tinba | a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a

General

Target

a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe
Size

45KB
MD5

848ff543c1efa25aa3f0d10bfd6d5bc2
SHA1

4435212527cec31a590155d0b2e5d299ad22ec1d
SHA256

a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a
SHA512

b6e2e6e8d91448a92c22dfd8c9c423f2d80b61bc12529381d18790a1236c53524b02aea1622d4090bc1ba53237e7c05dc32e83d4388e88ba1896ec17999c9515
SSDEEP

768:fhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:JsWE9N5dFu53dsniQaB/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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\95B44EA8 = "C:\\Users\\Admin\\AppData\\Roaming\\95B44EA8\\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/1372-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5008	672	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	a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.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-1-5-21-3227495264-2217614367-4027411560-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
672	winver.exe
672	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
672	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3548	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 672	1372	a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe	86
PID 1372 wrote to memory of 672	1372	a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe	86
PID 1372 wrote to memory of 672	1372	a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe	86
PID 1372 wrote to memory of 672	1372	a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe	86
PID 672 wrote to memory of 3548	672	winver.exe	56
PID 672 wrote to memory of 2652	672	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3548
- C:\Users\Admin\AppData\Local\Temp\a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe
  "C:\Users\Admin\AppData\Local\Temp\a9f0397093bd5899c6df2770a4358a8f83d96028f67c68ccc261051adcd8574a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1372
- - 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:672
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 352
      4⤵
      Program crash
      PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 672 -ip 672
1⤵
PID:2012

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

Loading Replay Monitor...

Downloads

memory/672-5-0x0000000077DE2000-0x0000000077DE3000-memory.dmp

Filesize
4KB

Download
memory/672-15-0x0000000001370000-0x0000000001376000-memory.dmp

Filesize
24KB

Download
memory/672-12-0x0000000001370000-0x0000000001376000-memory.dmp

Filesize
24KB

Download
memory/672-7-0x00007FFBB7E30000-0x00007FFBB8025000-memory.dmp

Filesize
2.0MB

Download
memory/1372-9-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/1372-4-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/1372-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1372-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1372-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2652-14-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/3548-6-0x00007FFBB7ECD000-0x00007FFBB7ECE000-memory.dmp

Filesize
4KB

Download
memory/3548-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3548-10-0x00007FFBB8060000-0x00007FFBB8061000-memory.dmp

Filesize
4KB

Download
memory/3548-3-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3548-17-0x00007FFBB8040000-0x00007FFBB8041000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads