Analysis
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max time kernel
169s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06-12-2022 21:05
Behavioral task
behavioral1
Sample
b755f4f03282696267ab8be80f6cbf1b16fcb3b789d0b10c5429926ea7d37390.dll
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
b755f4f03282696267ab8be80f6cbf1b16fcb3b789d0b10c5429926ea7d37390.dll
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b755f4f03282696267ab8be80f6cbf1b16fcb3b789d0b10c5429926ea7d37390.dll
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Size
39KB
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MD5
4afb0605399f02be5ac67e8f0effc365
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SHA1
7d026822463e60acb18a635c7efb3300eee2ea5f
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SHA256
b755f4f03282696267ab8be80f6cbf1b16fcb3b789d0b10c5429926ea7d37390
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SHA512
f756ea81312e348b543810b0371144e5b6cb52b925fc63d9f47c3434f6cd843c1c71926e3af103810790966bd0f03d93b909e7d7468bcc719b1ecc6482914483
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SSDEEP
768:Q3Uz76rYwBJ01XiBkrLDmAtp6eZiGZxT1UDB5bKaqJeT9oATnbcuyD7Uv:QEaEwUBiBCLDmA1ZjUDr0jATnouy8v
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/1360-56-0x0000000010000000-0x0000000010023000-memory.dmp upx behavioral1/files/0x000c0000000054a8-59.dat upx behavioral1/memory/892-60-0x0000000010000000-0x0000000010023000-memory.dmp upx behavioral1/memory/1360-61-0x0000000010000000-0x0000000010023000-memory.dmp upx -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 892 rundll32.exe 892 rundll32.exe 892 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\mxreoti.dll rundll32.exe File opened for modification C:\Windows\mxreoti.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} = "b755f4f03282696267ab8be80f6cbf1b16fcb3b789d0b10c5429926ea7d37390.dll,1311330463,-961144586,-352895392" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2020 wrote to memory of 1360 2020 rundll32.exe 28 PID 2020 wrote to memory of 1360 2020 rundll32.exe 28 PID 2020 wrote to memory of 1360 2020 rundll32.exe 28 PID 2020 wrote to memory of 1360 2020 rundll32.exe 28 PID 2020 wrote to memory of 1360 2020 rundll32.exe 28 PID 2020 wrote to memory of 1360 2020 rundll32.exe 28 PID 2020 wrote to memory of 1360 2020 rundll32.exe 28 PID 1360 wrote to memory of 892 1360 rundll32.exe 29 PID 1360 wrote to memory of 892 1360 rundll32.exe 29 PID 1360 wrote to memory of 892 1360 rundll32.exe 29 PID 1360 wrote to memory of 892 1360 rundll32.exe 29 PID 1360 wrote to memory of 892 1360 rundll32.exe 29 PID 1360 wrote to memory of 892 1360 rundll32.exe 29 PID 1360 wrote to memory of 892 1360 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b755f4f03282696267ab8be80f6cbf1b16fcb3b789d0b10c5429926ea7d37390.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b755f4f03282696267ab8be80f6cbf1b16fcb3b789d0b10c5429926ea7d37390.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\mxreoti.dll",_RunAs@163⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:892
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
39KB
MD54afb0605399f02be5ac67e8f0effc365
SHA17d026822463e60acb18a635c7efb3300eee2ea5f
SHA256b755f4f03282696267ab8be80f6cbf1b16fcb3b789d0b10c5429926ea7d37390
SHA512f756ea81312e348b543810b0371144e5b6cb52b925fc63d9f47c3434f6cd843c1c71926e3af103810790966bd0f03d93b909e7d7468bcc719b1ecc6482914483