tinba | 3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1b

General

Target

3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe
Size

610KB
MD5

a7118906383a4d99247b2c4e0280f3e0
SHA1

14ee7d994672149d377e238ddd0d07597e249416
SHA256

3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1b
SHA512

b041740132f99c1d18029202896ceb4a7833b01fd9f325d82d202bc16f6f21f4e39747c167c1e20e13015967f5f241130e805310c20c42f17dda1540f39e97ef
SSDEEP

12288:OATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:gT+KjUdQqboyyWoK1NGqzuhx

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\13CC36D0 = "C:\\Users\\Admin\\AppData\\Roaming\\13CC36D0\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2820	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2820	2584	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe	31
PID 2584 wrote to memory of 2820	2584	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe	31
PID 2584 wrote to memory of 2820	2584	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe	31
PID 2584 wrote to memory of 2820	2584	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe	31
PID 2584 wrote to memory of 2820	2584	3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe	31
PID 2820 wrote to memory of 1284	2820	winver.exe	21
PID 2820 wrote to memory of 1116	2820	winver.exe	19
PID 2820 wrote to memory of 1188	2820	winver.exe	20
PID 2820 wrote to memory of 1284	2820	winver.exe	21
PID 2820 wrote to memory of 916	2820	winver.exe	25
PID 2820 wrote to memory of 2584	2820	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1188

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1284
- C:\Users\Admin\AppData\Local\Temp\3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe
  "C:\Users\Admin\AppData\Local\Temp\3a75fdf4ebd7ef4b435f79a2865353112b63ffee4e747878c751d40fe26b5d1bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2584
- - 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:2820

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/916-27-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/916-18-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1116-29-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1116-9-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1188-12-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1188-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1284-15-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1284-1-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1284-3-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1284-26-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1284-6-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/2584-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2820-23-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2820-31-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads