Analysis
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max time kernel
151s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06/12/2022, 21:01
Behavioral task
behavioral1
Sample
bbc380ac603ba180d4bd6d2ab843b75b525d8977a4803346562540f3b7a5df34.dll
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
bbc380ac603ba180d4bd6d2ab843b75b525d8977a4803346562540f3b7a5df34.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bbc380ac603ba180d4bd6d2ab843b75b525d8977a4803346562540f3b7a5df34.dll
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Size
34KB
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MD5
648532d571102480c7af618a269bc75b
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SHA1
5b48133adc02ac1847a26922b93722e4f94e2601
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SHA256
bbc380ac603ba180d4bd6d2ab843b75b525d8977a4803346562540f3b7a5df34
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SHA512
d19b3a7e6283c50cd79cde24619bab0c3b90bcdf8b02c8c41dde393a93b04440c955882612ee4480dc1fa1394b6c6e24ce73af90dea06f1a3406036769aa958e
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SSDEEP
768:5JKWokTdcOENsEgfFObB5F9ndjInbcuyD7UYAD:5JK6dcOEytODjZInouy8YAD
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/1992-56-0x0000000010000000-0x000000001001E000-memory.dmp upx behavioral1/files/0x000c0000000054a8-59.dat upx behavioral1/memory/1736-60-0x0000000010000000-0x000000001001E000-memory.dmp upx behavioral1/memory/1992-61-0x0000000010000000-0x000000001001E000-memory.dmp upx -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\mxreoti.dll rundll32.exe File opened for modification C:\Windows\mxreoti.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} = "bbc380ac603ba180d4bd6d2ab843b75b525d8977a4803346562540f3b7a5df34.dll,1311598671,-992621559,-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 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe 1736 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2012 wrote to memory of 1992 2012 rundll32.exe 28 PID 2012 wrote to memory of 1992 2012 rundll32.exe 28 PID 2012 wrote to memory of 1992 2012 rundll32.exe 28 PID 2012 wrote to memory of 1992 2012 rundll32.exe 28 PID 2012 wrote to memory of 1992 2012 rundll32.exe 28 PID 2012 wrote to memory of 1992 2012 rundll32.exe 28 PID 2012 wrote to memory of 1992 2012 rundll32.exe 28 PID 1992 wrote to memory of 1736 1992 rundll32.exe 29 PID 1992 wrote to memory of 1736 1992 rundll32.exe 29 PID 1992 wrote to memory of 1736 1992 rundll32.exe 29 PID 1992 wrote to memory of 1736 1992 rundll32.exe 29 PID 1992 wrote to memory of 1736 1992 rundll32.exe 29 PID 1992 wrote to memory of 1736 1992 rundll32.exe 29 PID 1992 wrote to memory of 1736 1992 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bbc380ac603ba180d4bd6d2ab843b75b525d8977a4803346562540f3b7a5df34.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bbc380ac603ba180d4bd6d2ab843b75b525d8977a4803346562540f3b7a5df34.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\mxreoti.dll",_RunAs@163⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1736
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
34KB
MD5648532d571102480c7af618a269bc75b
SHA15b48133adc02ac1847a26922b93722e4f94e2601
SHA256bbc380ac603ba180d4bd6d2ab843b75b525d8977a4803346562540f3b7a5df34
SHA512d19b3a7e6283c50cd79cde24619bab0c3b90bcdf8b02c8c41dde393a93b04440c955882612ee4480dc1fa1394b6c6e24ce73af90dea06f1a3406036769aa958e