tinba | dc08667ae3ca0a09e2d19075bde52074a2f9b50dfeb1f62a7465792d890a642d

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 22:18

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General

Target

dc08667ae3ca0a09e2d19075bde52074a2f9b50dfeb1f62a7465792d890a642dN.exe
Size

59KB
MD5

50e681a8f2d0afabdfb90fd0b2a87540
SHA1

81b7c32b670dd05bf4eb20a8a6e2e013d5c71cd2
SHA256

dc08667ae3ca0a09e2d19075bde52074a2f9b50dfeb1f62a7465792d890a642d
SHA512

ecd58c6eb9ab53d82fe370a397137a39fd64117a3ca5627dacbb568f675bb1e74922806bf4598e6310767145e825109217880183a72cf4d0e5773dcfa8f315c4
SSDEEP

768:5+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:5+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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D2E21C4C = "C:\\Users\\Admin\\AppData\\Roaming\\D2E21C4C\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4716	1136	WerFault.exe	84

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	dc08667ae3ca0a09e2d19075bde52074a2f9b50dfeb1f62a7465792d890a642dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1136	winver.exe
1136	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1136	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 1136	4392	dc08667ae3ca0a09e2d19075bde52074a2f9b50dfeb1f62a7465792d890a642dN.exe	84
PID 4392 wrote to memory of 1136	4392	dc08667ae3ca0a09e2d19075bde52074a2f9b50dfeb1f62a7465792d890a642dN.exe	84
PID 4392 wrote to memory of 1136	4392	dc08667ae3ca0a09e2d19075bde52074a2f9b50dfeb1f62a7465792d890a642dN.exe	84
PID 4392 wrote to memory of 1136	4392	dc08667ae3ca0a09e2d19075bde52074a2f9b50dfeb1f62a7465792d890a642dN.exe	84
PID 1136 wrote to memory of 3544	1136	winver.exe	56
PID 1136 wrote to memory of 2596	1136	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\dc08667ae3ca0a09e2d19075bde52074a2f9b50dfeb1f62a7465792d890a642dN.exe
  "C:\Users\Admin\AppData\Local\Temp\dc08667ae3ca0a09e2d19075bde52074a2f9b50dfeb1f62a7465792d890a642dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4392
- - 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:1136
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 352
      4⤵
      Program crash
      PID:4716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1136 -ip 1136
1⤵
PID:1240

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/1136-5-0x00007FF8A6110000-0x00007FF8A6305000-memory.dmp

Filesize
2.0MB

Download
memory/1136-9-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download
memory/1136-12-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download
memory/2596-11-0x0000000000F10000-0x0000000000F16000-memory.dmp

Filesize
24KB

Download
memory/3544-2-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/3544-1-0x0000000001350000-0x0000000001356000-memory.dmp

Filesize
24KB

Download
memory/3544-4-0x00007FF8A61AD000-0x00007FF8A61AE000-memory.dmp

Filesize
4KB

Download
memory/4392-0-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/4392-3-0x0000000002130000-0x0000000002B30000-memory.dmp

Filesize
10.0MB

Download
memory/4392-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4392-7-0x0000000002130000-0x0000000002B30000-memory.dmp

Filesize
10.0MB

Download