Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
08/06/2026, 23:26
General
- Target tmp2rzzezny.exe
- Size 49KB
- Sample260608-3e3fvagv21
- SHA256 33c5407fc3392bcba35e4f2af6ac58b342676f2a435bfd2554e15c6022d1bd6c
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
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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
-
C:\Users\Admin\AppData\Local\Temp\tmp2rzzezny.exe"C:\Users\Admin\AppData\Local\Temp\tmp2rzzezny.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 1036 -s 3804⤵
- Program crash
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-
-
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C:\Users\Admin\AppData\Roaming\D18EE2CC\bin.exeC:\Users\Admin\AppData\Roaming\D18EE2CC\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1036 -ip 10361⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/1036-5-0x0000000077104000-0x0000000077105000-memory.dmp
memory/1036-32-0x0000000000710000-0x0000000000716000-memory.dmp
memory/1036-4-0x0000000000710000-0x0000000000716000-memory.dmp
memory/1036-11-0x0000000000710000-0x0000000000716000-memory.dmp
memory/1376-25-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/1376-21-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1376-24-0x00007FFB20D40000-0x00007FFB20F49000-memory.dmp
memory/2824-28-0x0000000000C90000-0x0000000000C96000-memory.dmp
memory/2824-34-0x00007FFB20F70000-0x00007FFB20F71000-memory.dmp
memory/2984-30-0x00007FFB20D40000-0x00007FFB20F49000-memory.dmp
memory/2984-22-0x00007FFB20D40000-0x00007FFB20F49000-memory.dmp
memory/2984-16-0x00007FFB20DE3000-0x00007FFB20DE4000-memory.dmp
memory/2984-20-0x00007FFB20D40000-0x00007FFB20F49000-memory.dmp
memory/3204-6-0x0000000003460000-0x0000000003466000-memory.dmp
memory/3204-15-0x00007FFB20F60000-0x00007FFB20F61000-memory.dmp
memory/3204-12-0x0000000003400000-0x0000000003401000-memory.dmp
memory/3204-13-0x00007FFB20F50000-0x00007FFB20F51000-memory.dmp
memory/3204-7-0x00007FFB20DE3000-0x00007FFB20DE4000-memory.dmp
memory/3204-8-0x0000000003460000-0x0000000003466000-memory.dmp
memory/3360-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3360-2-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3360-1-0x000000000041C000-0x000000000041D000-memory.dmp