tinba | f84f60353ad0695dd602d49477cb491d06cf5950de48e383aab82736e0312e7c

Analysis

max time kernel
109s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 11:17

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General

Target

f84f60353ad0695dd602d49477cb491d06cf5950de48e383aab82736e0312e7cN.exe
Size

89KB
MD5

a6f2bd35d8e1b9e831e0b27292cc0290
SHA1

1d0bb71200aed12f4e4a0d74ae3fa5bb93fef38d
SHA256

f84f60353ad0695dd602d49477cb491d06cf5950de48e383aab82736e0312e7c
SHA512

c2aae9afa26059652d732ced3b8221ebfef8d81e7d05639cfbfa4ba0f96653dcfb03203c6fac837ec87056d736c21206a55386a03affdd5035381c69c5889709
SSDEEP

1536:Wz44CpRkr9DXhH/2m//56RrufqjhzrmKIFAV0E:WzvokZRfN/yFj1qrFAH

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\635212AE = "C:\\Users\\Admin\\AppData\\Roaming\\635212AE\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4488	3968	WerFault.exe	88

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	f84f60353ad0695dd602d49477cb491d06cf5950de48e383aab82736e0312e7cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3968	winver.exe
3968	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
3968	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 3968	2372	f84f60353ad0695dd602d49477cb491d06cf5950de48e383aab82736e0312e7cN.exe	88
PID 2372 wrote to memory of 3968	2372	f84f60353ad0695dd602d49477cb491d06cf5950de48e383aab82736e0312e7cN.exe	88
PID 2372 wrote to memory of 3968	2372	f84f60353ad0695dd602d49477cb491d06cf5950de48e383aab82736e0312e7cN.exe	88
PID 2372 wrote to memory of 3968	2372	f84f60353ad0695dd602d49477cb491d06cf5950de48e383aab82736e0312e7cN.exe	88
PID 3968 wrote to memory of 3516	3968	winver.exe	56
PID 3968 wrote to memory of 2396	3968	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2396

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3516
- C:\Users\Admin\AppData\Local\Temp\f84f60353ad0695dd602d49477cb491d06cf5950de48e383aab82736e0312e7cN.exe
  "C:\Users\Admin\AppData\Local\Temp\f84f60353ad0695dd602d49477cb491d06cf5950de48e383aab82736e0312e7cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2372
- - 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:3968
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 352
      4⤵
      Program crash
      PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3968 -ip 3968
1⤵
PID:4296

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/2372-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2372-1-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/2372-2-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2372-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2372-11-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2396-15-0x0000000000B80000-0x0000000000B86000-memory.dmp

Filesize
24KB

Download
memory/3516-4-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3516-7-0x00007FFB8630D000-0x00007FFB8630E000-memory.dmp

Filesize
4KB

Download
memory/3516-3-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3968-6-0x0000000077282000-0x0000000077283000-memory.dmp

Filesize
4KB

Download
memory/3968-8-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/3968-5-0x0000000002890000-0x0000000002896000-memory.dmp

Filesize
24KB

Download
memory/3968-16-0x0000000002890000-0x0000000002896000-memory.dmp

Filesize
24KB

Download