tinba | 3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac

Analysis

max time kernel
148s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-02-2025 21:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe
Size

54KB
MD5

1f37d462993d92b71a98025a7944db60
SHA1

b1d13b1abb0fcf9f6ebdb5d1ee1c5900acbd2005
SHA256

3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac
SHA512

4313e9919beaff58bdc9e471ec825873e3c1855efd94a841f13d599a52b2c6fda5cd9bfe0f252ee837e483bf3012b2c572a6a1937f247d6e11d65c9d1381ecad
SSDEEP

768:j3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBS:b5tPusSRJDTlLTOpJiaDjts4gfFi2+A

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\E9D5BB81 = "C:\\Users\\Admin\\AppData\\Roaming\\E9D5BB81\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1088 set thread context of 2728	1088	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2780	winver.exe
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1088	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 2728	1088	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	31
PID 1088 wrote to memory of 2728	1088	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	31
PID 1088 wrote to memory of 2728	1088	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	31
PID 1088 wrote to memory of 2728	1088	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	31
PID 1088 wrote to memory of 2728	1088	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	31
PID 1088 wrote to memory of 2728	1088	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	31
PID 1088 wrote to memory of 2728	1088	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	31
PID 2728 wrote to memory of 2780	2728	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	32
PID 2728 wrote to memory of 2780	2728	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	32
PID 2728 wrote to memory of 2780	2728	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	32
PID 2728 wrote to memory of 2780	2728	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	32
PID 2728 wrote to memory of 2780	2728	3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe	32
PID 2780 wrote to memory of 1232	2780	winver.exe	21
PID 2780 wrote to memory of 1112	2780	winver.exe	19
PID 2780 wrote to memory of 1168	2780	winver.exe	20
PID 2780 wrote to memory of 1232	2780	winver.exe	21
PID 2780 wrote to memory of 1740	2780	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1232
- C:\Users\Admin\AppData\Local\Temp\3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe
  "C:\Users\Admin\AppData\Local\Temp\3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Users\Admin\AppData\Local\Temp\3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe
    "C:\Users\Admin\AppData\Local\Temp\3a5f2c81e3a85ba2beb984b96abea2afb1f8f8c188df7eef8d82399f863d13ac.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2780

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1740

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/1112-18-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1112-31-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1112-32-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1168-34-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1168-21-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1232-13-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1232-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1232-12-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1232-11-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1232-10-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1232-9-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1232-38-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1232-24-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1232-35-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1232-5-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1740-37-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1740-36-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1740-27-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/2728-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2780-6-0x0000000001A70000-0x0000000001A76000-memory.dmp

Filesize
24KB

Download
memory/2780-30-0x0000000001B20000-0x0000000001B26000-memory.dmp

Filesize
24KB

Download
memory/2780-8-0x0000000000040000-0x0000000000056000-memory.dmp

Filesize
88KB

Download
memory/2780-3-0x0000000000041000-0x0000000000042000-memory.dmp

Filesize
4KB

Download
memory/2780-33-0x00000000771C0000-0x0000000077369000-memory.dmp

Filesize
1.7MB

Download
memory/2780-44-0x0000000001B20000-0x0000000001B26000-memory.dmp

Filesize
24KB

Download