Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
20/04/2026, 23:25
General
- Target b61b017db9d62dbeee36deb86f53c07046b2ac8f59d0e7790d664ff3488c9b0c.exe
- Size 761KB
- Sample260420-3el4vsfv2p
- SHA256 b61b017db9d62dbeee36deb86f53c07046b2ac8f59d0e7790d664ff3488c9b0c
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Unexpected DNS network traffic destination 8 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
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b61b017db9d62dbeee36deb86f53c07046b2ac8f59d0e7790d664ff3488c9b0c.exe"C:\Users\Admin\AppData\Local\Temp\b61b017db9d62dbeee36deb86f53c07046b2ac8f59d0e7790d664ff3488c9b0c.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\c3d3e8afC:\Windows\Syswow64\c3d3e8af1⤵
- 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
c3d3e8af
memory/2728-0-0x0000000000080000-0x000000000010C000-memory.dmp
memory/2728-16-0x0000000000080000-0x000000000010C000-memory.dmp
memory/2728-17-0x0000000000FF0000-0x0000000001035000-memory.dmp
memory/2728-18-0x0000000000FC0000-0x0000000000FC7000-memory.dmp
memory/2728-40-0x0000000000FF0000-0x0000000001035000-memory.dmp
memory/4672-4-0x00000000000D0000-0x000000000015C000-memory.dmp
memory/4672-21-0x00000000000D0000-0x000000000015C000-memory.dmp
memory/4672-20-0x0000000000F50000-0x0000000000F57000-memory.dmp
memory/4672-19-0x0000000001260000-0x00000000012A5000-memory.dmp
memory/4672-56-0x00000000000D0000-0x000000000015C000-memory.dmp