Analysis
- max time kernel
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
22/05/2026, 11:58
General
- Target tmpmkk3p6k2.exe
- Size 96KB
- Sample260522-n5a2yscx7y
- SHA256 3ce1940dd0ebe54ce34f014cce821e395aa2241bac0e40aa4becf81f95a1ee63
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 64 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
-
C:\Users\Admin\AppData\Local\Temp\tmpmkk3p6k2.exe"C:\Users\Admin\AppData\Local\Temp\tmpmkk3p6k2.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 5732 -s 3804⤵
- Program crash
-
-
-
-
C:\Users\Admin\AppData\Roaming\B11DC60D\bin.exeC:\Users\Admin\AppData\Roaming\B11DC60D\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5732 -ip 57321⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
bin.exe
memory/2444-25-0x0000000000650000-0x0000000000656000-memory.dmp
memory/3164-11-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/3164-1-0x0000000000810000-0x0000000000816000-memory.dmp
memory/3164-2-0x0000000000810000-0x0000000000816000-memory.dmp
memory/3164-31-0x00007FF988820000-0x00007FF988821000-memory.dmp
memory/3164-5-0x00007FF988683000-0x00007FF988684000-memory.dmp
memory/3164-30-0x00007FF988810000-0x00007FF988811000-memory.dmp
memory/3164-14-0x00007FF988800000-0x00007FF988801000-memory.dmp
memory/3164-12-0x00007FF9887F0000-0x00007FF9887F1000-memory.dmp
memory/5208-20-0x00007FF9885E0000-0x00007FF9887E9000-memory.dmp
memory/5208-15-0x000001CFE22A0000-0x000001CFE22A6000-memory.dmp
memory/5208-27-0x00007FF9885E0000-0x00007FF9887E9000-memory.dmp
memory/5304-8-0x0000000002310000-0x0000000002D10000-memory.dmp
memory/5304-7-0x0000000000400000-0x000000000041A000-memory.dmp
memory/5304-0-0x0000000000560000-0x0000000000561000-memory.dmp
memory/5304-3-0x0000000002310000-0x0000000002D10000-memory.dmp
memory/5392-21-0x00007FF9885E0000-0x00007FF9887E9000-memory.dmp
memory/5392-22-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/5732-10-0x00000000007A0000-0x00000000007A6000-memory.dmp
memory/5732-6-0x00007FF9885E0000-0x00007FF9887E9000-memory.dmp
memory/5732-29-0x00000000007A0000-0x00000000007A6000-memory.dmp
memory/5732-4-0x00000000777F4000-0x00000000777F5000-memory.dmp