Analysis
- max time kernel
119s - max time network
108s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
22/10/2024, 16:24
General
- Target 5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.exe
- Size 89KB
- Sample241022-twelnswenn
- SHA256 5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18d
Malware Config
Signatures
- Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
- Adds Run key to start application 2 TTPs 1 IoCs
- UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.exe"C:\Users\Admin\AppData\Local\Temp\5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.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 720 -s 3524⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 720 -ip 7201⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/720-16-0x0000000000A50000-0x0000000000A56000-memory.dmp
memory/720-5-0x0000000077202000-0x0000000077203000-memory.dmp
memory/720-7-0x00007FF891F70000-0x00007FF892165000-memory.dmp
memory/720-13-0x0000000000A50000-0x0000000000A56000-memory.dmp
memory/2688-18-0x00007FF892190000-0x00007FF892191000-memory.dmp
memory/2688-15-0x0000000000640000-0x0000000000646000-memory.dmp
memory/3532-11-0x00007FF892180000-0x00007FF892181000-memory.dmp
memory/3532-3-0x0000000001300000-0x0000000001306000-memory.dmp
memory/3532-2-0x0000000001300000-0x0000000001306000-memory.dmp
memory/3532-6-0x00007FF89200D000-0x00007FF89200E000-memory.dmp
memory/3532-9-0x00007FF8921A0000-0x00007FF8921A1000-memory.dmp
memory/4176-4-0x0000000002240000-0x0000000002C40000-memory.dmp
memory/4176-10-0x0000000002240000-0x0000000002C40000-memory.dmp
memory/4176-8-0x0000000000400000-0x0000000000418000-memory.dmp
memory/4176-0-0x0000000000400000-0x0000000000418000-memory.dmp
memory/4176-1-0x00000000009C0000-0x00000000009C1000-memory.dmp