Analysis
- custom tags
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
23/04/2026, 11:59
General
- Target 911d58ad3e9d8b8b207f0d0b5d3e762d214d257f67a641b8f29cf00823a87b3b.exe
- Size 3.9MB
- Sample260423-n53f7sb16w
- SHA256 911d58ad3e9d8b8b207f0d0b5d3e762d214d257f67a641b8f29cf00823a87b3b
Malware Config
Signatures
- Custom signaturedetect oss ak 16 IoCs
oss ak information detected.
- Executes dropped EXE 1 IoCs
- UPX packed file 19 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\911d58ad3e9d8b8b207f0d0b5d3e762d214d257f67a641b8f29cf00823a87b3b.exe"C:\Users\Admin\AppData\Local\Temp\911d58ad3e9d8b8b207f0d0b5d3e762d214d257f67a641b8f29cf00823a87b3b.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\ARK78566\ARK78566.exe"C:\Users\Admin\AppData\Local\ARK78566\ARK78566.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
ARK78566.exe
memory/2200-43-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-47-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-63-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-61-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-36-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-37-0x00000000488C0000-0x000000004892F000-memory.dmp
memory/2200-38-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-39-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-41-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-59-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-9-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-49-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-45-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-51-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-53-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-54-0x00000000488C0000-0x000000004892F000-memory.dmp
memory/2200-55-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/2200-57-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/4584-0-0x0000000000400000-0x0000000000E80000-memory.dmp
memory/4584-8-0x00000000488D0000-0x000000004893F000-memory.dmp
memory/4584-7-0x0000000000400000-0x0000000000E80000-memory.dmp