tinba | 12f152bef87e5c6882ba821f8f0e6d1c1acf046a5ca87f690c811451f96dc0af

Analysis

max time kernel
119s
max time network
104s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 14:58

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General

Target

031391f337f2001ab20ded753b7fbfb0N.exe
Size

89KB
MD5

031391f337f2001ab20ded753b7fbfb0
SHA1

7e1b4e3245fed678b26b2f947c533c5a246c27c0
SHA256

12f152bef87e5c6882ba821f8f0e6d1c1acf046a5ca87f690c811451f96dc0af
SHA512

525acff231f84750e8b16e811accb196f422b6a5bc0483c157daf5bf3e1dcbae0c572dbfe6d36a4acef485c2f4d130887bac32497164e08bf55782215f361764
SSDEEP

1536:w9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:w9o6fK2XqXQwhnHlqQo8Lvy

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

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\26DA9C00 = "C:\\Users\\Admin\\AppData\\Roaming\\26DA9C00\\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	031391f337f2001ab20ded753b7fbfb0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe
2592	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2592	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2592	1716	031391f337f2001ab20ded753b7fbfb0N.exe	28
PID 1716 wrote to memory of 2592	1716	031391f337f2001ab20ded753b7fbfb0N.exe	28
PID 1716 wrote to memory of 2592	1716	031391f337f2001ab20ded753b7fbfb0N.exe	28
PID 1716 wrote to memory of 2592	1716	031391f337f2001ab20ded753b7fbfb0N.exe	28
PID 1716 wrote to memory of 2592	1716	031391f337f2001ab20ded753b7fbfb0N.exe	28
PID 2592 wrote to memory of 1200	2592	winver.exe	21
PID 2592 wrote to memory of 1120	2592	winver.exe	19
PID 2592 wrote to memory of 1172	2592	winver.exe	20
PID 2592 wrote to memory of 1200	2592	winver.exe	21
PID 2592 wrote to memory of 1584	2592	winver.exe	23
PID 2592 wrote to memory of 1716	2592	winver.exe	27

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\031391f337f2001ab20ded753b7fbfb0N.exe
  "C:\Users\Admin\AppData\Local\Temp\031391f337f2001ab20ded753b7fbfb0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1716
- - 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:2592

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/1120-16-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1120-27-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1172-18-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/1200-5-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-12-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1200-28-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1584-30-0x0000000001C90000-0x0000000001C96000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1584-31-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1716-0-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/1716-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1716-32-0x00000000025F0000-0x0000000002FF0000-memory.dmp

Filesize
10.0MB

Download
memory/1716-6-0x00000000025F0000-0x0000000002FF0000-memory.dmp

Filesize
10.0MB

Download
memory/2592-8-0x0000000077470000-0x0000000077471000-memory.dmp

Filesize
4KB

Download
memory/2592-10-0x000000007746F000-0x0000000077471000-memory.dmp

Filesize
8KB

Download
memory/2592-11-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2592-13-0x0000000077270000-0x0000000077419000-memory.dmp

Filesize
1.7MB

Download
memory/2592-9-0x000000007746F000-0x0000000077470000-memory.dmp

Filesize
4KB

Download
memory/2592-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2592-7-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2592-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download