfWfm+ZgTlShj1dESUOpP7KqjHEMc72pUnbcuyD7Ut:zSMfWOMQPSP2mH1ciUnouy8t
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0007000000022f65-135.dat acprotect behavioral2/files/0x0007000000022f65-136.dat acprotect -
resource yara_rule behavioral2/memory/1224-133-0x0000000010000000-0x0000000010022000-memory.dmp upx behavioral2/files/0x0007000000022f65-135.dat upx behavioral2/files/0x0007000000022f65-136.dat upx behavioral2/memory/3184-137-0x0000000010000000-0x0000000010022000-memory.dmp upx behavioral2/memory/1224-138-0x0000000010000000-0x0000000010022000-memory.dmp upx behavioral2/memory/3184-139-0x0000000010000000-0x0000000010022000-memory.dmp upx -
Loads dropped DLL 1 IoCs
pid Process 3184 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\lua.wkl rundll32.exe File created C:\Windows\msremotx.dll rundll32.exe File opened for modification C:\Windows\msremotx.dll rundll32.exe File opened for modification C:\Windows\lua.wkl rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "9ed7e774cdc8cae6d3c643a329d07d7adb7a0e7be86e9d56d21c04a1ff60b9fd.dll,1309250235,-496657352,-352895392" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe 3184 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 904 wrote to memory of 1224 904 rundll32.exe 78 PID 904 wrote to memory of 1224 904 rundll32.exe 78 PID 904 wrote to memory of 1224 904 rundll32.exe 78 PID 1224 wrote to memory of 3184 1224 rundll32.exe 79 PID 1224 wrote to memory of 3184 1224 rundll32.exe 79 PID 1224 wrote to memory of 3184 1224 rundll32.exe 79
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9ed7e774cdc8cae6d3c643a329d07d7adb7a0e7be86e9d56d21c04a1ff60b9fd.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:904 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9ed7e774cdc8cae6d3c643a329d07d7adb7a0e7be86e9d56d21c04a1ff60b9fd.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\msremotx.dll",_RunAs@163⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:3184
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
38KB
MD5f4c548ab89e1cd2950a81a8e69c803e7
SHA1477253ebedf453c5c9edef93a90b360d0af5d536
SHA2569ed7e774cdc8cae6d3c643a329d07d7adb7a0e7be86e9d56d21c04a1ff60b9fd
SHA5129e31cf2a90e33579c97782aaae682fac27f7d5b9bdc8ad3373479e1b12f975cb19ac53a4e99751f65c70d671889b197e3695cc6f50a91525aea69f187bd599dc
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Filesize
38KB
MD5f4c548ab89e1cd2950a81a8e69c803e7
SHA1477253ebedf453c5c9edef93a90b360d0af5d536
SHA2569ed7e774cdc8cae6d3c643a329d07d7adb7a0e7be86e9d56d21c04a1ff60b9fd
SHA5129e31cf2a90e33579c97782aaae682fac27f7d5b9bdc8ad3373479e1b12f975cb19ac53a4e99751f65c70d671889b197e3695cc6f50a91525aea69f187bd599dc