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Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26/11/2024, 16:18
Static task
static1
Behavioral task
behavioral1
Sample
a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe
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Size
608KB
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MD5
a2ed1f80ee06b027fc944d6c2f6b163c
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SHA1
09e0348cf0db690ebb09afc0c34cf1c367cb3c84
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SHA256
8019903919c7330a0b4d30dc339280a58736cd748ad8a045213e6f905893a7d1
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SHA512
8be7ab788b4125b2139215f09be9239a4e410d8eea78917a7ac0907b1a90aa872627b88f8e2a0a6a6ed9291e3f9439064784baeb5e46b86308118a227201cdab
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SSDEEP
3072:zPSntbmP+T1st246/YXyKqNaKniNMPKF9dE9kprz4c03rg6qF+c7Et7fa3/1vff:zPSXc1X
Malware Config
Extracted
xtremerat
laptope.sytes.net
Signatures
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Detect XtremeRAT payload 9 IoCs
resource yara_rule behavioral2/memory/5104-3-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/5104-2-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/5104-4-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/5104-5-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/2296-6-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/5104-8-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/5104-9-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/2296-11-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/5104-12-0x0000000010000000-0x000000001004A000-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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Xtremerat family
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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\{C66CJXUT-448C-308Y-8F8A-58C001V6P1IW}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{C66CJXUT-448C-308Y-8F8A-58C001V6P1IW} a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.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\\InstallDir\\Server.exe" a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1916 set thread context of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\InstallDir\Server.exe a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe File created C:\Windows\InstallDir\Server.exe a2ed1f80ee06b027fc944d6c2f6b163c_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 1912 2296 WerFault.exe 83 3640 2296 WerFault.exe 83 -
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 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 5104 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 1916 wrote to memory of 5104 1916 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 82 PID 5104 wrote to memory of 2296 5104 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 83 PID 5104 wrote to memory of 2296 5104 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 83 PID 5104 wrote to memory of 2296 5104 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 83 PID 5104 wrote to memory of 2296 5104 a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Users\Admin\AppData\Local\Temp\a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a2ed1f80ee06b027fc944d6c2f6b163c_JaffaCakes118.exe"2⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- System Location Discovery: System Language Discovery
PID:2296 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 4804⤵
- Program crash
PID:1912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 4884⤵
- Program crash
PID:3640
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2296 -ip 22961⤵PID:924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2296 -ip 22961⤵PID:1576
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1