tinba | afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35

General

Target

afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe
Size

106KB
MD5

99ae7f4dbc2503a3ebc751fcc217f625
SHA1

571b47c9a2f72160527fdcd3143b42c9b8aa0735
SHA256

afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35
SHA512

8b395a7bdd7db301edd34d7c776db613efc007d164024b523797cae39a5725b02ff0fb6c7fe2a8501c863a6216891be385479b01f3e106caf305235360979620
SSDEEP

768:3+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:3+mFM2QXtZgi9Iksu+XM57ipeq9JA

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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F76443F6 = "C:\\Users\\Admin\\AppData\\Roaming\\F76443F6\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4124	3760	WerFault.exe	84

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	afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3760	winver.exe
3760	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

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

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3760	winver.exe
3508	Explorer.EXE
3508	Explorer.EXE
3508	Explorer.EXE

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3508	Explorer.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 4440 wrote to memory of 3760	4440	afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe	84
PID 4440 wrote to memory of 3760	4440	afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe	84
PID 4440 wrote to memory of 3760	4440	afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe	84
PID 4440 wrote to memory of 3760	4440	afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe	84
PID 3760 wrote to memory of 3508	3760	winver.exe	55
PID 3760 wrote to memory of 2700	3760	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2700

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
PID:3508
- C:\Users\Admin\AppData\Local\Temp\afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe
  "C:\Users\Admin\AppData\Local\Temp\afab55143f850b7741d78d2a944d4ca3b37d7b6aa51b5e453b01b1d67a5fda35.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4440
- - 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:3760
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3760 -s 352
      4⤵
      Program crash
      PID:4124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3760 -ip 3760
1⤵
PID:3712

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/2700-14-0x0000000000CA0000-0x0000000000CA6000-memory.dmp

Filesize
24KB

Download
memory/2700-16-0x00007FF97E5B0000-0x00007FF97E5B1000-memory.dmp

Filesize
4KB

Download
memory/3508-8-0x00007FF97E5C0000-0x00007FF97E5C1000-memory.dmp

Filesize
4KB

Download
memory/3508-3-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/3508-18-0x00007FF97E5B0000-0x00007FF97E5B1000-memory.dmp

Filesize
4KB

Download
memory/3508-2-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/3508-6-0x00007FF97E42D000-0x00007FF97E42E000-memory.dmp

Filesize
4KB

Download
memory/3760-7-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/3760-12-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/3760-5-0x0000000077952000-0x0000000077953000-memory.dmp

Filesize
4KB

Download
memory/3760-15-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/4440-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4440-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4440-10-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/4440-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/4440-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads