tinba | ae8b2bdb9383394e716cdee32634be775d409c1f3f5735d0b80e0efb4c515f47

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 02:39

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General

Target

ae8b2bdb9383394e716cdee32634be775d409c1f3f5735d0b80e0efb4c515f47.exe
Size

237KB
MD5

905b384357d73357c629379cfc6e6583
SHA1

c92e293bd5ee22d587f3256f902b7875a20b0c9a
SHA256

ae8b2bdb9383394e716cdee32634be775d409c1f3f5735d0b80e0efb4c515f47
SHA512

f4ed6cdd6779c3bde59b2e4ca0542c4f7efc863727de40892b692fa2a7144fc6949d4cf7e69b8fcee58b5d48507d0108ef498ba069aeb4dcffa05324e6734f09
SSDEEP

6144:QA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:QATuTAnKGwUAWVycQqgj

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\0115AA11 = "C:\\Users\\Admin\\AppData\\Roaming\\0115AA11\\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	ae8b2bdb9383394e716cdee32634be775d409c1f3f5735d0b80e0efb4c515f47.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2836	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2836	2340	ae8b2bdb9383394e716cdee32634be775d409c1f3f5735d0b80e0efb4c515f47.exe	31
PID 2340 wrote to memory of 2836	2340	ae8b2bdb9383394e716cdee32634be775d409c1f3f5735d0b80e0efb4c515f47.exe	31
PID 2340 wrote to memory of 2836	2340	ae8b2bdb9383394e716cdee32634be775d409c1f3f5735d0b80e0efb4c515f47.exe	31
PID 2340 wrote to memory of 2836	2340	ae8b2bdb9383394e716cdee32634be775d409c1f3f5735d0b80e0efb4c515f47.exe	31
PID 2340 wrote to memory of 2836	2340	ae8b2bdb9383394e716cdee32634be775d409c1f3f5735d0b80e0efb4c515f47.exe	31
PID 2836 wrote to memory of 1256	2836	winver.exe	21
PID 2836 wrote to memory of 1116	2836	winver.exe	19
PID 2836 wrote to memory of 1180	2836	winver.exe	20
PID 2836 wrote to memory of 1256	2836	winver.exe	21
PID 2836 wrote to memory of 1328	2836	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1256
- C:\Users\Admin\AppData\Local\Temp\ae8b2bdb9383394e716cdee32634be775d409c1f3f5735d0b80e0efb4c515f47.exe
  "C:\Users\Admin\AppData\Local\Temp\ae8b2bdb9383394e716cdee32634be775d409c1f3f5735d0b80e0efb4c515f47.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - 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:2836

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1328

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/1116-27-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1116-11-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1180-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1256-1-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1256-17-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1256-6-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1256-3-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1256-25-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1328-20-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

Filesize
24KB

Download
memory/1328-26-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

Filesize
24KB

Download
memory/2340-8-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2836-23-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2836-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2836-29-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download