tinba | e39848988f1b3ca140b5fe5dc37b9b5c988162a3231efe7820b4104124bff717

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
11-12-2024 04:48

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General

Target

e39848988f1b3ca140b5fe5dc37b9b5c988162a3231efe7820b4104124bff717.exe
Size

610KB
MD5

492d5495d6b9b56b3e715bb469153efc
SHA1

ff815804fe9345147ecaeb7c968c8322c4595c04
SHA256

e39848988f1b3ca140b5fe5dc37b9b5c988162a3231efe7820b4104124bff717
SHA512

834bd4557eda05b198fb951df5d39d1013d4dcd388ec484b893f671b4bc5543542c9c5daede2f4330d79e3548b45288c5c2610c56d188f9421bb38f89a8592c9
SSDEEP

12288:TATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:xT+KjUdQqboyyWoK1NGqzuhb

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\1BFD397A = "C:\\Users\\Admin\\AppData\\Roaming\\1BFD397A\\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	e39848988f1b3ca140b5fe5dc37b9b5c988162a3231efe7820b4104124bff717.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2440	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 2440	1660	e39848988f1b3ca140b5fe5dc37b9b5c988162a3231efe7820b4104124bff717.exe	29
PID 1660 wrote to memory of 2440	1660	e39848988f1b3ca140b5fe5dc37b9b5c988162a3231efe7820b4104124bff717.exe	29
PID 1660 wrote to memory of 2440	1660	e39848988f1b3ca140b5fe5dc37b9b5c988162a3231efe7820b4104124bff717.exe	29
PID 1660 wrote to memory of 2440	1660	e39848988f1b3ca140b5fe5dc37b9b5c988162a3231efe7820b4104124bff717.exe	29
PID 1660 wrote to memory of 2440	1660	e39848988f1b3ca140b5fe5dc37b9b5c988162a3231efe7820b4104124bff717.exe	29
PID 2440 wrote to memory of 1200	2440	winver.exe	21
PID 2440 wrote to memory of 1116	2440	winver.exe	19
PID 2440 wrote to memory of 1168	2440	winver.exe	20
PID 2440 wrote to memory of 1200	2440	winver.exe	21
PID 2440 wrote to memory of 2032	2440	winver.exe	23

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\e39848988f1b3ca140b5fe5dc37b9b5c988162a3231efe7820b4104124bff717.exe
  "C:\Users\Admin\AppData\Local\Temp\e39848988f1b3ca140b5fe5dc37b9b5c988162a3231efe7820b4104124bff717.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1660
- - 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:2440

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2032

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/1116-24-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1116-11-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1168-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1200-17-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1200-26-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1200-6-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1660-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2032-20-0x00000000022A0000-0x00000000022A6000-memory.dmp

Filesize
24KB

Download
memory/2032-27-0x00000000022A0000-0x00000000022A6000-memory.dmp

Filesize
24KB

Download
memory/2440-23-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2440-4-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2440-29-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download