Analysis
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max time kernel
152s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2022 21:01
Behavioral task
behavioral1
Sample
bbc380ac603ba180d4bd6d2ab843b75b525d8977a4803346562540f3b7a5df34.dll
Resource
win7-20220812-en
windows7-x64
Behavioral task
behavioral2
Sample
bbc380ac603ba180d4bd6d2ab843b75b525d8977a4803346562540f3b7a5df34.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
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
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/0x0008000000022e3a-134.dat acprotect behavioral2/files/0x0008000000022e3a-135.dat acprotect -
resource yara_rule behavioral2/files/0x0008000000022e3a-134.dat upx behavioral2/files/0x0008000000022e3a-135.dat upx behavioral2/memory/5056-136-0x0000000010000000-0x000000001001E000-memory.dmp upx behavioral2/memory/3576-137-0x0000000010000000-0x000000001001E000-memory.dmp upx behavioral2/memory/3576-138-0x0000000010000000-0x000000001001E000-memory.dmp upx -
Loads dropped DLL 1 IoCs
pid Process 3576 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 3576 rundll32.exe 3576 rundll32.exe 3576 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 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe 3576 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4568 wrote to memory of 5056 4568 rundll32.exe 79 PID 4568 wrote to memory of 5056 4568 rundll32.exe 79 PID 4568 wrote to memory of 5056 4568 rundll32.exe 79 PID 5056 wrote to memory of 3576 5056 rundll32.exe 80 PID 5056 wrote to memory of 3576 5056 rundll32.exe 80 PID 5056 wrote to memory of 3576 5056 rundll32.exe 80
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:4568 -
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:5056 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\mxreoti.dll",_RunAs@163⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3576
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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
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Filesize
34KB
MD5648532d571102480c7af618a269bc75b
SHA15b48133adc02ac1847a26922b93722e4f94e2601
SHA256bbc380ac603ba180d4bd6d2ab843b75b525d8977a4803346562540f3b7a5df34
SHA512d19b3a7e6283c50cd79cde24619bab0c3b90bcdf8b02c8c41dde393a93b04440c955882612ee4480dc1fa1394b6c6e24ce73af90dea06f1a3406036769aa958e