tinba | e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bf

General

Target

e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe
Size

98KB
MD5

0e809dbb26085309739cc67e142a1cb0
SHA1

49c0ee2bf5a06f20f5eaba6f56aad14c7088e8b0
SHA256

e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bf
SHA512

120bf947e1af6b115f9e9b1df5b57117756abd299fe2a840e471a88c8377b78ea5bd760a097e2f1aba9c9ae33f83bcc76115af5488c77233655c38811c1f4900
SSDEEP

768:j+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:j+mFM2HXKZgi9Iksu+XM57ipeq9JF

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6D436CA3 = "C:\\Users\\Admin\\AppData\\Roaming\\6D436CA3\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1388	3504	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	e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.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
3504	winver.exe
3504	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3504	winver.exe
3536	Explorer.EXE
3536	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3536	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3504	3576	e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe	85
PID 3576 wrote to memory of 3504	3576	e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe	85
PID 3576 wrote to memory of 3504	3576	e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe	85
PID 3576 wrote to memory of 3504	3576	e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe	85
PID 3504 wrote to memory of 3536	3504	winver.exe	56
PID 3504 wrote to memory of 2556	3504	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556

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:3536
- C:\Users\Admin\AppData\Local\Temp\e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe
  "C:\Users\Admin\AppData\Local\Temp\e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3576
- - 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:3504
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3504 -s 352
      4⤵
      Program crash
      PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3504 -ip 3504
1⤵
PID:2400

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/2556-18-0x00007FFB5F470000-0x00007FFB5F471000-memory.dmp

Filesize
4KB

Download
memory/2556-15-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/3504-4-0x0000000077602000-0x0000000077603000-memory.dmp

Filesize
4KB

Download
memory/3504-16-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/3504-13-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/3504-7-0x00007FFB5F250000-0x00007FFB5F445000-memory.dmp

Filesize
2.0MB

Download
memory/3536-6-0x00007FFB5F2EC000-0x00007FFB5F2ED000-memory.dmp

Filesize
4KB

Download
memory/3536-5-0x00007FFB5F2ED000-0x00007FFB5F2EE000-memory.dmp

Filesize
4KB

Download
memory/3536-8-0x00007FFB5F480000-0x00007FFB5F481000-memory.dmp

Filesize
4KB

Download
memory/3536-11-0x00007FFB5F460000-0x00007FFB5F461000-memory.dmp

Filesize
4KB

Download
memory/3536-1-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3536-2-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3576-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3576-10-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/3576-0-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/3576-3-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads