Analysis
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max time kernel
144s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29-01-2023 21:58
Behavioral task
behavioral1
Sample
3b75334de4798eea48c2b47180c6d059821ba5cbb46f74b8b060e230dba245a4.dll
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
General
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Target
3b75334de4798eea48c2b47180c6d059821ba5cbb46f74b8b060e230dba245a4.dll
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Size
702KB
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MD5
52c05bd4dcd33aae52fa663a38c72cc0
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SHA1
9d52ade35495b8ed1eff7d4e690322152f45b31d
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SHA256
3b75334de4798eea48c2b47180c6d059821ba5cbb46f74b8b060e230dba245a4
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SHA512
1b537092cba58cc61d6ca41af33e1ab4a20f07f49a85de7e07a6ca4ee2d42cdb9780c7410fd25f3de10dd114133ff95d62c23e34049b5e1141476d4277daf066
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SSDEEP
12288:YgIn6s/NFLEs3IOcwKs/rs9aaVBTlm64fPtA+AfbOIEH/WRep8KKJv34:YdJjIOcwKs/r8lm6L+vz/eepPy
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/1268-56-0x0000000002080000-0x0000000002226000-memory.dmp purplefox_rootkit behavioral1/memory/1268-62-0x0000000010000000-0x0000000010169000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1268-56-0x0000000002080000-0x0000000002226000-memory.dmp family_gh0strat behavioral1/memory/1268-62-0x0000000010000000-0x0000000010169000-memory.dmp family_gh0strat -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 1 1268 rundll32.exe 3 1268 rundll32.exe -
Processes:
resource yara_rule behavioral1/memory/1268-62-0x0000000010000000-0x0000000010169000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Éù¿¨Çý¶¯ = "C:\\Windows\\SysWOW64\\rundll32.exe" rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 844 wrote to memory of 1268 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1268 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1268 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1268 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1268 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1268 844 rundll32.exe rundll32.exe PID 844 wrote to memory of 1268 844 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3b75334de4798eea48c2b47180c6d059821ba5cbb46f74b8b060e230dba245a4.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3b75334de4798eea48c2b47180c6d059821ba5cbb46f74b8b060e230dba245a4.dll,#12⤵
- Blocklisted process makes network request
- Adds Run key to start application
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1268-54-0x0000000000000000-mapping.dmp
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memory/1268-55-0x0000000075601000-0x0000000075603000-memory.dmpFilesize
8KB
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memory/1268-56-0x0000000002080000-0x0000000002226000-memory.dmpFilesize
1.6MB
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memory/1268-62-0x0000000010000000-0x0000000010169000-memory.dmpFilesize
1.4MB