Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
21/04/2026, 22:02
General
- Target 2026-04-21_6ae3ffd9a76172108d8c7da2c9fc0e7b_bjlog_elex_gh0st-rat_wannacry.exe
- Size 24.3MB
- Sample260421-1yah3acy2k
- SHA256 799b8e31279989e0b27114d774ae87bdefe7a370745e29c78614c45a05ecbf65
Malware Config
Signatures
- Family: Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
- Gh0st RAT payload 4 IoCs
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 3 IoCs
- Drops file in System32 directory 6 IoCs
- Program crash 3 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 46 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-21_6ae3ffd9a76172108d8c7da2c9fc0e7b_bjlog_elex_gh0st-rat_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_6ae3ffd9a76172108d8c7da2c9fc0e7b_bjlog_elex_gh0st-rat_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
\??\c:\users\admin\appdata\local\kvefutfegr"C:\Users\Admin\AppData\Local\Temp\2026-04-21_6ae3ffd9a76172108d8c7da2c9fc0e7b_bjlog_elex_gh0st-rat_wannacry.exe" a -sc:\users\admin\appdata\local\temp\2026-04-21_6ae3ffd9a76172108d8c7da2c9fc0e7b_bjlog_elex_gh0st-rat_wannacry.exe2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs1⤵
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5340 -s 8042⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5340 -ip 53401⤵
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 9962⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4496 -ip 44961⤵
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5840 -s 9122⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5840 -ip 58401⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
kvefutfegr
svchost.exe.txt
svchost.exe.txt
lshgx.cc3
memory/4496-18-0x0000000001D90000-0x0000000001D96000-memory.dmp
memory/4496-17-0x0000000020000000-0x0000000020027000-memory.dmp
memory/4496-14-0x0000000002240000-0x0000000002241000-memory.dmp
memory/5340-11-0x0000000020000000-0x0000000020027000-memory.dmp
memory/5340-12-0x00000000017E0000-0x00000000017E6000-memory.dmp
memory/5340-9-0x0000000001B90000-0x0000000001B91000-memory.dmp
memory/5840-20-0x00000000007D0000-0x00000000007D1000-memory.dmp
memory/5840-23-0x0000000020000000-0x0000000020027000-memory.dmp
memory/5840-24-0x00000000007A0000-0x00000000007A6000-memory.dmp