Analysis
- max time kernel
150s - max time network
93s - 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, 10:17
Behavioral task
behavioral1
Sample
2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe
Resource
win10v2004-20260130-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe
Resource
win11-20260130-en
7 signatures
150 seconds
General
- Target 2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe
- Size 852KB
- Sample260415-mbebvaew6w
- SHA256 348ec84aae2ba952854eafb5dff00e01211bc3a9efc35a728607770cd140699b
- MD5 4991c88a1be12b73bef48e737770bb51
- SHA1 eb719a7cdb8f20923a4c387c918c1681333f788e
- SHA512 f9d26072d8e15385cec5bd6c0e5cb5a41c0040b9094bd9ebfc7dd35050a265dfdbb1b31cde61f33f9a93ed99b649809b889e0871a6f3264053a651a6223d03b8
- SSDEEP 12288:EzQr+1kZVQQxfnr+TK7r79/JDXWE18qRzfG4M5NC4:UQKQVQQxfnr+TK7r79/JD71PRi4M5NC4
- TLSH T1C6050982927F0356CCC822358FB4457BE9B4ADC2A1D2EC29AB81DECBC5797917904737
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Gh0st RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x001c00000002b422-4.dat family_gh0strat - Executes dropped EXE 1 IoCs
pid Process 4260 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_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe" 2026-04-15_4991c88a1be12b73bef48e737770bb51_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_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe File created \??\c:\Windows\BJ.exe 2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe File created \??\c:\Windows\svchest425075242507520.exe 2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe File opened for modification \??\c:\Windows\svchest425075242507520.exe 2026-04-15_4991c88a1be12b73bef48e737770bb51_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_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchest425075242507520.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3244 wrote to memory of 4260 3244 2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_4991c88a1be12b73bef48e737770bb51_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:3244 -
\??\c:\Windows\svchest425075242507520.exec:\Windows\svchest425075242507520.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4260
-
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe1⤵
- System Location Discovery: System Language Discovery
PID:2616
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\svchest425075242507520.exe
- Size 852KB
- SHA256 348ec84aae2ba952854eafb5dff00e01211bc3a9efc35a728607770cd140699b
- MD5 4991c88a1be12b73bef48e737770bb51
- SHA1 eb719a7cdb8f20923a4c387c918c1681333f788e
- SHA512 f9d26072d8e15385cec5bd6c0e5cb5a41c0040b9094bd9ebfc7dd35050a265dfdbb1b31cde61f33f9a93ed99b649809b889e0871a6f3264053a651a6223d03b8
- SSDEEP 12288:EzQr+1kZVQQxfnr+TK7r79/JDXWE18qRzfG4M5NC4:UQKQVQQxfnr+TK7r79/JD71PRi4M5NC4
- TLSH T1C6050982927F0356CCC822358FB4457BE9B4ADC2A1D2EC29AB81DECBC5797917904737
- MD5 SHA1 SHA512 SSDEEP TLSH