tinba | 9e8aa9f76a2667c1500da920ded6b5301f69a15c140f5fc9141956c28fa3c361

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 18:08

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General

Target

9e8aa9f76a2667c1500da920ded6b5301f69a15c140f5fc9141956c28fa3c361.exe
Size

225KB
MD5

1a62ecbb247d859e56c77fcc00e3db97
SHA1

9ba6c7c42148e80cb21b49166a12ba15098234b4
SHA256

9e8aa9f76a2667c1500da920ded6b5301f69a15c140f5fc9141956c28fa3c361
SHA512

e358d89eaf732c0b7a1d24736ff7352348f87a2e5de126b60b205948c04d884dee88fb9fbcdf49fa79588250bef79d4281f91f60c1faf02b9ac3b33a419415fc
SSDEEP

6144:vA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:vATuTAnKGwUAW3ycQqgF

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\E48A189C = "C:\\Users\\Admin\\AppData\\Roaming\\E48A189C\\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	9e8aa9f76a2667c1500da920ded6b5301f69a15c140f5fc9141956c28fa3c361.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2580	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 2580	628	9e8aa9f76a2667c1500da920ded6b5301f69a15c140f5fc9141956c28fa3c361.exe	31
PID 628 wrote to memory of 2580	628	9e8aa9f76a2667c1500da920ded6b5301f69a15c140f5fc9141956c28fa3c361.exe	31
PID 628 wrote to memory of 2580	628	9e8aa9f76a2667c1500da920ded6b5301f69a15c140f5fc9141956c28fa3c361.exe	31
PID 628 wrote to memory of 2580	628	9e8aa9f76a2667c1500da920ded6b5301f69a15c140f5fc9141956c28fa3c361.exe	31
PID 628 wrote to memory of 2580	628	9e8aa9f76a2667c1500da920ded6b5301f69a15c140f5fc9141956c28fa3c361.exe	31
PID 2580 wrote to memory of 1136	2580	winver.exe	20
PID 2580 wrote to memory of 1052	2580	winver.exe	17
PID 2580 wrote to memory of 1084	2580	winver.exe	19
PID 2580 wrote to memory of 1136	2580	winver.exe	20
PID 2580 wrote to memory of 764	2580	winver.exe	25
PID 2580 wrote to memory of 628	2580	winver.exe	30

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1052

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1136
- C:\Users\Admin\AppData\Local\Temp\9e8aa9f76a2667c1500da920ded6b5301f69a15c140f5fc9141956c28fa3c361.exe
  "C:\Users\Admin\AppData\Local\Temp\9e8aa9f76a2667c1500da920ded6b5301f69a15c140f5fc9141956c28fa3c361.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:628
- - 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:2580

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:764

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 Information Discovery

T1082

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/628-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/764-18-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/764-26-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1052-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1052-9-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1084-27-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1084-12-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1136-15-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1136-1-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1136-28-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1136-6-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1136-3-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/2580-23-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2580-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2580-31-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download