Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
11/05/2026, 08:37
General
- Target 661ccbe4a0a640ac3bf37d814a080a956cb7aa8e4f674c72faeadbf6f92c8115.exe
- Size 640KB
- Sample260511-kh9efsdv8t
- SHA256 661ccbe4a0a640ac3bf37d814a080a956cb7aa8e4f674c72faeadbf6f92c8115
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 11 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\661ccbe4a0a640ac3bf37d814a080a956cb7aa8e4f674c72faeadbf6f92c8115.exe"C:\Users\Admin\AppData\Local\Temp\661ccbe4a0a640ac3bf37d814a080a956cb7aa8e4f674c72faeadbf6f92c8115.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\e8bff76aC:\Windows\Syswow64\e8bff76a1⤵
- 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
e8bff76a
memory/4492-0-0x0000000000EA0000-0x0000000000F2C000-memory.dmp
memory/4492-10-0x0000000000EA0000-0x0000000000F2C000-memory.dmp
memory/4492-11-0x0000000000D80000-0x0000000000DCA000-memory.dmp
memory/4492-27-0x0000000000D80000-0x0000000000DCA000-memory.dmp
memory/4968-4-0x0000000000520000-0x00000000005AC000-memory.dmp
memory/4968-12-0x0000000000D10000-0x0000000000D5A000-memory.dmp
memory/4968-13-0x0000000000520000-0x00000000005AC000-memory.dmp
memory/4968-39-0x0000000000520000-0x00000000005AC000-memory.dmp