Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
12-07-2024 04:57
Static task
static1
Behavioral task
behavioral1
Sample
3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe
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Size
216KB
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MD5
3c0d8ae00bf66229b3d7f1fdd8049adc
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SHA1
7b97581fdfb7e1de3b89c7e6d228ba9fb66291fb
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SHA256
c6d20abd88b10a08256ebbcd71626802629e7275f2fafd2fd49562210e878a43
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SHA512
4c17663cb701c78bdbdff081f8481451513a718f37ac5b52c1d3e93dab61650e7813677f0bbd00f987a2595228660904eb4ceb1981623036f0516d36b870afb8
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SSDEEP
3072:CLJMeQm+h3MqrbgwLzUxDPJn2ibmzCm1b9nxvw6pi29riC5x:WMeUgwfURlnC+mt9xX6C5
Malware Config
Extracted
xtremerat
finders.hopto.org
Signatures
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Detect XtremeRAT payload 9 IoCs
Processes:
resource yara_rule behavioral2/memory/1704-7-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1704-8-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1704-9-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/4496-13-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/112-14-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/4496-17-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/112-18-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/112-19-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/112-20-0x0000000010000000-0x000000001004A000-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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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.
Processes:
explorer.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{NFYV42Y2-201S-U844-4WM4-7ACJ65L301DE} explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{NFYV42Y2-201S-U844-4WM4-7ACJ65L301DE}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.exe restart" explorer.exe -
Deletes itself 1 IoCs
Processes:
explorer.exepid process 112 explorer.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Google Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Google Updates\\cssrs.exe" explorer.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exedescription ioc process File opened for modification \??\PhysicalDrive0 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exedescription pid process target process PID 4488 set thread context of 1844 4488 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 set thread context of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_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 4416 4496 WerFault.exe svchost.exe 1692 4496 WerFault.exe svchost.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exeexplorer.exepid process 4488 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 112 explorer.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exedescription pid process target process PID 4488 wrote to memory of 1844 4488 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 4488 wrote to memory of 1844 4488 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 4488 wrote to memory of 1844 4488 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 4488 wrote to memory of 1844 4488 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 4488 wrote to memory of 1844 4488 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 4488 wrote to memory of 1844 4488 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 4488 wrote to memory of 1844 4488 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 4488 wrote to memory of 1844 4488 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1844 wrote to memory of 1704 1844 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe PID 1704 wrote to memory of 4496 1704 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe svchost.exe PID 1704 wrote to memory of 4496 1704 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe svchost.exe PID 1704 wrote to memory of 4496 1704 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe svchost.exe PID 1704 wrote to memory of 4496 1704 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe svchost.exe PID 1704 wrote to memory of 112 1704 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe explorer.exe PID 1704 wrote to memory of 112 1704 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe explorer.exe PID 1704 wrote to memory of 112 1704 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe explorer.exe PID 1704 wrote to memory of 112 1704 3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe explorer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3c0d8ae00bf66229b3d7f1fdd8049adc_JaffaCakes118.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\SysWOW64\svchost.exesvchost.exe4⤵PID:4496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 4845⤵
- Program crash
PID:4416 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 4925⤵
- Program crash
PID:1692 -
C:\Windows\SysWOW64\explorer.exeexplorer.exe4⤵
- Boot or Logon Autostart Execution: Active Setup
- Deletes itself
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4496 -ip 44961⤵PID:1004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4496 -ip 44961⤵PID:4996