Analysis
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max time kernel
147s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
19-07-2024 20:42
Behavioral task
behavioral1
Sample
5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe
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Size
44KB
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MD5
5d96e4a8fb5e9e187114125c6c4a813f
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SHA1
7a2472cd8d794cddb46a4df57b268459e497f80b
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SHA256
9766e9cf33fd1d13ec249ea9dd8e203745ada10d2bb92555a9048161efc5bfce
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SHA512
cdeade43628aa65ca2fe6eb5ca715896e27341cb69d3cda26fffdc284c8c6620defa80320e0aae74dd93cae87bb2d75bccc3151195b40bddc112e66d2961e161
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SSDEEP
768:rBr+tjFqTPkAlfztB1lJ6an3smTA8uvm2DfOTwYPIkzoiQ:FyRUHlrL1lJ6an3TLuvm2buQkoiQ
Malware Config
Extracted
xtremerat
namehost.dyndns.org
Signatures
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Detect XtremeRAT payload 4 IoCs
resource yara_rule behavioral1/memory/2812-11-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/2952-8-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/2136-12-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/2812-14-0x0000000000C80000-0x0000000000C93000-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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Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\wbem\\xml.exe restart" 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 2952 explorer.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\wbem\\xml.exe" 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe" 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\wbem\xml.exe 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe File created C:\Windows\SysWOW64\wbem\xml.exe 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\wbem\ 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2812 svchost.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2136 wrote to memory of 2812 2136 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe 30 PID 2136 wrote to memory of 2812 2136 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe 30 PID 2136 wrote to memory of 2812 2136 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe 30 PID 2136 wrote to memory of 2812 2136 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe 30 PID 2136 wrote to memory of 2952 2136 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe 31 PID 2136 wrote to memory of 2952 2136 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe 31 PID 2136 wrote to memory of 2952 2136 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe 31 PID 2136 wrote to memory of 2952 2136 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe 31 PID 2136 wrote to memory of 2952 2136 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe 31 PID 2136 wrote to memory of 2812 2136 5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5d96e4a8fb5e9e187114125c6c4a813f_JaffaCakes118.exe"1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Suspicious use of SetWindowsHookEx
PID:2812
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C:\Windows\SysWOW64\explorer.exeexplorer.exe2⤵
- Deletes itself
PID:2952
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