tinba | a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5

General

Target

a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe
Size

59KB
MD5

ce3196c013b989ba39bd7b529f551d00
SHA1

7623bb71443a4bea4bb95ca35bdcc1f7562c9415
SHA256

a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5
SHA512

57b84f2690ffa77a2bb3e4b10d6595bb465e039e895c47232e073041f37f5379e8450eb6d2df47fa657e4e04731be9107eb15e1ea5e278636f9a476885c6b6ce
SSDEEP

768:1+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:1+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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D084B69B = "C:\\Users\\Admin\\AppData\\Roaming\\D084B69B\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
932	3420	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	a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.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
3420	winver.exe
3420	winver.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3420	winver.exe
3380	Explorer.EXE
3380	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3380	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 3420	3988	a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe	85
PID 3988 wrote to memory of 3420	3988	a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe	85
PID 3988 wrote to memory of 3420	3988	a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe	85
PID 3988 wrote to memory of 3420	3988	a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe	85
PID 3420 wrote to memory of 3380	3420	winver.exe	56
PID 3420 wrote to memory of 2652	3420	winver.exe	46

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

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:3380
- C:\Users\Admin\AppData\Local\Temp\a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe
  "C:\Users\Admin\AppData\Local\Temp\a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3988
- - 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:3420
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 352
      4⤵
      Program crash
      PID:932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3420 -ip 3420
1⤵
PID:4132

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/2652-17-0x00007FFE8BE50000-0x00007FFE8BE51000-memory.dmp

Filesize
4KB

Download
memory/2652-14-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3380-10-0x00007FFE8BE40000-0x00007FFE8BE41000-memory.dmp

Filesize
4KB

Download
memory/3380-1-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/3380-2-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/3380-5-0x00007FFE8BCCD000-0x00007FFE8BCCE000-memory.dmp

Filesize
4KB

Download
memory/3380-9-0x00007FFE8BE60000-0x00007FFE8BE61000-memory.dmp

Filesize
4KB

Download
memory/3420-4-0x0000000077A22000-0x0000000077A23000-memory.dmp

Filesize
4KB

Download
memory/3420-6-0x00007FFE8BC30000-0x00007FFE8BE25000-memory.dmp

Filesize
2.0MB

Download
memory/3420-12-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

Download
memory/3420-15-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

Download
memory/3988-8-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3988-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3988-3-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3988-0-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads