tinba | 51245914b5970738437c8ee2bf75cab5c0d9b3dd2c0115c1fd7629b4b8d05374

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
12/08/2024, 20:38

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General

Target

51245914b5970738437c8ee2bf75cab5c0d9b3dd2c0115c1fd7629b4b8d05374.exe
Size

225KB
MD5

5f2d481cf05acd0e2f92a765811efc3d
SHA1

83d9f0407d91e0ce39d963e45cf0ebf4231a38e4
SHA256

51245914b5970738437c8ee2bf75cab5c0d9b3dd2c0115c1fd7629b4b8d05374
SHA512

3498adaccce8e1e942f36722073ac4f2ecb28b7b97b799ba5211063ca93fcc636458081c70244ad591b149f4500db88000a7e7a2814250e36fc17996a46d21a1
SSDEEP

6144:gA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:gATuTAnKGwUAW3ycQqgf

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

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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\809FB03E = "C:\\Users\\Admin\\AppData\\Roaming\\809FB03E\\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	51245914b5970738437c8ee2bf75cab5c0d9b3dd2c0115c1fd7629b4b8d05374.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe
2824	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2824	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2824	3020	51245914b5970738437c8ee2bf75cab5c0d9b3dd2c0115c1fd7629b4b8d05374.exe	31
PID 3020 wrote to memory of 2824	3020	51245914b5970738437c8ee2bf75cab5c0d9b3dd2c0115c1fd7629b4b8d05374.exe	31
PID 3020 wrote to memory of 2824	3020	51245914b5970738437c8ee2bf75cab5c0d9b3dd2c0115c1fd7629b4b8d05374.exe	31
PID 3020 wrote to memory of 2824	3020	51245914b5970738437c8ee2bf75cab5c0d9b3dd2c0115c1fd7629b4b8d05374.exe	31
PID 3020 wrote to memory of 2824	3020	51245914b5970738437c8ee2bf75cab5c0d9b3dd2c0115c1fd7629b4b8d05374.exe	31
PID 2824 wrote to memory of 1216	2824	winver.exe	21
PID 2824 wrote to memory of 1120	2824	winver.exe	19
PID 2824 wrote to memory of 1168	2824	winver.exe	20
PID 2824 wrote to memory of 1216	2824	winver.exe	21
PID 2824 wrote to memory of 1208	2824	winver.exe	23
PID 2824 wrote to memory of 3020	2824	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\51245914b5970738437c8ee2bf75cab5c0d9b3dd2c0115c1fd7629b4b8d05374.exe
  "C:\Users\Admin\AppData\Local\Temp\51245914b5970738437c8ee2bf75cab5c0d9b3dd2c0115c1fd7629b4b8d05374.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3020
- - 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:2824

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1208

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

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Downloads

memory/1120-28-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1120-9-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1168-12-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1168-26-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1208-29-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1208-18-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1216-15-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1216-6-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1216-1-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1216-27-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/2824-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2824-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2824-31-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/3020-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download