Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
02/05/2026, 19:14
General
- Target 3c391753cf7133f3fd6bd6effd6cbaf1923615780ae967f5b2041e2fa60d7fed.exe
- Size 548KB
- Sample260502-xx377set2y
- SHA256 3c391753cf7133f3fd6bd6effd6cbaf1923615780ae967f5b2041e2fa60d7fed
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 9 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 8 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\3c391753cf7133f3fd6bd6effd6cbaf1923615780ae967f5b2041e2fa60d7fed.exe"C:\Users\Admin\AppData\Local\Temp\3c391753cf7133f3fd6bd6effd6cbaf1923615780ae967f5b2041e2fa60d7fed.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\e40c3acC:\Windows\Syswow64\e40c3ac1⤵
- 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
e40c3ac
memory/1220-0-0x0000000000C10000-0x0000000000C99000-memory.dmp
memory/1220-10-0x0000000000C10000-0x0000000000C99000-memory.dmp
memory/1220-12-0x00000000015B0000-0x000000000168F000-memory.dmp
memory/1220-28-0x0000000000C10000-0x0000000000C99000-memory.dmp
memory/1220-54-0x0000000000C10000-0x0000000000C99000-memory.dmp
memory/1220-58-0x0000000000C10000-0x0000000000C99000-memory.dmp
memory/4124-3-0x0000000000F80000-0x0000000001009000-memory.dmp
memory/4124-15-0x0000000000F80000-0x0000000001009000-memory.dmp
memory/4124-14-0x0000000001650000-0x000000000172F000-memory.dmp
memory/4124-30-0x0000000000F80000-0x0000000001009000-memory.dmp