Analysis
- max time kernel
149s - max time network
96s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
02/06/2026, 01:28
General
- Target tmpxubtrb8z.exe
- Size 110KB
- Sample260602-bvm8bab13l
- SHA256 9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739
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 UnmapMainImage 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 UnmapMainImage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\tmpxubtrb8z.exe"C:\Users\Admin\AppData\Local\Temp\tmpxubtrb8z.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 392 -s 3804⤵
- Program crash
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-
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C:\Users\Admin\AppData\Roaming\D27CBE98\bin.exeC:\Users\Admin\AppData\Roaming\D27CBE98\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 392 -ip 3921⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/392-3-0x00000000027F0000-0x00000000027F6000-memory.dmp
memory/392-32-0x00000000027F0000-0x00000000027F6000-memory.dmp
memory/392-5-0x0000000077BB4000-0x0000000077BB5000-memory.dmp
memory/392-11-0x00000000027F0000-0x00000000027F6000-memory.dmp
memory/2332-1-0x0000000000407000-0x0000000000408000-memory.dmp
memory/2332-2-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2332-0-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2848-25-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/2848-24-0x00007FFAA0AC0000-0x00007FFAA0CC9000-memory.dmp
memory/2848-22-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3036-28-0x0000000000800000-0x0000000000806000-memory.dmp
memory/3160-8-0x00007FFAA0B63000-0x00007FFAA0B64000-memory.dmp
memory/3160-14-0x00007FFAA0CE0000-0x00007FFAA0CE1000-memory.dmp
memory/3160-13-0x00007FFAA0CD0000-0x00007FFAA0CD1000-memory.dmp
memory/3160-12-0x0000000002540000-0x0000000002541000-memory.dmp
memory/3160-7-0x0000000002A30000-0x0000000002A36000-memory.dmp
memory/3160-34-0x00007FFAA0D00000-0x00007FFAA0D01000-memory.dmp
memory/3160-33-0x00007FFAA0CF0000-0x00007FFAA0CF1000-memory.dmp
memory/4224-19-0x00007FFAA0AC0000-0x00007FFAA0CC9000-memory.dmp
memory/4224-16-0x000001E76C390000-0x000001E76C396000-memory.dmp
memory/4224-21-0x00007FFAA0AC0000-0x00007FFAA0CC9000-memory.dmp
memory/4224-30-0x00007FFAA0AC0000-0x00007FFAA0CC9000-memory.dmp