tinba | 6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 07:14

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General

Target

6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe
Size

225KB
MD5

5a2ee4c4ebad313cdc5ab130b46b34cd
SHA1

8dd7ebf1ed237ca6be86100760f09554eb72e8d7
SHA256

6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6
SHA512

cd8baa05b9c1ea988772bed9b91e1c206e43beb313262d16cd0e476694a3b7c7e553d5d34eafa5ab32b76b89a3088d5001c999fc167bf5d59784632c63ca39e8
SSDEEP

6144:QA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:QATuTAnKGwUAW3ycQqgl

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\FAEA3911 = "C:\\Users\\Admin\\AppData\\Roaming\\FAEA3911\\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	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2720	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2720	2232	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	31
PID 2232 wrote to memory of 2720	2232	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	31
PID 2232 wrote to memory of 2720	2232	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	31
PID 2232 wrote to memory of 2720	2232	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	31
PID 2232 wrote to memory of 2720	2232	6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe	31
PID 2720 wrote to memory of 1188	2720	winver.exe	21
PID 2720 wrote to memory of 1096	2720	winver.exe	19
PID 2720 wrote to memory of 1156	2720	winver.exe	20
PID 2720 wrote to memory of 1188	2720	winver.exe	21
PID 2720 wrote to memory of 1988	2720	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe
  "C:\Users\Admin\AppData\Local\Temp\6aa4bc3a66b5b17a32055906150d1112adf621b546d8d3028b4e18c2b03e04b6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2232
- - 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:2720

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1988

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/1096-24-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1096-11-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1156-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1156-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1188-17-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1188-25-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1988-20-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/1988-27-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2232-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-23-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2720-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2720-29-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download