Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
22/05/2026, 12:15
General
- Target tmpmn_yt7vk.exe
- Size 110KB
- Sample260522-pewfmsax2j
- SHA256 38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355
Malware Config
Signatures
- Family: Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmpmn_yt7vk.exe"C:\Users\Admin\AppData\Local\Temp\tmpmn_yt7vk.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5384 -s 3804⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\80965546\bin.exeC:\Users\Admin\AppData\Roaming\80965546\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5384 -ip 53841⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/1204-29-0x00007FF9093A0000-0x00007FF9095A9000-memory.dmp
memory/1204-19-0x00007FF9093A0000-0x00007FF9095A9000-memory.dmp
memory/1204-21-0x00007FF9093A0000-0x00007FF9095A9000-memory.dmp
memory/2476-27-0x0000000000A20000-0x0000000000A26000-memory.dmp
memory/2616-0-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2616-1-0x0000000000407000-0x0000000000408000-memory.dmp
memory/2616-2-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3184-14-0x00007FF9095C0000-0x00007FF9095C1000-memory.dmp
memory/3184-13-0x00007FF9095B0000-0x00007FF9095B1000-memory.dmp
memory/3184-12-0x0000000000F60000-0x0000000000F61000-memory.dmp
memory/3184-7-0x0000000002BD0000-0x0000000002BD6000-memory.dmp
memory/3184-8-0x00007FF909443000-0x00007FF909444000-memory.dmp
memory/4896-20-0x0000000000400000-0x000000000041E000-memory.dmp
memory/4896-23-0x00007FF9093A0000-0x00007FF9095A9000-memory.dmp
memory/4896-24-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/5384-11-0x0000000000CC0000-0x0000000000CC6000-memory.dmp
memory/5384-6-0x00000000778E4000-0x00000000778E5000-memory.dmp
memory/5384-3-0x0000000000CC0000-0x0000000000CC6000-memory.dmp
memory/5384-31-0x0000000000CC0000-0x0000000000CC6000-memory.dmp