Analysis
- max time kernel
149s - max time network
150s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
22/05/2026, 12:20
General
- Target tmp_u4gk63x.exe
- Size 45KB
- Sample260522-phrxmaay8l
- SHA256 f12b6dd2ea07de530f5f139dd06f33a5a57eed25db16fc06e8381190b2f295fd
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⤵
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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\tmp_u4gk63x.exe"C:\Users\Admin\AppData\Local\Temp\tmp_u4gk63x.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
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 3884⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\D198A2DD\bin.exeC:\Users\Admin\AppData\Roaming\D198A2DD\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4256 -ip 42561⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bin.exe
memory/448-18-0x00007FFB05E10000-0x00007FFB06008000-memory.dmp
memory/448-31-0x00007FFB05E10000-0x00007FFB06008000-memory.dmp
memory/448-21-0x00007FFB05E10000-0x00007FFB06008000-memory.dmp
memory/2312-28-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/2312-25-0x00007FFB05E10000-0x00007FFB06008000-memory.dmp
memory/2312-23-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2888-27-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/3432-8-0x0000000002520000-0x0000000002526000-memory.dmp
memory/3432-17-0x00007FFB06020000-0x00007FFB06021000-memory.dmp
memory/3432-15-0x00007FFB06010000-0x00007FFB06011000-memory.dmp
memory/3432-14-0x00000000024D0000-0x00000000024D1000-memory.dmp
memory/3432-9-0x00007FFB05EAD000-0x00007FFB05EAE000-memory.dmp
memory/3432-4-0x0000000002520000-0x0000000002526000-memory.dmp
memory/3432-35-0x00007FFB06040000-0x00007FFB06041000-memory.dmp
memory/3432-34-0x00007FFB06030000-0x00007FFB06031000-memory.dmp
memory/4256-33-0x00000000009D0000-0x00000000009D6000-memory.dmp
memory/4256-6-0x00000000009D0000-0x00000000009D6000-memory.dmp
memory/4256-7-0x0000000077D33000-0x0000000077D34000-memory.dmp
memory/4256-10-0x00007FFB05E10000-0x00007FFB06008000-memory.dmp
memory/4396-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4396-1-0x000000000041C000-0x000000000041D000-memory.dmp
memory/4396-2-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4396-3-0x0000000000400000-0x000000000041D000-memory.dmp