Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-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 10 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 2160 -s 3524⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\BF3ECC67\bin.exeC:\Users\Admin\AppData\Roaming\BF3ECC67\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2160 -ip 21601⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/1544-1-0x000000000041C000-0x000000000041D000-memory.dmp
memory/1544-2-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1544-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1556-31-0x0000000000D30000-0x0000000000D36000-memory.dmp
memory/2160-32-0x0000000002710000-0x0000000002716000-memory.dmp
memory/2160-6-0x00000000779F2000-0x00000000779F3000-memory.dmp
memory/2160-5-0x0000000002710000-0x0000000002716000-memory.dmp
memory/2160-9-0x00007FFA21410000-0x00007FFA21605000-memory.dmp
memory/3360-28-0x00007FFA21410000-0x00007FFA21605000-memory.dmp
memory/3360-21-0x00007FFA21410000-0x00007FFA21605000-memory.dmp
memory/3360-24-0x00007FFA21410000-0x00007FFA21605000-memory.dmp
memory/3376-14-0x00007FFA21610000-0x00007FFA21611000-memory.dmp
memory/3376-16-0x00007FFA21620000-0x00007FFA21621000-memory.dmp
memory/3376-13-0x00000000021A0000-0x00000000021A1000-memory.dmp
memory/3376-7-0x00000000021F0000-0x00000000021F6000-memory.dmp
memory/3376-8-0x00007FFA214AD000-0x00007FFA214AE000-memory.dmp
memory/3376-3-0x00000000021F0000-0x00000000021F6000-memory.dmp
memory/3376-33-0x00007FFA21630000-0x00007FFA21631000-memory.dmp
memory/3376-34-0x00007FFA21640000-0x00007FFA21641000-memory.dmp
memory/4944-23-0x00007FFA21410000-0x00007FFA21605000-memory.dmp
memory/4944-22-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4944-25-0x00000000001C0000-0x00000000001C6000-memory.dmp