tinba | e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7c

General

Target

e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe
Size

59KB
MD5

5d2ac99cd39b389ff98ad74d77d22fe0
SHA1

d45fedbd94ebfbbe875ebb8821e88ab06f12aac3
SHA256

e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7c
SHA512

a9a93d5fb5ef1ef754a4380243529c8d4796d79f67e8b463c0f2ee526057703ef9e3196f8539e4919731ca3a40a3cc1f973503cbbbc7909e9c8bcf8ebc8b4a03
SSDEEP

768:X+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:X+mFM2HXKZgiFP7xIksu+XM5O9J1

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
Tinba family
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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\43DCB4C2 = "C:\\Users\\Admin\\AppData\\Roaming\\43DCB4C2\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2688	4740	WerFault.exe	86

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	e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.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
4740	winver.exe
4740	winver.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4740	winver.exe
3508	Explorer.EXE
3508	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3508	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 4740	4664	e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe	86
PID 4664 wrote to memory of 4740	4664	e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe	86
PID 4664 wrote to memory of 4740	4664	e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe	86
PID 4664 wrote to memory of 4740	4664	e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe	86
PID 4740 wrote to memory of 3508	4740	winver.exe	56
PID 4740 wrote to memory of 2648	4740	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

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:3508
- C:\Users\Admin\AppData\Local\Temp\e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe
  "C:\Users\Admin\AppData\Local\Temp\e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4664
- - 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:4740
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 352
      4⤵
      Program crash
      PID:2688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4740 -ip 4740
1⤵
PID:1656

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

Replay Monitor

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Downloads

memory/2648-15-0x00007FFBD6E4D000-0x00007FFBD6E4E000-memory.dmp

Filesize
4KB

Download
memory/2648-18-0x00007FFBD6FD0000-0x00007FFBD6FD1000-memory.dmp

Filesize
4KB

Download
memory/2648-17-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2648-14-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/3508-5-0x00007FFBD6E4D000-0x00007FFBD6E4E000-memory.dmp

Filesize
4KB

Download
memory/3508-7-0x00007FFBD6FE0000-0x00007FFBD6FE1000-memory.dmp

Filesize
4KB

Download
memory/3508-10-0x00007FFBD6FC0000-0x00007FFBD6FC1000-memory.dmp

Filesize
4KB

Download
memory/3508-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3508-1-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/4664-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4664-9-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/4664-0-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/4664-3-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/4740-4-0x0000000077862000-0x0000000077863000-memory.dmp

Filesize
4KB

Download
memory/4740-6-0x00007FFBD6DB0000-0x00007FFBD6FA5000-memory.dmp

Filesize
2.0MB

Download
memory/4740-12-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/4740-16-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads