Analysis
- max time kernel
149s - max time network
152s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
02/06/2026, 01:33
General
- Target tmpbi0q4rev.exe
- Size 89KB
- Sample260602-bysbfab19n
- SHA256 2ee2c853a605622d93e3011f500235eefe6ff16b8bf2ec84c1e1b362ac0eafdd
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\tmpbi0q4rev.exe"C:\Users\Admin\AppData\Local\Temp\tmpbi0q4rev.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 1752 -s 3884⤵
- Program crash
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-
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C:\Users\Admin\AppData\Roaming\809F9A6F\bin.exeC:\Users\Admin\AppData\Roaming\809F9A6F\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1752 -ip 17521⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/1124-26-0x0000000000720000-0x0000000000726000-memory.dmp
memory/1752-5-0x0000000077C63000-0x0000000077C64000-memory.dmp
memory/1752-32-0x0000000000AF0000-0x0000000000AF6000-memory.dmp
memory/1752-11-0x0000000000AF0000-0x0000000000AF6000-memory.dmp
memory/1752-7-0x00007FFF78E90000-0x00007FFF79088000-memory.dmp
memory/3240-24-0x00007FFF78E90000-0x00007FFF79088000-memory.dmp
memory/3240-21-0x0000000000400000-0x0000000000418000-memory.dmp
memory/3240-27-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/3380-12-0x0000000002720000-0x0000000002721000-memory.dmp
memory/3380-6-0x00007FFF78F2D000-0x00007FFF78F2E000-memory.dmp
memory/3380-14-0x00007FFF79090000-0x00007FFF79091000-memory.dmp
memory/3380-15-0x00007FFF790A0000-0x00007FFF790A1000-memory.dmp
memory/3380-35-0x00007FFF790B0000-0x00007FFF790B1000-memory.dmp
memory/3380-2-0x0000000002780000-0x0000000002786000-memory.dmp
memory/3380-34-0x00007FFF790C0000-0x00007FFF790C1000-memory.dmp
memory/3380-3-0x0000000002780000-0x0000000002786000-memory.dmp
memory/4536-1-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/4536-4-0x0000000002200000-0x0000000002C00000-memory.dmp
memory/4536-9-0x0000000002200000-0x0000000002C00000-memory.dmp
memory/4536-0-0x0000000000400000-0x0000000000418000-memory.dmp
memory/4536-8-0x0000000000400000-0x0000000000418000-memory.dmp
memory/4704-16-0x00007FFF78E90000-0x00007FFF79088000-memory.dmp
memory/4704-30-0x00007FFF78E90000-0x00007FFF79088000-memory.dmp
memory/4704-20-0x00007FFF78E90000-0x00007FFF79088000-memory.dmp
memory/4704-23-0x00007FFF78E90000-0x00007FFF79088000-memory.dmp