Analysis
- max time kernel
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
02/06/2026, 01:34
General
- Target tmprirkgnos.exe
- Size 34KB
- Sample260602-by8nesax4v
- SHA256 02c7ee3b9e4db89d0d97ae0d43be4f05f13972aaa6adf91f43d4b7d7e9fb8131
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\tmprirkgnos.exe"C:\Users\Admin\AppData\Local\Temp\tmprirkgnos.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 3768 -s 3804⤵
- Program crash
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-
-
C:\Users\Admin\AppData\Roaming\3BE1DD7B\bin.exeC:\Users\Admin\AppData\Roaming\3BE1DD7B\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3768 -ip 37681⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/664-0-0x0000000000400000-0x0000000000417000-memory.dmp
memory/664-1-0x00000000005B0000-0x00000000005B1000-memory.dmp
memory/664-4-0x0000000002410000-0x0000000002E10000-memory.dmp
memory/664-8-0x0000000000400000-0x0000000000417000-memory.dmp
memory/664-9-0x0000000002410000-0x0000000002E10000-memory.dmp
memory/2168-27-0x00000000003D0000-0x00000000003D6000-memory.dmp
memory/2924-28-0x0000000002300000-0x0000000002D00000-memory.dmp
memory/2924-24-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/2924-23-0x00007FFEF3F60000-0x00007FFEF4169000-memory.dmp
memory/2924-22-0x0000000000400000-0x0000000000417000-memory.dmp
memory/3208-15-0x00007FFEF4180000-0x00007FFEF4181000-memory.dmp
memory/3208-12-0x00000000033C0000-0x00000000033C1000-memory.dmp
memory/3208-13-0x00007FFEF4170000-0x00007FFEF4171000-memory.dmp
memory/3208-6-0x00007FFEF4003000-0x00007FFEF4004000-memory.dmp
memory/3208-3-0x0000000003530000-0x0000000003536000-memory.dmp
memory/3208-2-0x0000000003530000-0x0000000003536000-memory.dmp
memory/3768-11-0x0000000002960000-0x0000000002966000-memory.dmp
memory/3768-7-0x00007FFEF3F60000-0x00007FFEF4169000-memory.dmp
memory/3768-5-0x0000000077B24000-0x0000000077B25000-memory.dmp
memory/3768-32-0x0000000002960000-0x0000000002966000-memory.dmp
memory/4932-16-0x000001F136FD0000-0x000001F136FD6000-memory.dmp
memory/4932-21-0x00007FFEF3F60000-0x00007FFEF4169000-memory.dmp
memory/4932-30-0x00007FFEF3F60000-0x00007FFEF4169000-memory.dmp