tinba | 313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 05:57

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General

Target

313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe
Size

610KB
MD5

3e35fb39d3b7e7721eca2dfb4cf51c14
SHA1

c536e306ebef2ab5b3c68b6fc2e98ab00bd867a3
SHA256

313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4
SHA512

ddd4fcb103b07398dc5eea58119b69c2b409773659d1a904306a2b358e0cad9c366abf92905ddbff0dc7db1b0af0613e91e0113428f0c39b9350618f3b9b4ea0
SSDEEP

12288:9ATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:nT+KjUdQqboyyWoK1NGqzuhj

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\3A972576 = "C:\\Users\\Admin\\AppData\\Roaming\\3A972576\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2628	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 2120 wrote to memory of 2628	2120	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	30
PID 2120 wrote to memory of 2628	2120	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	30
PID 2120 wrote to memory of 2628	2120	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	30
PID 2120 wrote to memory of 2628	2120	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	30
PID 2120 wrote to memory of 2628	2120	313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe	30
PID 2628 wrote to memory of 1172	2628	winver.exe	21
PID 2628 wrote to memory of 1056	2628	winver.exe	17
PID 2628 wrote to memory of 1072	2628	winver.exe	19
PID 2628 wrote to memory of 1172	2628	winver.exe	21
PID 2628 wrote to memory of 1412	2628	winver.exe	25
PID 2628 wrote to memory of 2120	2628	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\313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe
  "C:\Users\Admin\AppData\Local\Temp\313541b3151f9d1c468b775af6aad86f97e085b719be4e776466af81771acef4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2120
- - 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:2628

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/1056-11-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/1056-28-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1072-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-3-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1172-1-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1172-17-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1172-6-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1412-20-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1412-29-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/2120-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2628-25-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2628-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2628-31-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download