tinba | 54988a902d33912030b0fe251169e7106537b91f86d07f5fdfecf4762f8776fd

Analysis

max time kernel
119s
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
09-10-2024 07:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

54988a902d33912030b0fe251169e7106537b91f86d07f5fdfecf4762f8776fdN.exe
Size

106KB
MD5

eb5f032ba1ea11050269e4f38d32ad90
SHA1

a487d284471ea30fae3132dfb52932701ad1338e
SHA256

54988a902d33912030b0fe251169e7106537b91f86d07f5fdfecf4762f8776fd
SHA512

264def5458d8e325aa5d79bc9867d10f3ab7e70c51e330e1b59161c80cff1f96c03b3afaef3d27bb99587e6ea6b90659e471ec140bd01164e9e7d5f6aeb08d3e
SSDEEP

768:2+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:2+mFM2QXtZgi9Iksu+XM57ipeq9JA

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B20EB72B = "C:\\Users\\Admin\\AppData\\Roaming\\B20EB72B\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4460	4956	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	54988a902d33912030b0fe251169e7106537b91f86d07f5fdfecf4762f8776fdN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4956	winver.exe
4956	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4956	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 4956	756	54988a902d33912030b0fe251169e7106537b91f86d07f5fdfecf4762f8776fdN.exe	86
PID 756 wrote to memory of 4956	756	54988a902d33912030b0fe251169e7106537b91f86d07f5fdfecf4762f8776fdN.exe	86
PID 756 wrote to memory of 4956	756	54988a902d33912030b0fe251169e7106537b91f86d07f5fdfecf4762f8776fdN.exe	86
PID 756 wrote to memory of 4956	756	54988a902d33912030b0fe251169e7106537b91f86d07f5fdfecf4762f8776fdN.exe	86
PID 4956 wrote to memory of 3436	4956	winver.exe	56
PID 4956 wrote to memory of 2616	4956	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\54988a902d33912030b0fe251169e7106537b91f86d07f5fdfecf4762f8776fdN.exe
  "C:\Users\Admin\AppData\Local\Temp\54988a902d33912030b0fe251169e7106537b91f86d07f5fdfecf4762f8776fdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:756
- - 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:4956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 352
      4⤵
      Program crash
      PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 4956 -ip 4956
1⤵
PID:3220

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

Loading Replay Monitor...

Downloads

memory/756-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/756-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/756-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/756-10-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/756-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2616-14-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3436-7-0x00007FFC9E28D000-0x00007FFC9E28E000-memory.dmp

Filesize
4KB

Download
memory/3436-3-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3436-17-0x00007FFC9E420000-0x00007FFC9E421000-memory.dmp

Filesize
4KB

Download
memory/4956-5-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

Filesize
24KB

Download
memory/4956-8-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/4956-6-0x0000000077062000-0x0000000077063000-memory.dmp

Filesize
4KB

Download
memory/4956-15-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

Filesize
24KB

Download