Analysis
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max time kernel
1799s -
max time network
1804s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
31-05-2024 10:45
Behavioral task
behavioral1
Sample
Injector2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Injector2.exe
Resource
win10v2004-20240426-en
General
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Target
Injector2.exe
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Size
327KB
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MD5
3e1b6c00c152ecd0945df66e71caa4c1
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SHA1
6b4e5c1646cac905034b740205f6003a73e872dc
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SHA256
1bee8362e0fffaa161de96775b92a2b6be47e65798251d0bfd4b82d134cfbd89
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SHA512
82a8682d63cb88e74667b9a4824e8d832aa9116fd8854e9debc0912ce1a5437544db213e363a6cfbf42bd5a1b0ed6ba4f622803759ca66e6ab50c4ad34b4627b
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SSDEEP
1536:MDW2YGf/GEjNLTkAD5eZZerr+bhsFz08ISAkTO/2jxSZEsFGfFuAYCRAutPsAzAz:MDrYW/rka5Rr+bhsjItGOOj0j
Malware Config
Extracted
xworm
rat234678235481254.ddns.net:4782
<Xwormmm>:3412
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Install_directory
%AppData%
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install_file
Runtime Broker.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2772-1-0x00000000002D0000-0x0000000000326000-memory.dmp family_xworm -
Drops startup file 2 IoCs
Processes:
Injector2.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Runtime Broker.lnk Injector2.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Runtime Broker.lnk Injector2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Injector2.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Runtime Broker = "C:\\Users\\Admin\\AppData\\Roaming\\Runtime Broker.exe" Injector2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Injector2.exepid process 2772 Injector2.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Injector2.exedescription pid process Token: SeDebugPrivilege 2772 Injector2.exe Token: SeDebugPrivilege 2772 Injector2.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Injector2.exepid process 2772 Injector2.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
Injector2.exedescription pid process target process PID 2772 wrote to memory of 2992 2772 Injector2.exe schtasks.exe PID 2772 wrote to memory of 2992 2772 Injector2.exe schtasks.exe PID 2772 wrote to memory of 2992 2772 Injector2.exe schtasks.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Injector2.exe"C:\Users\Admin\AppData\Local\Temp\Injector2.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Runtime Broker" /tr "C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"2⤵
- Creates scheduled task(s)
PID:2992
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C:\Windows\system32\taskeng.exetaskeng.exe {6494064D-41D5-4A06-A564-9ECA20CCDD9F} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]1⤵PID:2568