tinba | 6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/09/2024, 15:29

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General

Target

6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe
Size

160KB
MD5

dd6b4f1747fd60bc6bd42517410cfde0
SHA1

ca0850c763963f97a8ae8c867e7c0a0c1e320bf7
SHA256

6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95
SHA512

de406a9761051624bb159f6b99bc86be54de3e556e8e9df793fed4c96df2d8383448805f85912e6439e06c1bfd9ab9645dd14406f7ebe837cabf43444d00dae6
SSDEEP

1536:WEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:9Y+4MiIkLZJNAQ9J6v

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1628-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\D0244C24 = "C:\\Users\\Admin\\AppData\\Roaming\\D0244C24\\bin.exe"	winver.exe

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	6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe
2488	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2488	winver.exe
1152	Explorer.EXE
1152	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1152	Explorer.EXE
1152	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2488	1628	6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe	32
PID 1628 wrote to memory of 2488	1628	6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe	32
PID 1628 wrote to memory of 2488	1628	6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe	32
PID 1628 wrote to memory of 2488	1628	6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe	32
PID 1628 wrote to memory of 2488	1628	6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe	32
PID 2488 wrote to memory of 1152	2488	winver.exe	20
PID 2488 wrote to memory of 1068	2488	winver.exe	17
PID 2488 wrote to memory of 1080	2488	winver.exe	18
PID 2488 wrote to memory of 1152	2488	winver.exe	20
PID 2488 wrote to memory of 268	2488	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1068

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1080

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1152
- C:\Users\Admin\AppData\Local\Temp\6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe
  "C:\Users\Admin\AppData\Local\Temp\6c7ca572606961f212fdc41ce73617d9e3c2cff300b40f10ccf37f9df6f26c95N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1628
- - 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:2488

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:268

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/268-24-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/268-30-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/268-31-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1068-26-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1068-25-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1080-27-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1080-20-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1152-2-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1152-10-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1152-3-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1152-22-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1152-28-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1152-4-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1628-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1628-14-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/1628-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1628-5-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/1628-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2488-6-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2488-29-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2488-7-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/2488-8-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/2488-9-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download
memory/2488-11-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download