Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
09/06/2026, 00:28
General
- Target tmpbk7k5fin.exe
- Size 160KB
- Sample260609-asebysas2k
- SHA256 ac2787c4dd83f872810f4cfbf188efbf1b974a9bc97a13b7a5271424de5622e5
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 18 IoCs
- Suspicious use of FindShellTrayWindow 6 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of UnmapMainImage 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 FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\tmpbk7k5fin.exe"C:\Users\Admin\AppData\Local\Temp\tmpbk7k5fin.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 5000 -s 3524⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\1E07C27F\bin.exeC:\Users\Admin\AppData\Roaming\1E07C27F\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5000 -ip 50001⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/1488-28-0x0000000002240000-0x0000000002C40000-memory.dmp
memory/1488-26-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/1488-23-0x00007FF9777D0000-0x00007FF9779C5000-memory.dmp
memory/1488-22-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2248-34-0x00007FF9779F0000-0x00007FF9779F1000-memory.dmp
memory/2248-25-0x0000000000920000-0x0000000000926000-memory.dmp
memory/3272-16-0x00007FF9779E0000-0x00007FF9779E1000-memory.dmp
memory/3272-8-0x00007FF977A00000-0x00007FF977A01000-memory.dmp
memory/3272-3-0x0000000000770000-0x0000000000776000-memory.dmp
memory/3272-2-0x0000000000770000-0x0000000000776000-memory.dmp
memory/3272-15-0x00007FF9779D0000-0x00007FF9779D1000-memory.dmp
memory/3272-6-0x00007FF97786D000-0x00007FF97786E000-memory.dmp
memory/3272-13-0x0000000000710000-0x0000000000711000-memory.dmp
memory/4360-21-0x00007FF9777D0000-0x00007FF9779C5000-memory.dmp
memory/4360-30-0x00007FF9777D0000-0x00007FF9779C5000-memory.dmp
memory/4728-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4728-4-0x0000000002090000-0x0000000002A90000-memory.dmp
memory/4728-10-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4728-1-0x0000000000580000-0x0000000000581000-memory.dmp
memory/5000-5-0x00000000773E2000-0x00000000773E3000-memory.dmp
memory/5000-7-0x00007FF9777D0000-0x00007FF9779C5000-memory.dmp
memory/5000-12-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/5000-32-0x00000000007B0000-0x00000000007B6000-memory.dmp