Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
05/05/2026, 19:27
General
- Target 89a9f2951b78111dd53e61fb2e6ad3d9bf4f103a6fe7c992c35ffd6f02c16d19.exe
- Size 832KB
- Sample260505-x56naset21
- SHA256 89a9f2951b78111dd53e61fb2e6ad3d9bf4f103a6fe7c992c35ffd6f02c16d19
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Drops file in System32 directory 13 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 2 IoCs
- 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.
- Modifies data under HKEY_USERS 9 IoCs
- Modifies system certificate store 2 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\89a9f2951b78111dd53e61fb2e6ad3d9bf4f103a6fe7c992c35ffd6f02c16d19.exe"C:\Users\Admin\AppData\Local\Temp\89a9f2951b78111dd53e61fb2e6ad3d9bf4f103a6fe7c992c35ffd6f02c16d19.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\Syswow64\1d01eb4dC:\Windows\Syswow64\1d01eb4d1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
1d01eb4d
memory/4284-7-0x00000000000D0000-0x000000000015C000-memory.dmp
memory/4284-13-0x00000000000D0000-0x000000000015C000-memory.dmp
memory/4284-12-0x0000000001070000-0x00000000010D4000-memory.dmp
memory/4284-23-0x0000000001070000-0x00000000010D4000-memory.dmp
memory/4284-32-0x0000000001070000-0x00000000010D4000-memory.dmp
memory/4284-34-0x00000000000D0000-0x000000000015C000-memory.dmp
memory/4536-0-0x0000000000C80000-0x0000000000D0C000-memory.dmp
memory/4536-10-0x0000000000C80000-0x0000000000D0C000-memory.dmp
memory/4536-11-0x0000000001480000-0x00000000014E4000-memory.dmp
memory/4536-22-0x0000000001480000-0x00000000014E4000-memory.dmp
memory/4536-35-0x0000000001480000-0x00000000014E4000-memory.dmp