Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
02/06/2026, 01:04
General
- Target tmpasp2syct.exe
- Size 45KB
- Sample260602-bfe86aas7t
- SHA256 37a9ed2aaf2a7971e509b75af468c01e8713d8a01ecc58c906ab37411784adfd
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 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\tmpasp2syct.exe"C:\Users\Admin\AppData\Local\Temp\tmpasp2syct.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 4920 -s 3564⤵
- Program crash
-
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-
-
C:\Users\Admin\AppData\Roaming\9891644E\bin.exeC:\Users\Admin\AppData\Roaming\9891644E\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4920 -ip 49201⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/364-32-0x00007FFC73D70000-0x00007FFC73F65000-memory.dmp
memory/364-18-0x000001F8506A0000-0x000001F8506A6000-memory.dmp
memory/364-22-0x00007FFC73D70000-0x00007FFC73F65000-memory.dmp
memory/364-25-0x00007FFC73D70000-0x00007FFC73F65000-memory.dmp
memory/868-2-0x0000000000400000-0x000000000041D000-memory.dmp
memory/868-3-0x0000000000400000-0x000000000041D000-memory.dmp
memory/868-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/868-1-0x000000000041C000-0x000000000041D000-memory.dmp
memory/2332-28-0x0000000000A00000-0x0000000000A06000-memory.dmp
memory/2332-36-0x00007FFC73F90000-0x00007FFC73F91000-memory.dmp
memory/2452-29-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/2452-26-0x00007FFC73D70000-0x00007FFC73F65000-memory.dmp
memory/2452-23-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3216-16-0x00007FFC73F80000-0x00007FFC73F81000-memory.dmp
memory/3216-15-0x00007FFC73F70000-0x00007FFC73F71000-memory.dmp
memory/3216-14-0x0000000000FF0000-0x0000000000FF1000-memory.dmp
memory/3216-10-0x00007FFC73FA0000-0x00007FFC73FA1000-memory.dmp
memory/3216-4-0x0000000001040000-0x0000000001046000-memory.dmp
memory/3216-8-0x0000000001040000-0x0000000001046000-memory.dmp
memory/3216-9-0x00007FFC73E0D000-0x00007FFC73E0E000-memory.dmp
memory/3216-37-0x00007FFC73F90000-0x00007FFC73F91000-memory.dmp
memory/4920-6-0x0000000000D80000-0x0000000000D86000-memory.dmp
memory/4920-7-0x0000000077A32000-0x0000000077A33000-memory.dmp
memory/4920-34-0x0000000000D80000-0x0000000000D86000-memory.dmp