Analysis
- max time kernel
150s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/07/2026, 01:32
General
- Target 2026-07-19_4ac1bdde58bfa0d4b16aeab4acaf8731_bjlog_coinminer_elex_wannacry.exe
- Size 24.4MB
- Sample260720-bx1w7ad16w
- SHA256 f25178474e700050b9fa600392fb0cb46c1b4db32c9bff9baf35528d3bb2990c
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 5 IoCs
- UPX dump on OEP (original entry point) 5 IoCs
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 3 IoCs
- Drops file in System32 directory 6 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 40 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-07-19_4ac1bdde58bfa0d4b16aeab4acaf8731_bjlog_coinminer_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-19_4ac1bdde58bfa0d4b16aeab4acaf8731_bjlog_coinminer_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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\??\c:\users\admin\appdata\local\pjtftrcrlf"C:\Users\Admin\AppData\Local\Temp\2026-07-19_4ac1bdde58bfa0d4b16aeab4acaf8731_bjlog_coinminer_elex_wannacry.exe" a -sc:\users\admin\appdata\local\temp\2026-07-19_4ac1bdde58bfa0d4b16aeab4acaf8731_bjlog_coinminer_elex_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\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 1420 -s 10282⤵
- Program crash
-
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1420 -ip 14201⤵
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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
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 10562⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 832 -ip 8321⤵
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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 5252 -s 8962⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5252 -ip 52521⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
pjtftrcrlf
svchost.exe.txt
svchost.exe.txt
sgnxc.cc3
memory/832-17-0x0000000001570000-0x0000000001571000-memory.dmp
memory/832-20-0x0000000020000000-0x0000000020027000-memory.dmp
memory/1420-13-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
memory/1420-15-0x0000000020000000-0x0000000020027000-memory.dmp
memory/2780-0-0x0000000000400000-0x0000000000436000-memory.dmp
memory/2780-7-0x0000000000400000-0x0000000000436000-memory.dmp
memory/3888-12-0x0000000000400000-0x0000000000436000-memory.dmp
memory/3888-5-0x0000000000400000-0x0000000000436000-memory.dmp
memory/5252-22-0x0000000002350000-0x0000000002351000-memory.dmp
memory/5252-25-0x0000000020000000-0x0000000020027000-memory.dmp