tinba | 65a67b7e0bd34ae4c1de6de8b3c6c3db7c09ae526af4914bb012f13abf927d26

Analysis

max time kernel
140s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 04:48

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General

Target

65a67b7e0bd34ae4c1de6de8b3c6c3db7c09ae526af4914bb012f13abf927d26.exe
Size

45KB
MD5

35820dc85ab582b631850897ac4610ad
SHA1

cf2412235cae83b417eb91ddf925d6c330778239
SHA256

65a67b7e0bd34ae4c1de6de8b3c6c3db7c09ae526af4914bb012f13abf927d26
SHA512

4dc39e9b9a353703109340bc146c44f5f1dd4437003bbcb3f09830ed65e7db106507f581a6c06b0f0ed1ec5b1a59101c03a14417f184aee0e031b3c86886f3ec
SSDEEP

768:PhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:ZsWE9N5dFu53dsniQaB/xZ14n7zIF+qL

Score

10^/10

tinba banker discovery persistence trojan upx

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\433FD0FC = "C:\\Users\\Admin\\AppData\\Roaming\\433FD0FC\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3668-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4828	3924	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	65a67b7e0bd34ae4c1de6de8b3c6c3db7c09ae526af4914bb012f13abf927d26.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3924	winver.exe
3924	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3924	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 3924	3668	65a67b7e0bd34ae4c1de6de8b3c6c3db7c09ae526af4914bb012f13abf927d26.exe	84
PID 3668 wrote to memory of 3924	3668	65a67b7e0bd34ae4c1de6de8b3c6c3db7c09ae526af4914bb012f13abf927d26.exe	84
PID 3668 wrote to memory of 3924	3668	65a67b7e0bd34ae4c1de6de8b3c6c3db7c09ae526af4914bb012f13abf927d26.exe	84
PID 3668 wrote to memory of 3924	3668	65a67b7e0bd34ae4c1de6de8b3c6c3db7c09ae526af4914bb012f13abf927d26.exe	84
PID 3924 wrote to memory of 3488	3924	winver.exe	56
PID 3924 wrote to memory of 2924	3924	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2924

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\65a67b7e0bd34ae4c1de6de8b3c6c3db7c09ae526af4914bb012f13abf927d26.exe
  "C:\Users\Admin\AppData\Local\Temp\65a67b7e0bd34ae4c1de6de8b3c6c3db7c09ae526af4914bb012f13abf927d26.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3668
- - 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:3924
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 352
      4⤵
      Program crash
      PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3924 -ip 3924
1⤵
PID:4520

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/2924-13-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/3488-6-0x00007FFC4E3AD000-0x00007FFC4E3AE000-memory.dmp

Filesize
4KB

Download
memory/3488-3-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/3488-2-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/3668-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/3668-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3668-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3668-9-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/3668-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3924-5-0x0000000077342000-0x0000000077343000-memory.dmp

Filesize
4KB

Download
memory/3924-7-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

Filesize
2.0MB

Download
memory/3924-11-0x0000000002C60000-0x0000000002C66000-memory.dmp

Filesize
24KB

Download
memory/3924-14-0x0000000002C60000-0x0000000002C66000-memory.dmp

Filesize
24KB

Download