tinba | 7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077

Analysis

max time kernel
106s
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
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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D1092938 = "C:\\Users\\Admin\\AppData\\Roaming\\D1092938\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2168	396	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
396	winver.exe
396	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
396	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 396	1692	7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe	84
PID 1692 wrote to memory of 396	1692	7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe	84
PID 1692 wrote to memory of 396	1692	7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe	84
PID 1692 wrote to memory of 396	1692	7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe	84
PID 396 wrote to memory of 3500	396	winver.exe	56
PID 396 wrote to memory of 2676	396	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2676

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- 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:1692
- - 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:396
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 352
      4⤵
      Program crash
      PID:2168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 396 -ip 396
1⤵
PID:4828

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/396-4-0x0000000077CF2000-0x0000000077CF3000-memory.dmp

Filesize
4KB

Download
memory/396-14-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/396-11-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/396-7-0x00007FFF64150000-0x00007FFF64345000-memory.dmp

Filesize
2.0MB

Download
memory/1692-3-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/1692-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1692-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1692-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2676-13-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/3500-5-0x00007FFF641ED000-0x00007FFF641EE000-memory.dmp

Filesize
4KB

Download
memory/3500-6-0x00007FFF641EC000-0x00007FFF641ED000-memory.dmp

Filesize
4KB

Download
memory/3500-2-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3500-1-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download