Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
22/05/2026, 11:33
General
- Target tmpvfzkno_8.exe
- Size 110KB
- Sample260522-nn4ypsct4w
- SHA256 a830a127eeda6219bc80998b0497483e0126fb378b3f193ec17433819841186a
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
-
C:\Users\Admin\AppData\Local\Temp\tmpvfzkno_8.exe"C:\Users\Admin\AppData\Local\Temp\tmpvfzkno_8.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
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 2776 -s 3804⤵
- Program crash
-
-
-
-
C:\Users\Admin\AppData\Roaming\2BDC9246\bin.exeC:\Users\Admin\AppData\Roaming\2BDC9246\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2776 -ip 27761⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
bin.exe
memory/1620-1-0x0000000000407000-0x0000000000408000-memory.dmp
memory/1620-2-0x0000000000400000-0x000000000041E000-memory.dmp
memory/1620-0-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2452-28-0x0000000000D10000-0x0000000000D16000-memory.dmp
memory/2696-16-0x00000214082B0000-0x00000214082B6000-memory.dmp
memory/2696-30-0x00007FF984560000-0x00007FF984769000-memory.dmp
memory/2696-22-0x00007FF984560000-0x00007FF984769000-memory.dmp
memory/2696-19-0x00007FF984560000-0x00007FF984769000-memory.dmp
memory/2776-6-0x0000000077E94000-0x0000000077E95000-memory.dmp
memory/2776-11-0x00000000008C0000-0x00000000008C6000-memory.dmp
memory/2776-3-0x00000000008C0000-0x00000000008C6000-memory.dmp
memory/2776-32-0x00000000008C0000-0x00000000008C6000-memory.dmp
memory/3180-14-0x00007FF984770000-0x00007FF984771000-memory.dmp
memory/3180-15-0x00007FF984780000-0x00007FF984781000-memory.dmp
memory/3180-12-0x00000000026D0000-0x00000000026D1000-memory.dmp
memory/3180-7-0x0000000002860000-0x0000000002866000-memory.dmp
memory/3180-8-0x00007FF984603000-0x00007FF984604000-memory.dmp
memory/3436-23-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3436-24-0x00007FF984560000-0x00007FF984769000-memory.dmp
memory/3436-25-0x00000000001C0000-0x00000000001C6000-memory.dmp