Analysis
- max time kernel
149s - max time network
147s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
09/06/2026, 00:28
General
- Target tmpbk7k5fin.exe
- Size 160KB
- Sample260609-asebysas2k
- SHA256 ac2787c4dd83f872810f4cfbf188efbf1b974a9bc97a13b7a5271424de5622e5
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 12 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\tmpbk7k5fin.exe"C:\Users\Admin\AppData\Local\Temp\tmpbk7k5fin.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 5512 -s 3884⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\AC60A10A\bin.exeC:\Users\Admin\AppData\Roaming\AC60A10A\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5512 -ip 55121⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/1996-25-0x00007FFD259F0000-0x00007FFD25BE8000-memory.dmp
memory/1996-22-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1996-26-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/3108-29-0x00000000008C0000-0x00000000008C6000-memory.dmp
memory/3108-37-0x00007FFD25C10000-0x00007FFD25C11000-memory.dmp
memory/3440-2-0x00000000028C0000-0x00000000028C6000-memory.dmp
memory/3440-34-0x00007FFD25C20000-0x00007FFD25C21000-memory.dmp
memory/3440-6-0x00007FFD25A8D000-0x00007FFD25A8E000-memory.dmp
memory/3440-36-0x00007FFD25C10000-0x00007FFD25C11000-memory.dmp
memory/3440-3-0x00000000028C0000-0x00000000028C6000-memory.dmp
memory/3440-12-0x00000000026C0000-0x00000000026C1000-memory.dmp
memory/3440-13-0x00007FFD25BF0000-0x00007FFD25BF1000-memory.dmp
memory/3440-15-0x00007FFD25C00000-0x00007FFD25C01000-memory.dmp
memory/4076-16-0x0000017928140000-0x0000017928146000-memory.dmp
memory/4076-17-0x00007FFD259F0000-0x00007FFD25BE8000-memory.dmp
memory/4076-31-0x00007FFD259F0000-0x00007FFD25BE8000-memory.dmp
memory/4076-18-0x00007FFD259F0000-0x00007FFD25BE8000-memory.dmp
memory/4076-24-0x00007FFD259F0000-0x00007FFD25BE8000-memory.dmp
memory/4976-8-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4976-9-0x00000000021C0000-0x0000000002BC0000-memory.dmp
memory/4976-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4976-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp
memory/4976-1-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/5512-11-0x0000000000A60000-0x0000000000A66000-memory.dmp
memory/5512-7-0x00007FFD259F0000-0x00007FFD25BE8000-memory.dmp
memory/5512-33-0x0000000000A60000-0x0000000000A66000-memory.dmp
memory/5512-5-0x00000000770A3000-0x00000000770A4000-memory.dmp