Analysis
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max time kernel
144s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
01-07-2024 16:57
Behavioral task
behavioral1
Sample
1bc7db208fb6cc34fd08bf9c1ed14a71_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
1bc7db208fb6cc34fd08bf9c1ed14a71_JaffaCakes118.exe
Resource
win10v2004-20240611-en
General
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Target
1bc7db208fb6cc34fd08bf9c1ed14a71_JaffaCakes118.exe
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Size
93KB
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MD5
1bc7db208fb6cc34fd08bf9c1ed14a71
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SHA1
2f88697737dd798dbb6ecc3f3102cbaecb20eff0
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SHA256
239281cf00bc9d6338829a45b61e306268908595edef6956a3eb48401c9d9703
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SHA512
5fd5254dd43587d10a7be157c05d279c4b088deadef4e71849d5da457aa526a4791735a10e0daa419df5357cf4b09dc241f78ebc99bb3c1821172e6fd03de426
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SSDEEP
1536:u966bMGYpHhmIhyx9XlibMwZnwJ7/Ig0cTxzmKa3iqltpDJEasBMDYP77:u966bM5pHhDIHXFJ7/ICoiyVJfH
Malware Config
Extracted
metasploit
encoder/call4_dword_xor
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Deletes itself 1 IoCs
Processes:
msservice.exepid process 2356 msservice.exe -
Executes dropped EXE 1 IoCs
Processes:
msservice.exepid process 2356 msservice.exe -
Processes:
resource yara_rule behavioral1/memory/1368-0-0x0000000000400000-0x0000000000487000-memory.dmp vmprotect behavioral1/memory/1368-1-0x0000000000400000-0x0000000000487000-memory.dmp vmprotect C:\Windows\system\msservice.exe vmprotect behavioral1/memory/2356-6-0x0000000000400000-0x0000000000487000-memory.dmp vmprotect behavioral1/memory/1368-9-0x0000000000400000-0x0000000000487000-memory.dmp vmprotect behavioral1/memory/2356-11-0x0000000000400000-0x0000000000487000-memory.dmp vmprotect -
Drops file in System32 directory 1 IoCs
Processes:
msservice.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat msservice.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
1bc7db208fb6cc34fd08bf9c1ed14a71_JaffaCakes118.exemsservice.exepid process 1368 1bc7db208fb6cc34fd08bf9c1ed14a71_JaffaCakes118.exe 2356 msservice.exe -
Drops file in Windows directory 2 IoCs
Processes:
1bc7db208fb6cc34fd08bf9c1ed14a71_JaffaCakes118.exedescription ioc process File created C:\Windows\system\msservice.exe 1bc7db208fb6cc34fd08bf9c1ed14a71_JaffaCakes118.exe File opened for modification C:\Windows\system\msservice.exe 1bc7db208fb6cc34fd08bf9c1ed14a71_JaffaCakes118.exe -
Modifies data under HKEY_USERS 6 IoCs
Processes:
msservice.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings msservice.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections msservice.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 msservice.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings msservice.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" msservice.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 msservice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1bc7db208fb6cc34fd08bf9c1ed14a71_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1bc7db208fb6cc34fd08bf9c1ed14a71_JaffaCakes118.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
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C:\Windows\system\msservice.exe"C:\Windows\system\msservice.exe"1⤵
- Deletes itself
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Windows\system\msservice.exeFilesize
93KB
MD51bc7db208fb6cc34fd08bf9c1ed14a71
SHA12f88697737dd798dbb6ecc3f3102cbaecb20eff0
SHA256239281cf00bc9d6338829a45b61e306268908595edef6956a3eb48401c9d9703
SHA5125fd5254dd43587d10a7be157c05d279c4b088deadef4e71849d5da457aa526a4791735a10e0daa419df5357cf4b09dc241f78ebc99bb3c1821172e6fd03de426
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memory/1368-0-0x0000000000400000-0x0000000000487000-memory.dmpFilesize
540KB
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memory/1368-1-0x0000000000400000-0x0000000000487000-memory.dmpFilesize
540KB
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memory/1368-9-0x0000000000400000-0x0000000000487000-memory.dmpFilesize
540KB
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memory/2356-6-0x0000000000400000-0x0000000000487000-memory.dmpFilesize
540KB
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memory/2356-11-0x0000000000400000-0x0000000000487000-memory.dmpFilesize
540KB