tinba | 251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 20:41

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General

Target

251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0.exe
Size

225KB
MD5

e83dccdb4f99d67cd9b1b2cfb1dd27e0
SHA1

9cb51257f337b1946cfad9eba44e5b99de2eb252
SHA256

251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0
SHA512

7dd72feaa792311b5d6763c2ca6b3f2e97bd859142e6f2dac7b0845bbc488bde9142aa5b9c0c47d9c5f0785ab123838ce30e6bcec6771e6a85677409a39ece8c
SSDEEP

6144:VA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:VATuTAnKGwUAW3ycQqgf

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\8797C700 = "C:\\Users\\Admin\\AppData\\Roaming\\8797C700\\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	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2892	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2892	2328	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0.exe	29
PID 2328 wrote to memory of 2892	2328	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0.exe	29
PID 2328 wrote to memory of 2892	2328	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0.exe	29
PID 2328 wrote to memory of 2892	2328	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0.exe	29
PID 2328 wrote to memory of 2892	2328	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0.exe	29
PID 2892 wrote to memory of 1188	2892	winver.exe	20
PID 2892 wrote to memory of 1112	2892	winver.exe	18
PID 2892 wrote to memory of 1164	2892	winver.exe	19
PID 2892 wrote to memory of 1188	2892	winver.exe	20
PID 2892 wrote to memory of 1644	2892	winver.exe	24
PID 2892 wrote to memory of 2328	2892	winver.exe	28

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0.exe
  "C:\Users\Admin\AppData\Local\Temp\251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2328
- - 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:2892

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1644

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/1112-27-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1112-10-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/1188-17-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/1188-29-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1644-20-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/1644-28-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2328-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-25-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2892-4-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2892-31-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download