Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
06/05/2026, 20:43
General
- Target cfa67035137da211f28a60628a8582be1e3764251083e8fc25bb9bc8d50298c8.exe
- Size 548KB
- Sample260506-zhmysaev2p
- SHA256 cfa67035137da211f28a60628a8582be1e3764251083e8fc25bb9bc8d50298c8
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 17 IoCs
- UPX packed file 11 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\cfa67035137da211f28a60628a8582be1e3764251083e8fc25bb9bc8d50298c8.exe"C:\Users\Admin\AppData\Local\Temp\cfa67035137da211f28a60628a8582be1e3764251083e8fc25bb9bc8d50298c8.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\f2a99dfC:\Windows\Syswow64\f2a99df1⤵
- 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
f2a99df
memory/3848-34-0x0000000000990000-0x0000000000A19000-memory.dmp
memory/3848-4-0x0000000000990000-0x0000000000A19000-memory.dmp
memory/3848-52-0x0000000000990000-0x0000000000A19000-memory.dmp
memory/3848-12-0x0000000000990000-0x0000000000A19000-memory.dmp
memory/3848-13-0x0000000001BB0000-0x0000000001C14000-memory.dmp
memory/3848-50-0x0000000000990000-0x0000000000A19000-memory.dmp
memory/4832-32-0x00000000005F0000-0x0000000000679000-memory.dmp
memory/4832-33-0x0000000002F10000-0x0000000002F74000-memory.dmp
memory/4832-48-0x00000000005F0000-0x0000000000679000-memory.dmp
memory/4832-49-0x0000000002F10000-0x0000000002F74000-memory.dmp
memory/4832-0-0x00000000005F0000-0x0000000000679000-memory.dmp
memory/4832-10-0x00000000005F0000-0x0000000000679000-memory.dmp
memory/4832-60-0x00000000005F0000-0x0000000000679000-memory.dmp