tinba | d93dfea2f672fefeed14faf6fc78760bf6bc0947da76a9767ede7539e1c6b362

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 08:24

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General

Target

d93dfea2f672fefeed14faf6fc78760bf6bc0947da76a9767ede7539e1c6b362.exe
Size

610KB
MD5

c57018a57fbe56b3552c5306ce31a29b
SHA1

367919ef2308f899e71a8cf063325cab5bd06633
SHA256

d93dfea2f672fefeed14faf6fc78760bf6bc0947da76a9767ede7539e1c6b362
SHA512

8ffa42eb9991dafd4014b2c839e2d5f24527c79fbcc816ecd3e6b5042b33740d502925f16321da3e4162e0bf771851f4d6f7d0874c2894629140434892b17a10
SSDEEP

12288:IATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:2T+KjUdQqboyyWoK1NGqzuhZ

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\5CA87C4A = "C:\\Users\\Admin\\AppData\\Roaming\\5CA87C4A\\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	d93dfea2f672fefeed14faf6fc78760bf6bc0947da76a9767ede7539e1c6b362.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2764	winver.exe
1172	Explorer.EXE
1172	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1172	Explorer.EXE
1172	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2764	2672	d93dfea2f672fefeed14faf6fc78760bf6bc0947da76a9767ede7539e1c6b362.exe	30
PID 2672 wrote to memory of 2764	2672	d93dfea2f672fefeed14faf6fc78760bf6bc0947da76a9767ede7539e1c6b362.exe	30
PID 2672 wrote to memory of 2764	2672	d93dfea2f672fefeed14faf6fc78760bf6bc0947da76a9767ede7539e1c6b362.exe	30
PID 2672 wrote to memory of 2764	2672	d93dfea2f672fefeed14faf6fc78760bf6bc0947da76a9767ede7539e1c6b362.exe	30
PID 2672 wrote to memory of 2764	2672	d93dfea2f672fefeed14faf6fc78760bf6bc0947da76a9767ede7539e1c6b362.exe	30
PID 2764 wrote to memory of 1172	2764	winver.exe	21
PID 2764 wrote to memory of 1056	2764	winver.exe	17
PID 2764 wrote to memory of 1072	2764	winver.exe	19
PID 2764 wrote to memory of 1172	2764	winver.exe	21
PID 2764 wrote to memory of 1412	2764	winver.exe	25
PID 2764 wrote to memory of 2672	2764	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1072

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1172
- C:\Users\Admin\AppData\Local\Temp\d93dfea2f672fefeed14faf6fc78760bf6bc0947da76a9767ede7539e1c6b362.exe
  "C:\Users\Admin\AppData\Local\Temp\d93dfea2f672fefeed14faf6fc78760bf6bc0947da76a9767ede7539e1c6b362.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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:2764

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1056-9-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/1056-29-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/1072-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1072-12-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-3-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1172-15-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1172-1-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1172-6-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1412-18-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1412-28-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/2672-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2764-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2764-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2764-31-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download