Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
08/06/2026, 23:23
General
- Target tmpwkdgoifu.exe
- Size 160KB
- Sample260608-3dkjmsg13m
- SHA256 698619909e1680e82e06711c6d5cf6abce22fddbd50ac11f34dc732039afedbc
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
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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
-
C:\Users\Admin\AppData\Local\Temp\tmpwkdgoifu.exe"C:\Users\Admin\AppData\Local\Temp\tmpwkdgoifu.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 3716 -s 3804⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\D2DF4803\bin.exeC:\Users\Admin\AppData\Roaming\D2DF4803\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3716 -ip 37161⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
bin.exe
memory/652-25-0x00000000001C0000-0x00000000001C6000-memory.dmp
memory/652-23-0x0000000000400000-0x0000000000428000-memory.dmp
memory/652-24-0x00007FF97AB80000-0x00007FF97AD89000-memory.dmp
memory/1144-0-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1144-4-0x0000000002160000-0x0000000002B60000-memory.dmp
memory/1144-1-0x0000000002140000-0x0000000002141000-memory.dmp
memory/1144-9-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1144-10-0x0000000002160000-0x0000000002B60000-memory.dmp
memory/2180-30-0x0000000000580000-0x0000000000586000-memory.dmp
memory/2528-17-0x00000129CA300000-0x00000129CA306000-memory.dmp
memory/2528-22-0x00007FF97AB80000-0x00007FF97AD89000-memory.dmp
memory/2528-29-0x00007FF97AB80000-0x00007FF97AD89000-memory.dmp
memory/3180-6-0x00007FF97AC23000-0x00007FF97AC24000-memory.dmp
memory/3180-15-0x00007FF97AD90000-0x00007FF97AD91000-memory.dmp
memory/3180-16-0x00007FF97ADA0000-0x00007FF97ADA1000-memory.dmp
memory/3180-13-0x0000000003130000-0x0000000003131000-memory.dmp
memory/3180-2-0x0000000003950000-0x0000000003956000-memory.dmp
memory/3180-3-0x0000000003950000-0x0000000003956000-memory.dmp
memory/3180-33-0x00007FF97ADB0000-0x00007FF97ADB1000-memory.dmp
memory/3180-34-0x00007FF97ADC0000-0x00007FF97ADC1000-memory.dmp
memory/3716-12-0x00000000010A0000-0x00000000010A6000-memory.dmp
memory/3716-7-0x00007FF97AB80000-0x00007FF97AD89000-memory.dmp
memory/3716-5-0x0000000077D94000-0x0000000077D95000-memory.dmp
memory/3716-32-0x00000000010A0000-0x00000000010A6000-memory.dmp