Analysis
- max time kernel
150s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
05/05/2026, 13:32
General
- Target 77af3ba91525925f33302be85f0d919f82c6ee16b9fa8f371ec1c4b109165780.exe
- Size 2.9MB
- Sample260505-qs92mac14q
- SHA256 77af3ba91525925f33302be85f0d919f82c6ee16b9fa8f371ec1c4b109165780
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 15 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
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\77af3ba91525925f33302be85f0d919f82c6ee16b9fa8f371ec1c4b109165780.exe"C:\Users\Admin\AppData\Local\Temp\77af3ba91525925f33302be85f0d919f82c6ee16b9fa8f371ec1c4b109165780.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\Syswow64\a78b8a0fC:\Windows\Syswow64\a78b8a0f1⤵
- 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
a78b8a0f
memory/3088-4-0x0000000000230000-0x00000000002BC000-memory.dmp
memory/3088-20-0x0000000000F30000-0x0000000000F94000-memory.dmp
memory/3088-21-0x0000000000230000-0x00000000002BC000-memory.dmp
memory/3088-37-0x0000000000230000-0x00000000002BC000-memory.dmp
memory/3288-0-0x0000000000640000-0x00000000006CC000-memory.dmp
memory/3288-18-0x0000000000640000-0x00000000006CC000-memory.dmp
memory/3288-19-0x0000000000F20000-0x0000000000F84000-memory.dmp
memory/3288-30-0x0000000000F20000-0x0000000000F84000-memory.dmp
memory/3288-34-0x0000000000F20000-0x0000000000F84000-memory.dmp