tinba | 318331584cc80cdc2cdeb18b7bb2cd2668ba6a60aedb60ef295b77351a4506f8

Analysis

max time kernel
109s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 19:16

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General

Target

318331584cc80cdc2cdeb18b7bb2cd2668ba6a60aedb60ef295b77351a4506f8N.exe
Size

45KB
MD5

9d8767c2e2f8b3bfde57a5d193c61250
SHA1

d9f9cf6bb42eaefad0302a0e83db472933fb6f17
SHA256

318331584cc80cdc2cdeb18b7bb2cd2668ba6a60aedb60ef295b77351a4506f8
SHA512

0e958a41b8839ed508078987337a88f91b50569ba264a660fd709f10efd3ed474fc0fc38882194ee0795e225b913ed3e0b4de4c84acf63983ad8fbd55cd53967
SSDEEP

768:ghP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:csWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C9880ED0 = "C:\\Users\\Admin\\AppData\\Roaming\\C9880ED0\\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/3296-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1156	5076	WerFault.exe	83

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	318331584cc80cdc2cdeb18b7bb2cd2668ba6a60aedb60ef295b77351a4506f8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5076	winver.exe
5076	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5076	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3296 wrote to memory of 5076	3296	318331584cc80cdc2cdeb18b7bb2cd2668ba6a60aedb60ef295b77351a4506f8N.exe	83
PID 3296 wrote to memory of 5076	3296	318331584cc80cdc2cdeb18b7bb2cd2668ba6a60aedb60ef295b77351a4506f8N.exe	83
PID 3296 wrote to memory of 5076	3296	318331584cc80cdc2cdeb18b7bb2cd2668ba6a60aedb60ef295b77351a4506f8N.exe	83
PID 3296 wrote to memory of 5076	3296	318331584cc80cdc2cdeb18b7bb2cd2668ba6a60aedb60ef295b77351a4506f8N.exe	83
PID 5076 wrote to memory of 3516	5076	winver.exe	56
PID 5076 wrote to memory of 2500	5076	winver.exe	42

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2500

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3516
- C:\Users\Admin\AppData\Local\Temp\318331584cc80cdc2cdeb18b7bb2cd2668ba6a60aedb60ef295b77351a4506f8N.exe
  "C:\Users\Admin\AppData\Local\Temp\318331584cc80cdc2cdeb18b7bb2cd2668ba6a60aedb60ef295b77351a4506f8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3296
- - 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:5076
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 352
      4⤵
      Program crash
      PID:1156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5076 -ip 5076
1⤵
PID:1008

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/2500-15-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3296-11-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/3296-1-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/3296-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3296-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/3296-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3516-3-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3516-7-0x00007FFA6AF6D000-0x00007FFA6AF6E000-memory.dmp

Filesize
4KB

Download
memory/3516-2-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/5076-8-0x00007FFA6AED0000-0x00007FFA6B0C5000-memory.dmp

Filesize
2.0MB

Download
memory/5076-5-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/5076-6-0x0000000077E62000-0x0000000077E63000-memory.dmp

Filesize
4KB

Download
memory/5076-16-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download