tinba | 7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 19:17

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General

Target

7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe
Size

59KB
MD5

2eb3e4ce38c456bcd4c65ee1a48e9d00
SHA1

5dd2bb5dc8d25b86013718563bced9154322b5b1
SHA256

7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077
SHA512

14c43d412dbf13c016f5dce33053ef5fbf303045a2998fdad09419a021a2e97b81d7771ad6e112ac77bf3cd2c6abf765bcae99d6565cdef29ff6c215738a1c5c
SSDEEP

768:++6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:++mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\4EFA8320 = "C:\\Users\\Admin\\AppData\\Roaming\\4EFA8320\\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	7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe
1996	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1996	winver.exe
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 1996	840	7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe	31
PID 840 wrote to memory of 1996	840	7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe	31
PID 840 wrote to memory of 1996	840	7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe	31
PID 840 wrote to memory of 1996	840	7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe	31
PID 840 wrote to memory of 1996	840	7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe	31
PID 1996 wrote to memory of 1164	1996	winver.exe	21
PID 1996 wrote to memory of 1048	1996	winver.exe	18
PID 1996 wrote to memory of 1124	1996	winver.exe	20
PID 1996 wrote to memory of 1164	1996	winver.exe	21
PID 1996 wrote to memory of 1948	1996	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1124

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1164
- C:\Users\Admin\AppData\Local\Temp\7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe
  "C:\Users\Admin\AppData\Local\Temp\7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:840
- - 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:1996

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1948

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/840-4-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/840-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/840-12-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/840-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1048-25-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1048-23-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1048-26-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1124-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1124-24-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1124-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1164-20-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1164-9-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1164-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1164-1-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1164-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1948-22-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1948-29-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1948-31-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1948-30-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1996-10-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/1996-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1996-6-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/1996-7-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/1996-8-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download
memory/1996-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download