Analysis
- max time kernel
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
02/06/2026, 01:00
General
- Target tmpzn9b0ywx.exe
- Size 45KB
- Sample260602-bczhmabx2k
- SHA256 761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03
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\tmpzn9b0ywx.exe"C:\Users\Admin\AppData\Local\Temp\tmpzn9b0ywx.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 3340 -s 3804⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\6F3FABB4\bin.exeC:\Users\Admin\AppData\Roaming\6F3FABB4\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3340 -ip 33401⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/2328-28-0x0000000000530000-0x0000000000536000-memory.dmp
memory/3196-11-0x0000000002840000-0x0000000002841000-memory.dmp
memory/3196-5-0x0000000002AB0000-0x0000000002AB6000-memory.dmp
memory/3196-7-0x00007FFBD1DE3000-0x00007FFBD1DE4000-memory.dmp
memory/3196-13-0x00007FFBD1F60000-0x00007FFBD1F61000-memory.dmp
memory/3196-12-0x00007FFBD1F50000-0x00007FFBD1F51000-memory.dmp
memory/3340-6-0x0000000077024000-0x0000000077025000-memory.dmp
memory/3340-10-0x0000000002E80000-0x0000000002E86000-memory.dmp
memory/3340-3-0x0000000002E80000-0x0000000002E86000-memory.dmp
memory/3340-32-0x0000000002E80000-0x0000000002E86000-memory.dmp
memory/4380-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4380-1-0x000000000041C000-0x000000000041D000-memory.dmp
memory/4380-2-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4444-20-0x00007FFBD1D40000-0x00007FFBD1F49000-memory.dmp
memory/4444-23-0x00007FFBD1D40000-0x00007FFBD1F49000-memory.dmp
memory/4444-16-0x00007FFBD1DE3000-0x00007FFBD1DE4000-memory.dmp
memory/4444-30-0x00007FFBD1D40000-0x00007FFBD1F49000-memory.dmp
memory/4444-15-0x000001C762FB0000-0x000001C762FB6000-memory.dmp
memory/5388-21-0x0000000000400000-0x000000000041D000-memory.dmp
memory/5388-24-0x00007FFBD1D40000-0x00007FFBD1F49000-memory.dmp
memory/5388-25-0x00000000001C0000-0x00000000001C6000-memory.dmp