tinba | 4ff626427a938ad7e01ec70ac45c2512e4cf2ad8b2c2d3b3d6bfc9ca84de08ac

General

Target

4ff626427a938ad7e01ec70ac45c2512e4cf2ad8b2c2d3b3d6bfc9ca84de08acN.exe
Size

45KB
MD5

9be82ddfca66e8d5048ab3706c81e9b0
SHA1

490335e99738d6abd31ceb0886b32de2eb82f57b
SHA256

4ff626427a938ad7e01ec70ac45c2512e4cf2ad8b2c2d3b3d6bfc9ca84de08ac
SHA512

e09d4db522ec7802cdab805f5043c6094620626f3145f1de68e8e44087f650058ebcd86e7a528001424134359023cc0bd573ae06a829e6163cf99e15dd38e6fe
SSDEEP

768:ehP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:ysWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8AF2D02A = "C:\\Users\\Admin\\AppData\\Roaming\\8AF2D02A\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4092-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4440	3044	WerFault.exe	87

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4ff626427a938ad7e01ec70ac45c2512e4cf2ad8b2c2d3b3d6bfc9ca84de08acN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3044	winver.exe
3044	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3044	winver.exe
3424	Explorer.EXE
3424	Explorer.EXE
3424	Explorer.EXE

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3424	Explorer.EXE
3424	Explorer.EXE
3424	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 3044	4092	4ff626427a938ad7e01ec70ac45c2512e4cf2ad8b2c2d3b3d6bfc9ca84de08acN.exe	87
PID 4092 wrote to memory of 3044	4092	4ff626427a938ad7e01ec70ac45c2512e4cf2ad8b2c2d3b3d6bfc9ca84de08acN.exe	87
PID 4092 wrote to memory of 3044	4092	4ff626427a938ad7e01ec70ac45c2512e4cf2ad8b2c2d3b3d6bfc9ca84de08acN.exe	87
PID 4092 wrote to memory of 3044	4092	4ff626427a938ad7e01ec70ac45c2512e4cf2ad8b2c2d3b3d6bfc9ca84de08acN.exe	87
PID 3044 wrote to memory of 3424	3044	winver.exe	56
PID 3044 wrote to memory of 2544	3044	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3424
- C:\Users\Admin\AppData\Local\Temp\4ff626427a938ad7e01ec70ac45c2512e4cf2ad8b2c2d3b3d6bfc9ca84de08acN.exe
  "C:\Users\Admin\AppData\Local\Temp\4ff626427a938ad7e01ec70ac45c2512e4cf2ad8b2c2d3b3d6bfc9ca84de08acN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4092
- - 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:3044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 352
      4⤵
      Program crash
      PID:4440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3044 -ip 3044
1⤵
PID:720

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/2544-15-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3044-8-0x00007FF9DA150000-0x00007FF9DA345000-memory.dmp

Filesize
2.0MB

Download
memory/3044-16-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3044-6-0x0000000077BF2000-0x0000000077BF3000-memory.dmp

Filesize
4KB

Download
memory/3044-5-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3424-2-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/3424-3-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/3424-7-0x00007FF9DA1ED000-0x00007FF9DA1EE000-memory.dmp

Filesize
4KB

Download
memory/4092-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/4092-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4092-11-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/4092-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4092-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads