Analysis
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max time kernel
150s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 20:08
Behavioral task
behavioral1
Sample
886cf8c4309b229f6f94acb6f25d0aa08b0f458dbb964f187f44e2d3e1750c6b.dll
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
886cf8c4309b229f6f94acb6f25d0aa08b0f458dbb964f187f44e2d3e1750c6b.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
886cf8c4309b229f6f94acb6f25d0aa08b0f458dbb964f187f44e2d3e1750c6b.dll
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Size
39KB
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MD5
a62c3dceea9a3ab7ef913a9f92d5b470
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SHA1
75f8b72be06379d94c751cf1add9be2baef53bf1
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SHA256
886cf8c4309b229f6f94acb6f25d0aa08b0f458dbb964f187f44e2d3e1750c6b
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SHA512
41e749b72951f68650d0552409ebe42bce2e1b8d1d2408358cb6f57bcb151fbe0b5eb5822187604e029818ec98bb4ea6952c197b39039498cb55b1582622e0ed
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SSDEEP
768:KOQz5gWq/XHlLC4wHu2eCJmfIDF4qGfgt76IZl3MO+/sd6xHSqtEnbcuyD7UB:s5gWEVe4wHu2e85JeIRZl3MOvDqOnouL
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/0x000c0000000054a8-59.dat acprotect -
resource yara_rule behavioral1/memory/1340-56-0x0000000010000000-0x0000000010023000-memory.dmp upx behavioral1/files/0x000c0000000054a8-59.dat upx behavioral1/memory/992-60-0x0000000010000000-0x0000000010023000-memory.dmp upx behavioral1/memory/1340-61-0x0000000010000000-0x0000000010023000-memory.dmp upx -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\misaue.dll rundll32.exe File opened for modification C:\Windows\misaue.dll rundll32.exe File opened for modification C:\Windows\lua.wkl 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 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} = "886cf8c4309b229f6f94acb6f25d0aa08b0f458dbb964f187f44e2d3e1750c6b.dll,1314780942,-1057327870,-352895392" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe 992 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1652 wrote to memory of 1340 1652 rundll32.exe 28 PID 1652 wrote to memory of 1340 1652 rundll32.exe 28 PID 1652 wrote to memory of 1340 1652 rundll32.exe 28 PID 1652 wrote to memory of 1340 1652 rundll32.exe 28 PID 1652 wrote to memory of 1340 1652 rundll32.exe 28 PID 1652 wrote to memory of 1340 1652 rundll32.exe 28 PID 1652 wrote to memory of 1340 1652 rundll32.exe 28 PID 1340 wrote to memory of 992 1340 rundll32.exe 29 PID 1340 wrote to memory of 992 1340 rundll32.exe 29 PID 1340 wrote to memory of 992 1340 rundll32.exe 29 PID 1340 wrote to memory of 992 1340 rundll32.exe 29 PID 1340 wrote to memory of 992 1340 rundll32.exe 29 PID 1340 wrote to memory of 992 1340 rundll32.exe 29 PID 1340 wrote to memory of 992 1340 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\886cf8c4309b229f6f94acb6f25d0aa08b0f458dbb964f187f44e2d3e1750c6b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\886cf8c4309b229f6f94acb6f25d0aa08b0f458dbb964f187f44e2d3e1750c6b.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\misaue.dll",_RunAs@163⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:992
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
39KB
MD5a62c3dceea9a3ab7ef913a9f92d5b470
SHA175f8b72be06379d94c751cf1add9be2baef53bf1
SHA256886cf8c4309b229f6f94acb6f25d0aa08b0f458dbb964f187f44e2d3e1750c6b
SHA51241e749b72951f68650d0552409ebe42bce2e1b8d1d2408358cb6f57bcb151fbe0b5eb5822187604e029818ec98bb4ea6952c197b39039498cb55b1582622e0ed