Analysis
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max time kernel
152s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04/10/2022, 07:47
Behavioral task
behavioral1
Sample
3c5b77d7a4e1d6a2f8c84c02bfcf24e0a887dbfc31934c07eda152f5b9ac4fe9.dll
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
3c5b77d7a4e1d6a2f8c84c02bfcf24e0a887dbfc31934c07eda152f5b9ac4fe9.dll
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3c5b77d7a4e1d6a2f8c84c02bfcf24e0a887dbfc31934c07eda152f5b9ac4fe9.dll
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Size
38KB
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MD5
13640d4711f5f5c3c68777c35bf72f3b
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SHA1
c0de84c66ef3782a32229d350c4777f26a51c51b
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SHA256
3c5b77d7a4e1d6a2f8c84c02bfcf24e0a887dbfc31934c07eda152f5b9ac4fe9
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SHA512
0f138800c8f106ee4f4b58ed923a5f8cc5ffccc3f98807f4b4cf4c6552e7459c107973f0c03e093a87768846145d1021c6e82cb2a5018b720c35b04ba6f80735
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SSDEEP
768:972EtfWfm+ZgTlShj1dESUOpP7KqjHEMc72pUnbcuyD7Ut:9SMfWOMQPSP2mH1ciUnouy8t
Score
9/10
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x00140000000054ab-59.dat acprotect -
resource yara_rule behavioral1/memory/1788-56-0x0000000010000000-0x0000000010022000-memory.dmp upx behavioral1/files/0x00140000000054ab-59.dat upx behavioral1/memory/1712-60-0x0000000010000000-0x0000000010022000-memory.dmp upx behavioral1/memory/1788-61-0x0000000010000000-0x0000000010022000-memory.dmp upx behavioral1/memory/1712-62-0x0000000010000000-0x0000000010022000-memory.dmp upx -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1712 rundll32.exe 1712 rundll32.exe 1712 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 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "3c5b77d7a4e1d6a2f8c84c02bfcf24e0a887dbfc31934c07eda152f5b9ac4fe9.dll,1309250235,-496657352,-352895392" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1112 wrote to memory of 1788 1112 rundll32.exe 28 PID 1112 wrote to memory of 1788 1112 rundll32.exe 28 PID 1112 wrote to memory of 1788 1112 rundll32.exe 28 PID 1112 wrote to memory of 1788 1112 rundll32.exe 28 PID 1112 wrote to memory of 1788 1112 rundll32.exe 28 PID 1112 wrote to memory of 1788 1112 rundll32.exe 28 PID 1112 wrote to memory of 1788 1112 rundll32.exe 28 PID 1788 wrote to memory of 1712 1788 rundll32.exe 29 PID 1788 wrote to memory of 1712 1788 rundll32.exe 29 PID 1788 wrote to memory of 1712 1788 rundll32.exe 29 PID 1788 wrote to memory of 1712 1788 rundll32.exe 29 PID 1788 wrote to memory of 1712 1788 rundll32.exe 29 PID 1788 wrote to memory of 1712 1788 rundll32.exe 29 PID 1788 wrote to memory of 1712 1788 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3c5b77d7a4e1d6a2f8c84c02bfcf24e0a887dbfc31934c07eda152f5b9ac4fe9.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3c5b77d7a4e1d6a2f8c84c02bfcf24e0a887dbfc31934c07eda152f5b9ac4fe9.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\msremotx.dll",_RunAs@163⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1712
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
38KB
MD513640d4711f5f5c3c68777c35bf72f3b
SHA1c0de84c66ef3782a32229d350c4777f26a51c51b
SHA2563c5b77d7a4e1d6a2f8c84c02bfcf24e0a887dbfc31934c07eda152f5b9ac4fe9
SHA5120f138800c8f106ee4f4b58ed923a5f8cc5ffccc3f98807f4b4cf4c6552e7459c107973f0c03e093a87768846145d1021c6e82cb2a5018b720c35b04ba6f80735