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Analysis
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max time kernel
136s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18/10/2024, 19:05
Static task
static1
Behavioral task
behavioral1
Sample
590433f876b83b78efb954900371c41c_JaffaCakes118.exe
Resource
win7-20241010-en
General
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Target
590433f876b83b78efb954900371c41c_JaffaCakes118.exe
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Size
312KB
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MD5
590433f876b83b78efb954900371c41c
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SHA1
463f5a14a3165f77cd86011e123c783f5e0392df
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SHA256
1bcf7ab9df0b2e8906a7f6ef06dcb2692130d0c6ccd387b1affd9e0780f037fe
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SHA512
7da39ff77cd6c2e7fc6d1b76231662b6e604890176cd238284aa7f9684cd509f53cce2a5a36293c404d90d3caa0b91841cddc39f27f05d75aee95234e16ef306
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SSDEEP
6144:KxK3EdhAcBWEEb/pKoG2uZOX6/78EHvlHxPgEN5K6zZLo6:9dGWEw/prGtYTatRoI5K6z9t
Malware Config
Extracted
xtremerat
iuyfdsghj.myvnc.com
Signatures
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Detect XtremeRAT payload 3 IoCs
resource yara_rule behavioral2/memory/2428-9-0x0000000010000000-0x000000001004F000-memory.dmp family_xtremerat behavioral2/memory/764-10-0x0000000010000000-0x000000001004F000-memory.dmp family_xtremerat behavioral2/memory/764-13-0x0000000010000000-0x000000001004F000-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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 792 set thread context of 2428 792 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 86 -
resource yara_rule behavioral2/memory/2428-4-0x0000000010000000-0x000000001004F000-memory.dmp upx behavioral2/memory/2428-6-0x0000000010000000-0x000000001004F000-memory.dmp upx behavioral2/memory/2428-9-0x0000000010000000-0x000000001004F000-memory.dmp upx behavioral2/memory/764-10-0x0000000010000000-0x000000001004F000-memory.dmp upx behavioral2/memory/764-13-0x0000000010000000-0x000000001004F000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\59ima.jpg.exe 590433f876b83b78efb954900371c41c_JaffaCakes118.exe File created C:\Windows\59ima.jpg 590433f876b83b78efb954900371c41c_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
pid pid_target Process procid_target 2260 764 WerFault.exe 87 3820 764 WerFault.exe 87 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 590433f876b83b78efb954900371c41c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 590433f876b83b78efb954900371c41c_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 792 590433f876b83b78efb954900371c41c_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 792 wrote to memory of 2428 792 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 86 PID 792 wrote to memory of 2428 792 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 86 PID 792 wrote to memory of 2428 792 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 86 PID 792 wrote to memory of 2428 792 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 86 PID 792 wrote to memory of 2428 792 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 86 PID 792 wrote to memory of 2428 792 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 86 PID 792 wrote to memory of 2428 792 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 86 PID 792 wrote to memory of 2428 792 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 86 PID 2428 wrote to memory of 764 2428 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 87 PID 2428 wrote to memory of 764 2428 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 87 PID 2428 wrote to memory of 764 2428 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 87 PID 2428 wrote to memory of 764 2428 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 87 PID 2428 wrote to memory of 3416 2428 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 88 PID 2428 wrote to memory of 3416 2428 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 88 PID 2428 wrote to memory of 3416 2428 590433f876b83b78efb954900371c41c_JaffaCakes118.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\590433f876b83b78efb954900371c41c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\590433f876b83b78efb954900371c41c_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:792 -
C:\Users\Admin\AppData\Local\Temp\590433f876b83b78efb954900371c41c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\590433f876b83b78efb954900371c41c_JaffaCakes118.exe"2⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- System Location Discovery: System Language Discovery
PID:764 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 4804⤵
- Program crash
PID:2260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 4884⤵
- Program crash
PID:3820
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"3⤵PID:3416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 764 -ip 7641⤵PID:5004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 764 -ip 7641⤵PID:4024