tinba | 4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621ca

General

Target

4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe
Size

225KB
MD5

bd23aca8604bd9db19988b63cb93c280
SHA1

7f6b8042adfdadc73c921954bef8af624c79a9c8
SHA256

4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621ca
SHA512

3544fb8206dbceb7569ed480753bdaf402c5efdc1c032098e2bcb1b6a9640600f3ea152b9a93810158b77fa4699c0b2cb1d0b712228c90682c8043c17e0f9dcc
SSDEEP

6144:YA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:YATuTAnKGwUAW3ycQqgf

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\A2392BB1 = "C:\\Users\\Admin\\AppData\\Roaming\\A2392BB1\\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	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2660	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2660	2848	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe	30
PID 2848 wrote to memory of 2660	2848	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe	30
PID 2848 wrote to memory of 2660	2848	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe	30
PID 2848 wrote to memory of 2660	2848	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe	30
PID 2848 wrote to memory of 2660	2848	4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe	30
PID 2660 wrote to memory of 1192	2660	winver.exe	21
PID 2660 wrote to memory of 1100	2660	winver.exe	19
PID 2660 wrote to memory of 1164	2660	winver.exe	20
PID 2660 wrote to memory of 1192	2660	winver.exe	21
PID 2660 wrote to memory of 1612	2660	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

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:1192
- C:\Users\Admin\AppData\Local\Temp\4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe
  "C:\Users\Admin\AppData\Local\Temp\4bf30663931ed8cf8932fa6078e86fbd4f4ae2eaec45b40f6c9c41d6e31621caN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2848
- - 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:2660

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1612

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/1100-24-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1100-11-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1192-6-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1192-17-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1192-25-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1612-20-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/1612-27-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/2660-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2660-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2660-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2660-29-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2848-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads