Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
07/09/2026, 19:05
General
- Target pear.exe
- Size 916KB
- Sample260907-xrm9sseq9t
- SHA256 df6d0bd21c124a00510fe2ff5e4923b4f95b61edfbcd06bbef21ee21b33d629d
Malware Config
Signatures
- Creates a file in the Startup directory 1 TTPs 4 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Deletes itself 1 IoCs
- Executes dropped EXE 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\pear.exe"C:\Users\Admin\AppData\Local\Temp\pear.exe"1⤵
- Creates a file in the Startup directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe"C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe"2⤵
- Creates a file in the Startup directory
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe"C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe" --service1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe"C:\Users\Admin\AppData\Local\PrimeClientClient\PrimeClientClient.exe" --session-helper2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
PrimeClientClient.exe
PrimeClientClient.exe.cleanup
PrimeClientClient.lnk
memory/1668-17-0x0000000066CC0000-0x0000000066E40000-memory.dmp
memory/1668-45-0x0000000066CC0000-0x0000000066E40000-memory.dmp
memory/1668-16-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/1668-27-0x0000000066CC0000-0x0000000066E40000-memory.dmp
memory/1668-28-0x0000000066CC0000-0x0000000066E40000-memory.dmp
memory/1668-46-0x00000000008A0000-0x000000000098C000-memory.dmp
memory/1668-13-0x00000000008A0000-0x000000000098C000-memory.dmp
memory/2340-9-0x00000000008C0000-0x00000000009AC000-memory.dmp
memory/3276-60-0x0000000066CC0000-0x0000000066E40000-memory.dmp
memory/3276-62-0x00000000008A0000-0x000000000098C000-memory.dmp
memory/3628-42-0x0000000066CC0000-0x0000000066E40000-memory.dmp
memory/3628-43-0x0000000066CC0000-0x0000000066E40000-memory.dmp
memory/3628-31-0x0000000066CC0000-0x0000000066E40000-memory.dmp
memory/3628-41-0x0000000066CC0000-0x0000000066E40000-memory.dmp
memory/3628-61-0x00000000008A0000-0x000000000098C000-memory.dmp