tinba | d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 19:18

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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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2B4E171F = "C:\\Users\\Admin\\AppData\\Roaming\\2B4E171F\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2288	2012	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	d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2012	winver.exe
2012	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2012	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 2012	4680	d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe	85
PID 4680 wrote to memory of 2012	4680	d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe	85
PID 4680 wrote to memory of 2012	4680	d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe	85
PID 4680 wrote to memory of 2012	4680	d2aa0f3e94249814cc9df7ce269e58036b8385efb86e1549e4636d2cbda29e7dN.exe	85
PID 2012 wrote to memory of 3508	2012	winver.exe	56
PID 2012 wrote to memory of 2648	2012	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3508
- 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:4680
- - 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:2012
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 352
      4⤵
      Program crash
      PID:2288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2012 -ip 2012
1⤵
PID:112

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/2012-4-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download
memory/2012-6-0x00007FFBD6DB0000-0x00007FFBD6FA5000-memory.dmp

Filesize
2.0MB

Download
memory/2012-13-0x0000000001070000-0x0000000001076000-memory.dmp

Filesize
24KB

Download
memory/2648-12-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/3508-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3508-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3508-5-0x00007FFBD6E4D000-0x00007FFBD6E4E000-memory.dmp

Filesize
4KB

Download
memory/4680-0-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/4680-3-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download
memory/4680-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4680-8-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download