tinba | 90701a3781f6aece6aaf1d3605a02eedf159c9ae5ca685ded71b19bdfff20636

Analysis

max time kernel
119s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 09:08

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General

Target

90701a3781f6aece6aaf1d3605a02eedf159c9ae5ca685ded71b19bdfff20636.exe
Size

123KB
MD5

7c98c0878b33e3987cc2e9d66344605e
SHA1

83356419aaba4d4676146938afd057cfe3441ae9
SHA256

90701a3781f6aece6aaf1d3605a02eedf159c9ae5ca685ded71b19bdfff20636
SHA512

de65e076140991bddb3e220fd24be12dd9974ac0fbd06da70db6b21f3cd7d618ccbde54a2a9f6cd7e72fb9968ef939ab2dae3494b5d6a74278fe89a7d4c196bd
SSDEEP

3072:D8q8/KGHNOMZXJEEOvd44Ts2ktrAN9j3gli0B0vHs7y5uoRz4s:Dr8/KCXEEQd4oErAN9cPEZ5B

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\B76F99E3 = "C:\\Users\\Admin\\AppData\\Roaming\\B76F99E3\\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	90701a3781f6aece6aaf1d3605a02eedf159c9ae5ca685ded71b19bdfff20636.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2132	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2132	2692	90701a3781f6aece6aaf1d3605a02eedf159c9ae5ca685ded71b19bdfff20636.exe	28
PID 2692 wrote to memory of 2132	2692	90701a3781f6aece6aaf1d3605a02eedf159c9ae5ca685ded71b19bdfff20636.exe	28
PID 2692 wrote to memory of 2132	2692	90701a3781f6aece6aaf1d3605a02eedf159c9ae5ca685ded71b19bdfff20636.exe	28
PID 2692 wrote to memory of 2132	2692	90701a3781f6aece6aaf1d3605a02eedf159c9ae5ca685ded71b19bdfff20636.exe	28
PID 2692 wrote to memory of 2132	2692	90701a3781f6aece6aaf1d3605a02eedf159c9ae5ca685ded71b19bdfff20636.exe	28
PID 2132 wrote to memory of 1200	2132	winver.exe	21
PID 2132 wrote to memory of 1120	2132	winver.exe	19
PID 2132 wrote to memory of 1172	2132	winver.exe	20
PID 2132 wrote to memory of 1200	2132	winver.exe	21
PID 2132 wrote to memory of 1584	2132	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\90701a3781f6aece6aaf1d3605a02eedf159c9ae5ca685ded71b19bdfff20636.exe
  "C:\Users\Admin\AppData\Local\Temp\90701a3781f6aece6aaf1d3605a02eedf159c9ae5ca685ded71b19bdfff20636.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2692
- - 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:2132

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1584

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/1120-28-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1172-24-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1172-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-25-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1200-21-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-9-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1200-3-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1584-26-0x0000000001C90000-0x0000000001C96000-memory.dmp

Filesize
24KB

Download
memory/1584-27-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1584-23-0x0000000001C90000-0x0000000001C96000-memory.dmp

Filesize
24KB

Download
memory/2132-10-0x0000000077270000-0x0000000077419000-memory.dmp

Filesize
1.7MB

Download
memory/2132-5-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2132-7-0x000000007746F000-0x0000000077470000-memory.dmp

Filesize
4KB

Download
memory/2132-8-0x000000007746F000-0x0000000077471000-memory.dmp

Filesize
8KB

Download
memory/2132-6-0x0000000077470000-0x0000000077471000-memory.dmp

Filesize
4KB

Download
memory/2132-30-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2132-31-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2692-12-0x0000000001FB0000-0x00000000029B0000-memory.dmp

Filesize
10.0MB

Download
memory/2692-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2692-0-0x00000000002D0000-0x00000000002D2000-memory.dmp

Filesize
8KB

Download
memory/2692-4-0x0000000001FB0000-0x00000000029B0000-memory.dmp

Filesize
10.0MB

Download