tinba | 2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a

General

Target

2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530aN.exe
Size

225KB
MD5

7a121fe6a2c7e10f14720145bbedcbb0
SHA1

c5a13fd60ac10ce836c9a5ae5c10baa7df2a5d36
SHA256

2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a
SHA512

4012243dfb34237fdc5e5cd295857b87ae5c5bf1783ebe9f65856adbc8e1484bdcfbc399da8e60fc2779767f1b868dc06eaabf067b3ba3d37c8a854d5d7f0f18
SSDEEP

6144:6A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:6ATuTAnKGwUAW3ycQqgf

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\2CC556AB = "C:\\Users\\Admin\\AppData\\Roaming\\2CC556AB\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2264	winver.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2264	2772	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530aN.exe	30
PID 2772 wrote to memory of 2264	2772	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530aN.exe	30
PID 2772 wrote to memory of 2264	2772	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530aN.exe	30
PID 2772 wrote to memory of 2264	2772	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530aN.exe	30
PID 2772 wrote to memory of 2264	2772	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530aN.exe	30
PID 2264 wrote to memory of 1212	2264	winver.exe	21
PID 2264 wrote to memory of 1096	2264	winver.exe	19
PID 2264 wrote to memory of 1164	2264	winver.exe	20
PID 2264 wrote to memory of 1212	2264	winver.exe	21
PID 2264 wrote to memory of 1632	2264	winver.exe	25
PID 2264 wrote to memory of 2772	2264	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1212
- C:\Users\Admin\AppData\Local\Temp\2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530aN.exe
  "C:\Users\Admin\AppData\Local\Temp\2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - 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:2264

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1632

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 Information Discovery

1

T1082

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/1096-11-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1096-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/1212-6-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/1212-28-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/1212-17-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

Filesize
24KB

Download
memory/1632-20-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1632-26-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/2264-25-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2264-4-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2264-31-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2772-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads