tinba | 1aa4661fa0861c83ecda91a5d3e24aba58dccdb3fdfbd48fe6a0c4b2fd9c6cea

Analysis

max time kernel
110s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 11:48

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General

Target

1aa4661fa0861c83ecda91a5d3e24aba58dccdb3fdfbd48fe6a0c4b2fd9c6ceaN.exe
Size

59KB
MD5

52d096f11a2ff7051fd0575a4b593290
SHA1

056615ea6577f70036e1be0d2b312db1afb472ae
SHA256

1aa4661fa0861c83ecda91a5d3e24aba58dccdb3fdfbd48fe6a0c4b2fd9c6cea
SHA512

f20622f56bfa4d2fbfb8ef02e27b43f01aacab2197e0bf763ff9093354161f64f9cfc8e6fd00bbd45897fe63b81771379ee93632172de953697e7b5aecdd8183
SSDEEP

768:z+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9JF:z+mFM2HXKZgiFP7xIksu+XM5O9JF

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\620D3FC5 = "C:\\Users\\Admin\\AppData\\Roaming\\620D3FC5\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4852	1656	WerFault.exe	86

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	1aa4661fa0861c83ecda91a5d3e24aba58dccdb3fdfbd48fe6a0c4b2fd9c6ceaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1656	winver.exe
1656	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1656	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1412 wrote to memory of 1656	1412	1aa4661fa0861c83ecda91a5d3e24aba58dccdb3fdfbd48fe6a0c4b2fd9c6ceaN.exe	86
PID 1412 wrote to memory of 1656	1412	1aa4661fa0861c83ecda91a5d3e24aba58dccdb3fdfbd48fe6a0c4b2fd9c6ceaN.exe	86
PID 1412 wrote to memory of 1656	1412	1aa4661fa0861c83ecda91a5d3e24aba58dccdb3fdfbd48fe6a0c4b2fd9c6ceaN.exe	86
PID 1412 wrote to memory of 1656	1412	1aa4661fa0861c83ecda91a5d3e24aba58dccdb3fdfbd48fe6a0c4b2fd9c6ceaN.exe	86
PID 1656 wrote to memory of 3520	1656	winver.exe	56
PID 1656 wrote to memory of 2672	1656	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2672

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\1aa4661fa0861c83ecda91a5d3e24aba58dccdb3fdfbd48fe6a0c4b2fd9c6ceaN.exe
  "C:\Users\Admin\AppData\Local\Temp\1aa4661fa0861c83ecda91a5d3e24aba58dccdb3fdfbd48fe6a0c4b2fd9c6ceaN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1412
- - 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:1656
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 356
      4⤵
      Program crash
      PID:4852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1656 -ip 1656
1⤵
PID:5032

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/1412-9-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/1412-0-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/1412-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1412-3-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/1656-5-0x0000000077292000-0x0000000077293000-memory.dmp

Filesize
4KB

Download
memory/1656-4-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/1656-7-0x00007FFE354F0000-0x00007FFE356E5000-memory.dmp

Filesize
2.0MB

Download
memory/1656-15-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/2672-14-0x00007FFE3558D000-0x00007FFE3558E000-memory.dmp

Filesize
4KB

Download
memory/2672-13-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2672-16-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFE3558D000-0x00007FFE3558E000-memory.dmp

Filesize
4KB

Download
memory/3520-1-0x00000000012F0000-0x00000000012F6000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x00000000012F0000-0x00000000012F6000-memory.dmp

Filesize
24KB

Download