tinba | 86218f57202543cf67991e36400adc7cd7050fbb67e7037c748799f211121450

General

Target

65f0fc08353a2b7235ca90b709b14e10N.exe
Size

160KB
MD5

65f0fc08353a2b7235ca90b709b14e10
SHA1

b1926a1b7060e5145f5d20f7dc6a262810eb1f7f
SHA256

86218f57202543cf67991e36400adc7cd7050fbb67e7037c748799f211121450
SHA512

b23557e59c9bc9f3e4b47ca0489754a4a28dd911585ed449c341f220e8c54478033079ed3253463d7c1dfc96633aa91cd3102a281100fadd288a1253717b3b2d
SSDEEP

1536:EEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:3Y+4MiIkLZJNAQ9J6v

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2432-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0EBCA0F8 = "C:\\Users\\Admin\\AppData\\Roaming\\0EBCA0F8\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4104	3288	WerFault.exe	85

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65f0fc08353a2b7235ca90b709b14e10N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3288	winver.exe
3288	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3288	winver.exe
3488	Explorer.EXE
3488	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3488	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 3288	2432	65f0fc08353a2b7235ca90b709b14e10N.exe	85
PID 2432 wrote to memory of 3288	2432	65f0fc08353a2b7235ca90b709b14e10N.exe	85
PID 2432 wrote to memory of 3288	2432	65f0fc08353a2b7235ca90b709b14e10N.exe	85
PID 2432 wrote to memory of 3288	2432	65f0fc08353a2b7235ca90b709b14e10N.exe	85
PID 3288 wrote to memory of 3488	3288	winver.exe	56
PID 3288 wrote to memory of 2492	3288	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2492

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3488
- C:\Users\Admin\AppData\Local\Temp\65f0fc08353a2b7235ca90b709b14e10N.exe
  "C:\Users\Admin\AppData\Local\Temp\65f0fc08353a2b7235ca90b709b14e10N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2432
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3288
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3288 -s 352
      4⤵
      Program crash
      PID:4104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3288 -ip 3288
1⤵
PID:4784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2432-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2432-1-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/2432-10-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/2432-4-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/2432-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2492-15-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download
memory/3288-5-0x00000000774E2000-0x00000000774E3000-memory.dmp

Filesize
4KB

Download
memory/3288-7-0x00007FFDDC950000-0x00007FFDDCB45000-memory.dmp

Filesize
2.0MB

Download
memory/3288-13-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/3288-16-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/3488-8-0x00007FFDDCB80000-0x00007FFDDCB81000-memory.dmp

Filesize
4KB

Download
memory/3488-6-0x00007FFDDC9ED000-0x00007FFDDC9EE000-memory.dmp

Filesize
4KB

Download
memory/3488-2-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/3488-11-0x00007FFDDCB60000-0x00007FFDDCB61000-memory.dmp

Filesize
4KB

Download
memory/3488-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads