Analysis
- max time kernel
149s - max time network
151s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-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 10 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 3 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 FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- 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 1212 -s 3884⤵
- Program crash
-
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C:\Users\Admin\AppData\Roaming\B781DFDB\bin.exeC:\Users\Admin\AppData\Roaming\B781DFDB\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1212 -ip 12121⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/932-16-0x00007FFD30890000-0x00007FFD30A88000-memory.dmp
memory/932-30-0x00007FFD30890000-0x00007FFD30A88000-memory.dmp
memory/932-17-0x00007FFD30890000-0x00007FFD30A88000-memory.dmp
memory/932-21-0x00007FFD30890000-0x00007FFD30A88000-memory.dmp
memory/1212-4-0x0000000002D20000-0x0000000002D26000-memory.dmp
memory/1212-5-0x00000000774B3000-0x00000000774B4000-memory.dmp
memory/1212-34-0x0000000002D20000-0x0000000002D26000-memory.dmp
memory/2316-27-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/2316-24-0x00007FFD30890000-0x00007FFD30A88000-memory.dmp
memory/2316-22-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2880-26-0x0000000000770000-0x0000000000776000-memory.dmp
memory/3420-14-0x00007FFD30AA0000-0x00007FFD30AA1000-memory.dmp
memory/3420-8-0x00007FFD3092D000-0x00007FFD3092E000-memory.dmp
memory/3420-7-0x0000000003290000-0x0000000003296000-memory.dmp
memory/3420-13-0x00007FFD30A90000-0x00007FFD30A91000-memory.dmp
memory/3420-12-0x0000000003230000-0x0000000003231000-memory.dmp
memory/3420-32-0x00007FFD30AB0000-0x00007FFD30AB1000-memory.dmp
memory/3420-33-0x00007FFD30AC0000-0x00007FFD30AC1000-memory.dmp
memory/3420-3-0x0000000003290000-0x0000000003296000-memory.dmp
memory/4140-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4140-2-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4140-1-0x000000000041C000-0x000000000041D000-memory.dmp