Analysis
- max time kernel
150s - max time network
129s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
15/04/2026, 04:26
Behavioral task
behavioral1
Sample
2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe
Resource
win10v2004-20260130-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe
Resource
win11-20260130-en
7 signatures
150 seconds
General
- Target 2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe
- Size 832KB
- Sample260415-e2sm6ahz7z
- SHA256 2cd340cb0c443250c5c07d825577ce51a35d03bfe4cf1a63285374edd8e3178d
- MD5 a20b6effcb51e8deac330d72ee57efa5
- SHA1 340abc1f802a614a2fa838621d5be471fd1f5f67
- SHA512 0a8ffa962f75e108cd026620b4e8cda6d3a5bca7103c7cac4cbfbfb65b203d7458b1c7d86545ad015b476df74cc320f855ebb3c7e1116b3163e4799afcd7b968
- SSDEEP 24576:UQKQVQQxfnr+TK7r79/JD71PRi4M5NC8o:yA7
- TLSH T157050A82927F0356CCC822358FB4457BE8B4ADC2A1D2ED29AB81DECBC5797917904737
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Gh0st RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x001a00000002b3e1-4.dat family_gh0strat - Executes dropped EXE 1 IoCs
pid Process 5100 svchest425075242507520.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe" 2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe - Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\Windows\BJ.exe 2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe File created \??\c:\Windows\BJ.exe 2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe File created \??\c:\Windows\svchest425075242507520.exe 2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe File opened for modification \??\c:\Windows\svchest425075242507520.exe 2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe - 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 2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchest425075242507520.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2116 wrote to memory of 5100 2116 2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116 -
\??\c:\Windows\svchest425075242507520.exec:\Windows\svchest425075242507520.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5100
-
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2026-04-15_a20b6effcb51e8deac330d72ee57efa5_elex_gh0st-rat_wannacry.exe1⤵
- System Location Discovery: System Language Discovery
PID:5032
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\svchest425075242507520.exe
- Size 832KB
- SHA256 2cd340cb0c443250c5c07d825577ce51a35d03bfe4cf1a63285374edd8e3178d
- MD5 a20b6effcb51e8deac330d72ee57efa5
- SHA1 340abc1f802a614a2fa838621d5be471fd1f5f67
- SHA512 0a8ffa962f75e108cd026620b4e8cda6d3a5bca7103c7cac4cbfbfb65b203d7458b1c7d86545ad015b476df74cc320f855ebb3c7e1116b3163e4799afcd7b968
- SSDEEP 24576:UQKQVQQxfnr+TK7r79/JD71PRi4M5NC8o:yA7
- TLSH T157050A82927F0356CCC822358FB4457BE8B4ADC2A1D2ED29AB81DECBC5797917904737
- MD5 SHA1 SHA512 SSDEEP TLSH