Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
08/05/2026, 21:49
General
- Target c4bfe1f03d53e818ac4239883e46d323c6d4d2a2d037c8cc2844e7668dd226f5.exe
- Size 640KB
- Sample260508-1pg7jsav2k
- SHA256 c4bfe1f03d53e818ac4239883e46d323c6d4d2a2d037c8cc2844e7668dd226f5
Score
7/10
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 5 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\c4bfe1f03d53e818ac4239883e46d323c6d4d2a2d037c8cc2844e7668dd226f5.exe"C:\Users\Admin\AppData\Local\Temp\c4bfe1f03d53e818ac4239883e46d323c6d4d2a2d037c8cc2844e7668dd226f5.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\84557f88C:\Windows\Syswow64\84557f881⤵
- 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
84557f88
memory/3400-0-0x0000000000F40000-0x0000000000FCC000-memory.dmp
memory/3400-10-0x0000000000F40000-0x0000000000FCC000-memory.dmp
memory/5144-3-0x0000000000CF0000-0x0000000000D7C000-memory.dmp
memory/5144-11-0x0000000000CF0000-0x0000000000D7C000-memory.dmp
memory/5144-24-0x0000000000CF0000-0x0000000000D7C000-memory.dmp