tinba | d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7d

Analysis

max time kernel
113s
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
22-01-2025 09:02

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General

Target

d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe
Size

59KB
MD5

e25b134b7675b07a45141cad37b74850
SHA1

57fb6824721fdae88b6d01a0ff4d8a4cc18262b4
SHA256

d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7d
SHA512

1b11e503dabf476267a564943b39d326e73f04ce1dc163144942935edac43edfeff722f787aaf04abbc31f18be17404397865771ede1a1befc7e01f53977cab9
SSDEEP

768:1+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9JF:1+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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0EBAAE00 = "C:\\Users\\Admin\\AppData\\Roaming\\0EBAAE00\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1284	1944	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	d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1944	winver.exe
1944	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
1944	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 1944	1700	d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe	84
PID 1700 wrote to memory of 1944	1700	d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe	84
PID 1700 wrote to memory of 1944	1700	d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe	84
PID 1700 wrote to memory of 1944	1700	d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe	84
PID 1944 wrote to memory of 3524	1944	winver.exe	56
PID 1944 wrote to memory of 2552	1944	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3524
- C:\Users\Admin\AppData\Local\Temp\d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe
  "C:\Users\Admin\AppData\Local\Temp\d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1700
- - 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:1944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 356
      4⤵
      Program crash
      PID:1284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1944 -ip 1944
1⤵
PID:4452

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/1700-0-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/1700-8-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/1700-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1700-3-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/1944-6-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

Filesize
2.0MB

Download
memory/1944-4-0x0000000077252000-0x0000000077253000-memory.dmp

Filesize
4KB

Download
memory/1944-10-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/1944-14-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/2552-13-0x00007FF99A24D000-0x00007FF99A24E000-memory.dmp

Filesize
4KB

Download
memory/2552-12-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/2552-15-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/3524-5-0x00007FF99A24D000-0x00007FF99A24E000-memory.dmp

Filesize
4KB

Download
memory/3524-2-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3524-1-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download