tinba | 45ab76a49f92152d6b7dcc0618b30ba8a6b1516db4522aa35023643e0c6f31e0

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/10/2024, 14:45

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General

Target

45ab76a49f92152d6b7dcc0618b30ba8a6b1516db4522aa35023643e0c6f31e0N.exe
Size

89KB
MD5

eb42461dd3308bab9b530ff3fca7f710
SHA1

cad0156d267822b3ed7fc5f3026de0e2bb190a00
SHA256

45ab76a49f92152d6b7dcc0618b30ba8a6b1516db4522aa35023643e0c6f31e0
SHA512

7016411a82f9f0ba8d497ae2a283e81fdedb61c884bee7fef2bd5736c444ef11303ebfea610f935454c7d5f8d429cdfa09af4802f687293ae6aa3212ddb6ce13
SSDEEP

1536:x9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:x9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\2A3BA557 = "C:\\Users\\Admin\\AppData\\Roaming\\2A3BA557\\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	45ab76a49f92152d6b7dcc0618b30ba8a6b1516db4522aa35023643e0c6f31e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe
3040	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3040	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 3040	2132	45ab76a49f92152d6b7dcc0618b30ba8a6b1516db4522aa35023643e0c6f31e0N.exe	28
PID 2132 wrote to memory of 3040	2132	45ab76a49f92152d6b7dcc0618b30ba8a6b1516db4522aa35023643e0c6f31e0N.exe	28
PID 2132 wrote to memory of 3040	2132	45ab76a49f92152d6b7dcc0618b30ba8a6b1516db4522aa35023643e0c6f31e0N.exe	28
PID 2132 wrote to memory of 3040	2132	45ab76a49f92152d6b7dcc0618b30ba8a6b1516db4522aa35023643e0c6f31e0N.exe	28
PID 2132 wrote to memory of 3040	2132	45ab76a49f92152d6b7dcc0618b30ba8a6b1516db4522aa35023643e0c6f31e0N.exe	28
PID 3040 wrote to memory of 1080	3040	winver.exe	18
PID 3040 wrote to memory of 1044	3040	winver.exe	17
PID 3040 wrote to memory of 1080	3040	winver.exe	18
PID 3040 wrote to memory of 1088	3040	winver.exe	19
PID 3040 wrote to memory of 1176	3040	winver.exe	23
PID 3040 wrote to memory of 2132	3040	winver.exe	27

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1080
- C:\Users\Admin\AppData\Local\Temp\45ab76a49f92152d6b7dcc0618b30ba8a6b1516db4522aa35023643e0c6f31e0N.exe
  "C:\Users\Admin\AppData\Local\Temp\45ab76a49f92152d6b7dcc0618b30ba8a6b1516db4522aa35023643e0c6f31e0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2132
- - 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:3040

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1176

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/1044-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1044-16-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1044-29-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1080-12-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1080-30-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1080-19-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1080-1-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1080-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1080-5-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1088-31-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1088-22-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1176-33-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1176-32-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1176-24-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/2132-0-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/2132-27-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2132-6-0x00000000025F0000-0x0000000002FF0000-memory.dmp

Filesize
10.0MB

Download
memory/2132-34-0x00000000025F0000-0x0000000002FF0000-memory.dmp

Filesize
10.0MB

Download
memory/3040-10-0x0000000077E8F000-0x0000000077E91000-memory.dmp

Filesize
8KB

Download
memory/3040-7-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/3040-11-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/3040-8-0x0000000077E90000-0x0000000077E91000-memory.dmp

Filesize
4KB

Download
memory/3040-9-0x0000000077E8F000-0x0000000077E90000-memory.dmp

Filesize
4KB

Download
memory/3040-13-0x0000000077C90000-0x0000000077E39000-memory.dmp

Filesize
1.7MB

Download
memory/3040-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/3040-40-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download