Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
29/04/2026, 11:29
General
- Target ab2e3bc5a69d4d7e12f47014431224f2a17aa50d1ad93fcea49c931b381275b7.exe
- Size 1024KB
- Sample260429-nl2esse16r
- SHA256 ab2e3bc5a69d4d7e12f47014431224f2a17aa50d1ad93fcea49c931b381275b7
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Unexpected DNS network traffic destination 5 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 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 9 IoCs
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ab2e3bc5a69d4d7e12f47014431224f2a17aa50d1ad93fcea49c931b381275b7.exe"C:\Users\Admin\AppData\Local\Temp\ab2e3bc5a69d4d7e12f47014431224f2a17aa50d1ad93fcea49c931b381275b7.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\c4bc1768C:\Windows\Syswow64\c4bc17681⤵
- 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
c4bc1768
memory/1800-0-0x0000000000610000-0x0000000000699000-memory.dmp
memory/1800-10-0x0000000000610000-0x0000000000699000-memory.dmp
memory/1800-12-0x0000000001020000-0x0000000001045000-memory.dmp
memory/1800-30-0x0000000000610000-0x0000000000699000-memory.dmp
memory/1800-44-0x0000000000610000-0x0000000000699000-memory.dmp
memory/3592-3-0x0000000000FC0000-0x0000000001049000-memory.dmp
memory/3592-13-0x0000000000FC0000-0x0000000001049000-memory.dmp
memory/3592-32-0x0000000000FC0000-0x0000000001049000-memory.dmp
memory/3592-35-0x0000000000FC0000-0x0000000001049000-memory.dmp