Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
22/05/2026, 12:15
General
- Target tmpmn_yt7vk.exe
- Size 110KB
- Sample260522-pewfmsax2j
- SHA256 38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355
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.
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 20 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⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\tmpmn_yt7vk.exe"C:\Users\Admin\AppData\Local\Temp\tmpmn_yt7vk.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 2248 -s 3524⤵
- Program crash
-
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-
-
C:\Users\Admin\AppData\Roaming\B5F9DA16\bin.exeC:\Users\Admin\AppData\Roaming\B5F9DA16\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2248 -ip 22481⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/1796-31-0x00007FFD09B90000-0x00007FFD09D85000-memory.dmp
memory/1796-21-0x00007FFD09B90000-0x00007FFD09D85000-memory.dmp
memory/1796-24-0x00007FFD09B90000-0x00007FFD09D85000-memory.dmp
memory/1844-36-0x00007FFD09DB0000-0x00007FFD09DB1000-memory.dmp
memory/1844-27-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/2248-7-0x00000000777A2000-0x00000000777A3000-memory.dmp
memory/2248-33-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/2248-6-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/2388-1-0x0000000000407000-0x0000000000408000-memory.dmp
memory/2388-3-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2388-0-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2388-2-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3156-25-0x00007FFD09B90000-0x00007FFD09D85000-memory.dmp
memory/3156-28-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/3156-22-0x0000000000400000-0x000000000041E000-memory.dmp
memory/3208-15-0x00007FFD09D90000-0x00007FFD09D91000-memory.dmp
memory/3208-9-0x00007FFD09C2D000-0x00007FFD09C2E000-memory.dmp
memory/3208-8-0x00000000034D0000-0x00000000034D6000-memory.dmp
memory/3208-17-0x00007FFD09DA0000-0x00007FFD09DA1000-memory.dmp
memory/3208-14-0x00000000033B0000-0x00000000033B1000-memory.dmp
memory/3208-10-0x00007FFD09DC0000-0x00007FFD09DC1000-memory.dmp
memory/3208-34-0x00007FFD09DB0000-0x00007FFD09DB1000-memory.dmp
memory/3208-4-0x00000000034D0000-0x00000000034D6000-memory.dmp