Analysis
- max time kernel
149s - max time network
132s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
02/06/2026, 00:52
General
- Target tmpjcjrvbsp.exe
- Size 45KB
- Sample260602-a73cbsh151
- SHA256 a6262b8f0b676bb2870e5cec39e8c1c325e7012d2f726f0061ee7d90e5ad7ef2
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 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\tmpjcjrvbsp.exe"C:\Users\Admin\AppData\Local\Temp\tmpjcjrvbsp.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 4500 -s 3884⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\1AC820F8\bin.exeC:\Users\Admin\AppData\Roaming\1AC820F8\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4500 -ip 45001⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/1196-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1196-1-0x000000000041C000-0x000000000041D000-memory.dmp
memory/1196-2-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2516-28-0x0000000000770000-0x0000000000776000-memory.dmp
memory/3184-7-0x0000000000FC0000-0x0000000000FC6000-memory.dmp
memory/3184-6-0x0000000000FC0000-0x0000000000FC6000-memory.dmp
memory/3184-8-0x00007FFBFF643000-0x00007FFBFF644000-memory.dmp
memory/3184-34-0x00007FFBFF7E0000-0x00007FFBFF7E1000-memory.dmp
memory/3184-12-0x0000000000FE0000-0x0000000000FE1000-memory.dmp
memory/3184-13-0x00007FFBFF7B0000-0x00007FFBFF7B1000-memory.dmp
memory/3184-15-0x00007FFBFF7C0000-0x00007FFBFF7C1000-memory.dmp
memory/3184-33-0x00007FFBFF7D0000-0x00007FFBFF7D1000-memory.dmp
memory/3252-24-0x00007FFBFF5A0000-0x00007FFBFF7A9000-memory.dmp
memory/3252-21-0x0000000000400000-0x000000000041D000-memory.dmp
memory/3252-26-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/3496-22-0x00007FFBFF5A0000-0x00007FFBFF7A9000-memory.dmp
memory/3496-20-0x00007FFBFF5A0000-0x00007FFBFF7A9000-memory.dmp
memory/3496-30-0x00007FFBFF5A0000-0x00007FFBFF7A9000-memory.dmp
memory/3496-16-0x0000018E10360000-0x0000018E10366000-memory.dmp
memory/4500-5-0x0000000077B04000-0x0000000077B05000-memory.dmp
memory/4500-3-0x00000000009D0000-0x00000000009D6000-memory.dmp
memory/4500-32-0x00000000009D0000-0x00000000009D6000-memory.dmp
memory/4500-11-0x00000000009D0000-0x00000000009D6000-memory.dmp