tinba | d5941c64e562641077190060c556ff40f0a643014e7fa6a38ab4d9de686757d2

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 11:29

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General

Target

2909051344dd80a33dfd47d1cf60372ba535aa3745ed0df8434681a3e715f32d.exe
Size

135KB
MD5

eff8f73d4e5ffbfd8cb4a8f509e7b5e8
SHA1

bedbda380d25eaa952738340b3d3c3a6b9cc03f2
SHA256

2909051344dd80a33dfd47d1cf60372ba535aa3745ed0df8434681a3e715f32d
SHA512

e6e236f195ed860f35bb2ec0fb830744f1f14b4ee00b7f14ae120fc083d3b9461532178e14c0aed38c1070b2326387018e7283d14f64f17d11ac0aef6afa0fb8
SSDEEP

3072:8ir6VutmzgApobYr1fpCjeAaacVoh3EYvp3zoodIy:8E6sEgAmYhfpCCAjNBXd7

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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\20AA0A36 = "C:\\Users\\Admin\\AppData\\Roaming\\20AA0A36\\bin.exe"	winver.exe

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	2909051344dd80a33dfd47d1cf60372ba535aa3745ed0df8434681a3e715f32d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe
2036	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2036	winver.exe
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2036	2284	2909051344dd80a33dfd47d1cf60372ba535aa3745ed0df8434681a3e715f32d.exe	31
PID 2284 wrote to memory of 2036	2284	2909051344dd80a33dfd47d1cf60372ba535aa3745ed0df8434681a3e715f32d.exe	31
PID 2284 wrote to memory of 2036	2284	2909051344dd80a33dfd47d1cf60372ba535aa3745ed0df8434681a3e715f32d.exe	31
PID 2284 wrote to memory of 2036	2284	2909051344dd80a33dfd47d1cf60372ba535aa3745ed0df8434681a3e715f32d.exe	31
PID 2284 wrote to memory of 2036	2284	2909051344dd80a33dfd47d1cf60372ba535aa3745ed0df8434681a3e715f32d.exe	31
PID 2036 wrote to memory of 1256	2036	winver.exe	21
PID 2036 wrote to memory of 1124	2036	winver.exe	19
PID 2036 wrote to memory of 1180	2036	winver.exe	20
PID 2036 wrote to memory of 1256	2036	winver.exe	21
PID 2036 wrote to memory of 1740	2036	winver.exe	25
PID 2036 wrote to memory of 2284	2036	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1256
- C:\Users\Admin\AppData\Local\Temp\2909051344dd80a33dfd47d1cf60372ba535aa3745ed0df8434681a3e715f32d.exe
  "C:\Users\Admin\AppData\Local\Temp\2909051344dd80a33dfd47d1cf60372ba535aa3745ed0df8434681a3e715f32d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2284
- - 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:2036

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

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Downloads

memory/1124-15-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1124-28-0x0000000077AB1000-0x0000000077AB2000-memory.dmp

Filesize
4KB

Download
memory/1124-27-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1180-17-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1180-32-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1256-2-0x0000000002710000-0x0000000002716000-memory.dmp

Filesize
24KB

Download
memory/1256-1-0x0000000002710000-0x0000000002716000-memory.dmp

Filesize
24KB

Download
memory/1256-12-0x0000000077AB1000-0x0000000077AB2000-memory.dmp

Filesize
4KB

Download
memory/1256-29-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/1256-5-0x0000000002710000-0x0000000002716000-memory.dmp

Filesize
24KB

Download
memory/1256-20-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/1740-22-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1740-30-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1740-31-0x0000000077AB1000-0x0000000077AB2000-memory.dmp

Filesize
4KB

Download
memory/2036-13-0x0000000077A60000-0x0000000077C09000-memory.dmp

Filesize
1.7MB

Download
memory/2036-7-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2036-8-0x0000000077C60000-0x0000000077C61000-memory.dmp

Filesize
4KB

Download
memory/2036-9-0x0000000077C5F000-0x0000000077C60000-memory.dmp

Filesize
4KB

Download
memory/2036-10-0x0000000077C5F000-0x0000000077C61000-memory.dmp

Filesize
8KB

Download
memory/2036-11-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2036-3-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2284-25-0x0000000000050000-0x0000000000056000-memory.dmp

Filesize
24KB

Download
memory/2284-33-0x0000000000400000-0x000000000079D000-memory.dmp

Filesize
3.6MB

Download
memory/2284-0-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/2284-6-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/2284-34-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download