Analysis
- max time kernel
149s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
02/06/2026, 01:33
General
- Target tmpkcyg0wcs.exe
- Size 88KB
- Sample260602-by2vwacs2k
- SHA256 cb8dd64fb093b14248a48e64aedcb55ea27725e380278d3a94897f63c555e53e
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
- 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 12 IoCs
- Suspicious use of FindShellTrayWindow 1 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 UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmpkcyg0wcs.exe"C:\Users\Admin\AppData\Local\Temp\tmpkcyg0wcs.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 2096 -s 3524⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\5208B4D5\bin.exeC:\Users\Admin\AppData\Roaming\5208B4D5\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2096 -ip 20961⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/640-27-0x00007FF93D7B0000-0x00007FF93D9A5000-memory.dmp
memory/640-19-0x00007FF93D7B0000-0x00007FF93D9A5000-memory.dmp
memory/2096-4-0x0000000077342000-0x0000000077343000-memory.dmp
memory/2096-11-0x0000000000580000-0x0000000000586000-memory.dmp
memory/2096-6-0x00007FF93D7B0000-0x00007FF93D9A5000-memory.dmp
memory/2096-29-0x0000000000580000-0x0000000000586000-memory.dmp
memory/3064-32-0x00007FF93D9D0000-0x00007FF93D9D1000-memory.dmp
memory/3064-23-0x0000000000D70000-0x0000000000D76000-memory.dmp
memory/3260-31-0x00007FF93D9D0000-0x00007FF93D9D1000-memory.dmp
memory/3260-9-0x00007FF93D9E0000-0x00007FF93D9E1000-memory.dmp
memory/3260-12-0x0000000000590000-0x0000000000591000-memory.dmp
memory/3260-15-0x00007FF93D9C0000-0x00007FF93D9C1000-memory.dmp
memory/3260-14-0x00007FF93D9B0000-0x00007FF93D9B1000-memory.dmp
memory/3260-2-0x0000000002550000-0x0000000002556000-memory.dmp
memory/3260-1-0x0000000002550000-0x0000000002556000-memory.dmp
memory/3260-5-0x00007FF93D84D000-0x00007FF93D84E000-memory.dmp
memory/3348-21-0x00007FF93D7B0000-0x00007FF93D9A5000-memory.dmp
memory/3348-24-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/4356-3-0x00000000021C0000-0x0000000002BC0000-memory.dmp
memory/4356-8-0x00000000021C0000-0x0000000002BC0000-memory.dmp
memory/4356-7-0x0000000000400000-0x0000000000417000-memory.dmp
memory/4356-0-0x0000000002010000-0x0000000002011000-memory.dmp