Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
01/06/2026, 01:43
Behavioral task
behavioral1
Sample
2026-06-01_efb4e37c5eefc122c739b2749fe17528_elex_gh0st-rat_wannacry.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target 2026-06-01_efb4e37c5eefc122c739b2749fe17528_elex_gh0st-rat_wannacry.exe
- Size 24.0MB
- Sample260601-b4865sbs2w
- SHA256 23f18c3705de86faa5dcb499980f35e5ff4733f87182161c5f9504c17d6eaea4
- MD5 efb4e37c5eefc122c739b2749fe17528
- SHA1 8ff2b14c0e2def02ecbb1ba9403c29940b4c3ee5
- SHA512 fde7b2dec60902319731522a874157b669c75db1d590d67025264f67014cac49d13e55532e6c8b419d0d181f2529f6757a31f5de3de091e8ed805c00c74f9876
- SSDEEP 6144:icIc6nW8QqYB5yPNFyfYPbXcTBlhHrCndnkPdE:fqW8/rVFaYPbXcT3Rm
- TLSH T10A479E43EB8148FAC8DD167850BAA77A363B9A500B181FC3BB54EFF014E70515A3BD96
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Gh0st RAT payload 5 IoCs
resource yara_rule behavioral2/memory/2708-0-0x0000000000400000-0x0000000000433000-memory.dmp family_gh0strat behavioral2/memory/2708-6-0x0000000000400000-0x0000000000433000-memory.dmp family_gh0strat behavioral2/files/0x001a00000002b4bf-5.dat family_gh0strat behavioral2/memory/1108-7-0x0000000000400000-0x0000000000433000-memory.dmp family_gh0strat behavioral2/memory/1108-8-0x0000000000400000-0x0000000000433000-memory.dmp family_gh0strat - Deletes itself 1 IoCs
pid Process 1108 knvgrxvtll - Executes dropped EXE 1 IoCs
pid Process 1108 knvgrxvtll - System Location Discovery: System Language Discovery 1 TTPs 2 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 2026-06-01_efb4e37c5eefc122c739b2749fe17528_elex_gh0st-rat_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language knvgrxvtll - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1108 knvgrxvtll 1108 knvgrxvtll - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2708 wrote to memory of 1108 2708 2026-06-01_efb4e37c5eefc122c739b2749fe17528_elex_gh0st-rat_wannacry.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-01_efb4e37c5eefc122c739b2749fe17528_elex_gh0st-rat_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-01_efb4e37c5eefc122c739b2749fe17528_elex_gh0st-rat_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708 -
\??\c:\users\admin\appdata\local\knvgrxvtll"C:\Users\Admin\AppData\Local\Temp\2026-06-01_efb4e37c5eefc122c739b2749fe17528_elex_gh0st-rat_wannacry.exe" a -sc:\users\admin\appdata\local\temp\2026-06-01_efb4e37c5eefc122c739b2749fe17528_elex_gh0st-rat_wannacry.exe2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1108
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path \??\c:\users\admin\appdata\local\knvgrxvtll
- Size 24.0MB
- SHA256 1b578f54496bd715c7502540353795b033c705624fd291dee8c958c7e20dfd42
- MD5 273634a71ffb97941b385af557ea9d12
- SHA1 5c0d9f346296e8166b623afda55753afd9843c7f
- SHA512 a58c28c954d422d8fd163dd311b69111322288a191c633dab44364c3120c5989db47e60260d9f9c25db0ad2940af5f16535b040b7d0e7e0cf16409b1e26e7805
- SSDEEP 6144:AcIc6nW8QqYB5yPNFyfYPbXcTBlhHrCndnkPdX:FqW8/rVFaYPbXcT3Rp
- TLSH T158479E43EB8148FAC8DD167850BAA77A363B9A500B181FC3BB54EFF014E70515A3BD96
- MD5 SHA1 SHA512 SSDEEP TLSH