Analysis
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max time kernel
146s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
19-07-2024 19:53
Static task
static1
Behavioral task
behavioral1
Sample
5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe
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Size
196KB
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MD5
5d6ff757b310b0139acd73700c119ef0
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SHA1
42cfc2edeaf6b90b9c700fe604be599cc6d036e0
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SHA256
2728ef42c7ad0fb173a3e5c7c3eec68aa2944491e40008a45c10d14c6fab7751
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SHA512
30ca125c427a027411f418b1ecea26b20702340427a689548c118f37e051d13ac9e5b752dd15eb67561e724d32d3a6c614742254779e20a5d5eeaa30780a88a7
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SSDEEP
768:fakpqjO21KtbdKE2f83pY4zCQ/zkKbF1GWDGyx0bPr3mW1GixBbPr6:ppcMbL22zCMrFYWDuyW1V
Malware Config
Extracted
xtremerat
momo44.bo-ip.biz
Signatures
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Detect XtremeRAT payload 5 IoCs
resource yara_rule behavioral2/memory/4408-7-0x0000000000C80000-0x0000000000CB1000-memory.dmp family_xtremerat behavioral2/memory/2416-11-0x0000000000C80000-0x0000000000CB1000-memory.dmp family_xtremerat behavioral2/memory/4408-12-0x0000000000C80000-0x0000000000CB1000-memory.dmp family_xtremerat behavioral2/memory/4408-13-0x0000000000C81000-0x0000000000CAD000-memory.dmp family_xtremerat behavioral2/memory/2416-15-0x0000000000C80000-0x0000000000CB1000-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 Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{66X6BJ85-YIN7-8603-81KW-5S7W60M8BWU3} 5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{66X6BJ85-YIN7-8603-81KW-5S7W60M8BWU3}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" 5d6ff757b310b0139acd73700c119ef0_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\\system32\\InstallDir\\Server.exe" 5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" 5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\InstallDir\Server.exe 5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe File created C:\Windows\SysWOW64\InstallDir\Server.exe 5d6ff757b310b0139acd73700c119ef0_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 2416 svchost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4408 wrote to memory of 2416 4408 5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe 85 PID 4408 wrote to memory of 2416 4408 5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe 85 PID 4408 wrote to memory of 2416 4408 5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe 85 PID 4408 wrote to memory of 2416 4408 5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5d6ff757b310b0139acd73700c119ef0_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:4408 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Suspicious use of SetWindowsHookEx
PID:2416
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