Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
04/12/2022, 00:57
Behavioral task
behavioral1
Sample
ee9681bb1d51907b9aa5aa72b17f0419dfe5a2d805971926809acbded04c8889.dll
Resource
win7-20220812-en
windows7-x64
Behavioral task
behavioral2
Sample
ee9681bb1d51907b9aa5aa72b17f0419dfe5a2d805971926809acbded04c8889.dll
Resource
win10v2004-20220901-en
windows10-2004-x64
General
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Target
ee9681bb1d51907b9aa5aa72b17f0419dfe5a2d805971926809acbded04c8889.dll
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Size
37KB
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MD5
1477aefb8f32e4b42586ede8c3e0f453
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SHA1
aa3c970390e2545b7d72cd848e5b6e9126cf3df7
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SHA256
ee9681bb1d51907b9aa5aa72b17f0419dfe5a2d805971926809acbded04c8889
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SHA512
53bda39a2242f5cfa5ff6919acb2f202a442b0901ddd73f551c81158e8d21916491d2f3a6df638f2e75299a0b34814cb52e90f569c0a64bd68263c6554e28397
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SSDEEP
768:EgvRYQ6Tu98ZXmVhXqAi/mu3QcHRItXyXnbcuyD7UdR:7vRYQ8W+XmiA8pFxI5yXnouy8dR
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/0x0002000000022dfa-135.dat acprotect behavioral2/files/0x0002000000022dfa-136.dat acprotect -
resource yara_rule behavioral2/memory/3268-133-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral2/files/0x0002000000022dfa-135.dat upx behavioral2/files/0x0002000000022dfa-136.dat upx behavioral2/memory/2064-137-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral2/memory/3268-138-0x0000000010000000-0x000000001001F000-memory.dmp upx -
Loads dropped DLL 1 IoCs
pid Process 2064 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 2064 rundll32.exe 2064 rundll32.exe 2064 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\mspime.dll rundll32.exe File opened for modification C:\Windows\mspime.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\{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} = "ee9681bb1d51907b9aa5aa72b17f0419dfe5a2d805971926809acbded04c8889.dll,1312254664,1947795251,-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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe 2064 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3488 wrote to memory of 3268 3488 rundll32.exe 81 PID 3488 wrote to memory of 3268 3488 rundll32.exe 81 PID 3488 wrote to memory of 3268 3488 rundll32.exe 81 PID 3268 wrote to memory of 2064 3268 rundll32.exe 82 PID 3268 wrote to memory of 2064 3268 rundll32.exe 82 PID 3268 wrote to memory of 2064 3268 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ee9681bb1d51907b9aa5aa72b17f0419dfe5a2d805971926809acbded04c8889.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ee9681bb1d51907b9aa5aa72b17f0419dfe5a2d805971926809acbded04c8889.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\mspime.dll",_RunAs@163⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:2064
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
37KB
MD51477aefb8f32e4b42586ede8c3e0f453
SHA1aa3c970390e2545b7d72cd848e5b6e9126cf3df7
SHA256ee9681bb1d51907b9aa5aa72b17f0419dfe5a2d805971926809acbded04c8889
SHA51253bda39a2242f5cfa5ff6919acb2f202a442b0901ddd73f551c81158e8d21916491d2f3a6df638f2e75299a0b34814cb52e90f569c0a64bd68263c6554e28397
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Filesize
37KB
MD51477aefb8f32e4b42586ede8c3e0f453
SHA1aa3c970390e2545b7d72cd848e5b6e9126cf3df7
SHA256ee9681bb1d51907b9aa5aa72b17f0419dfe5a2d805971926809acbded04c8889
SHA51253bda39a2242f5cfa5ff6919acb2f202a442b0901ddd73f551c81158e8d21916491d2f3a6df638f2e75299a0b34814cb52e90f569c0a64bd68263c6554e28397