Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 21:36
Behavioral task
behavioral1
Sample
fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe
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Size
315KB
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MD5
fb371836525989320d570ccb8d4a94c0
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SHA1
162e47a7f9e6d1d0cf695c9f4be0536e4c904139
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SHA256
a0830538e1da0efcbbe43ecbba0ea7397afb587e8d8eb50863b65402726aa7f6
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SHA512
1a44d864033e9b81082cc745590df6e40c111cde7eecc3df7ddca8ee5f203eaaa674ac4c2d3ceb6cffbc3405d692bf4bf32f1b632926b2028405fa300286102a
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SSDEEP
6144:U1db49+rEg024fpLZazEjvE/rbay19tSt4bO2BaDmeBJe59utc2j18m7:UjkArEN249AyE/rbaMct4bO2/VfC18S
Malware Config
Extracted
xtremerat
hasn.no-ip.org
Signatures
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Detect XtremeRAT payload 8 IoCs
Processes:
resource yara_rule behavioral2/memory/1868-5-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/1868-6-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/1908-7-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/3452-8-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/1868-9-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/3452-12-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/1908-13-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/3452-14-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat -
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
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Modifies Installed Components in the registry 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{35V344L7-T1G3-0G70-717K-5JOTX8D60C7T}\StubPath = "C:\\Windows\\system32\\system32\\system.exe restart" explorer.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{35V344L7-T1G3-0G70-717K-5JOTX8D60C7T} explorer.exe -
Processes:
resource yara_rule behavioral2/memory/1796-0-0x0000000000400000-0x00000000004B6000-memory.dmp upx behavioral2/memory/1868-1-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1796-3-0x0000000000400000-0x00000000004B6000-memory.dmp upx behavioral2/memory/1868-4-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1868-5-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1868-6-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1908-7-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/3452-8-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1868-9-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/3452-12-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1908-13-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/3452-14-0x0000000010000000-0x000000001004D000-memory.dmp upx -
Adds Run key to start application 2 TTPs 3 IoCs
Processes:
explorer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\system32\\system32\\system.exe" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\system32\\system32\\system.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\system32\\system32\\system.exe" explorer.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral2/memory/1796-3-0x0000000000400000-0x00000000004B6000-memory.dmp autoit_exe -
Drops file in System32 directory 3 IoCs
Processes:
explorer.exedescription ioc process File created C:\Windows\SysWOW64\system32\system.exe explorer.exe File opened for modification C:\Windows\SysWOW64\system32\ explorer.exe File opened for modification C:\Windows\SysWOW64\system32\system.exe explorer.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exedescription pid process target process PID 1796 set thread context of 1868 1796 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 4780 1908 WerFault.exe svchost.exe 4956 1908 WerFault.exe svchost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
explorer.exepid process 3452 explorer.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exefb371836525989320d570ccb8d4a94c0_JaffaCakes118.exedescription pid process target process PID 1796 wrote to memory of 1868 1796 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe PID 1796 wrote to memory of 1868 1796 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe PID 1796 wrote to memory of 1868 1796 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe PID 1796 wrote to memory of 1868 1796 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe PID 1796 wrote to memory of 1868 1796 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe PID 1796 wrote to memory of 1868 1796 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe PID 1796 wrote to memory of 1868 1796 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe PID 1868 wrote to memory of 1908 1868 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe svchost.exe PID 1868 wrote to memory of 1908 1868 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe svchost.exe PID 1868 wrote to memory of 1908 1868 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe svchost.exe PID 1868 wrote to memory of 1908 1868 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe svchost.exe PID 1868 wrote to memory of 3452 1868 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe explorer.exe PID 1868 wrote to memory of 3452 1868 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe explorer.exe PID 1868 wrote to memory of 3452 1868 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe explorer.exe PID 1868 wrote to memory of 3452 1868 fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe explorer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fb371836525989320d570ccb8d4a94c0_JaffaCakes118.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 4804⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 4884⤵
- Program crash
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C:\Windows\SysWOW64\explorer.exeexplorer.exe3⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1908 -ip 19081⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1908 -ip 19081⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1796-0-0x0000000000400000-0x00000000004B6000-memory.dmpFilesize
728KB
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memory/1796-3-0x0000000000400000-0x00000000004B6000-memory.dmpFilesize
728KB
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memory/1868-1-0x0000000010000000-0x000000001004D000-memory.dmpFilesize
308KB
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memory/1868-4-0x0000000010000000-0x000000001004D000-memory.dmpFilesize
308KB
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memory/1868-5-0x0000000010000000-0x000000001004D000-memory.dmpFilesize
308KB
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memory/1868-6-0x0000000010000000-0x000000001004D000-memory.dmpFilesize
308KB
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memory/1868-9-0x0000000010000000-0x000000001004D000-memory.dmpFilesize
308KB
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memory/1908-7-0x0000000010000000-0x000000001004D000-memory.dmpFilesize
308KB
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memory/1908-13-0x0000000010000000-0x000000001004D000-memory.dmpFilesize
308KB
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memory/3452-8-0x0000000010000000-0x000000001004D000-memory.dmpFilesize
308KB
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memory/3452-12-0x0000000010000000-0x000000001004D000-memory.dmpFilesize
308KB
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memory/3452-14-0x0000000010000000-0x000000001004D000-memory.dmpFilesize
308KB