tinba | e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4ab

Analysis

max time kernel
119s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2024 07:24

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General

Target

e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe
Size

98KB
MD5

8c0adebc3f61f5aa84b017b1d03fa230
SHA1

607225827a57d242b396b69a41522057c345be78
SHA256

e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4ab
SHA512

31e9b9625a40c5cc6cd1ae9847f00a25f699c6bee98da0ed1cbac1f75cac26a27ba479411b603e50102e9ca410fcbf8e7cfe2959870c54a8a7df43a94d561dc9
SSDEEP

768:t+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:t+mFM2HXKZgi9Iksu+XM57ipeq9JF

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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A56D2163 = "C:\\Users\\Admin\\AppData\\Roaming\\A56D2163\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5116	2200	WerFault.exe	85

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	e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2200	winver.exe
2200	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2200	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2200	2320	e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe	85
PID 2320 wrote to memory of 2200	2320	e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe	85
PID 2320 wrote to memory of 2200	2320	e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe	85
PID 2320 wrote to memory of 2200	2320	e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe	85
PID 2200 wrote to memory of 3524	2200	winver.exe	56
PID 2200 wrote to memory of 2636	2200	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2636

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3524
- C:\Users\Admin\AppData\Local\Temp\e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe
  "C:\Users\Admin\AppData\Local\Temp\e1717b7128d6e1b17b726cd9adc91357faa04708a040fcf4052d95a0cbc0e4abN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2320
- - 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:2200
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 352
      4⤵
      Program crash
      PID:5116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2200 -ip 2200
1⤵
PID:4284

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/2200-5-0x0000000077B92000-0x0000000077B93000-memory.dmp

Filesize
4KB

Download
memory/2200-14-0x0000000002BE0000-0x0000000002BE6000-memory.dmp

Filesize
24KB

Download
memory/2200-7-0x00007FFD66F50000-0x00007FFD67145000-memory.dmp

Filesize
2.0MB

Download
memory/2200-4-0x0000000002BE0000-0x0000000002BE6000-memory.dmp

Filesize
24KB

Download
memory/2320-3-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/2320-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2320-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2320-9-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/2636-13-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/2636-15-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/3524-6-0x00007FFD66FED000-0x00007FFD66FEE000-memory.dmp

Filesize
4KB

Download
memory/3524-2-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3524-1-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download