Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
02/06/2026, 01:17
General
- Target tmpb75hzrlj.exe
- Size 45KB
- Sample260602-bnst8aat9t
- SHA256 4c29d8a9cc667bf2c4fd2dbc1ccff55437ae2b6bf619c5f857eec5dd107ab6f5
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 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\tmpb75hzrlj.exe"C:\Users\Admin\AppData\Local\Temp\tmpb75hzrlj.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 4116 -s 3804⤵
- Program crash
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-
C:\Users\Admin\AppData\Roaming\2C0C1B72\bin.exeC:\Users\Admin\AppData\Roaming\2C0C1B72\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4116 -ip 41161⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/1584-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1584-1-0x000000000041C000-0x000000000041D000-memory.dmp
memory/1584-2-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2680-34-0x0000000000800000-0x0000000000806000-memory.dmp
memory/2680-29-0x0000000000800000-0x0000000000806000-memory.dmp
memory/2836-27-0x00007FF9C4800000-0x00007FF9C4A09000-memory.dmp
memory/2836-22-0x00007FF9C4800000-0x00007FF9C4A09000-memory.dmp
memory/2836-19-0x00007FF9C4800000-0x00007FF9C4A09000-memory.dmp
memory/3184-14-0x00007FF9C4A20000-0x00007FF9C4A21000-memory.dmp
memory/3184-32-0x00007FF9C4A30000-0x00007FF9C4A31000-memory.dmp
memory/3184-12-0x0000000000FE0000-0x0000000000FE1000-memory.dmp
memory/3184-13-0x00007FF9C4A10000-0x00007FF9C4A11000-memory.dmp
memory/3184-3-0x0000000000FC0000-0x0000000000FC6000-memory.dmp
memory/3184-7-0x0000000000FC0000-0x0000000000FC6000-memory.dmp
memory/3184-8-0x00007FF9C48A3000-0x00007FF9C48A4000-memory.dmp
memory/3184-33-0x00007FF9C4A40000-0x00007FF9C4A41000-memory.dmp
memory/3284-20-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3284-23-0x00007FF9C4800000-0x00007FF9C4A09000-memory.dmp
memory/3284-24-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/4116-5-0x00000000009F0000-0x00000000009F6000-memory.dmp
memory/4116-31-0x00000000009F0000-0x00000000009F6000-memory.dmp
memory/4116-6-0x0000000077094000-0x0000000077095000-memory.dmp