tinba | b5e3ab92f10c3fb666c289c9696aaeaf66d5a6f2ea1c9040bea7adbab1cf0bd4

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
07-12-2024 02:03

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General

Target

b5e3ab92f10c3fb666c289c9696aaeaf66d5a6f2ea1c9040bea7adbab1cf0bd4.exe
Size

610KB
MD5

87f253e81dcfb92a1794201e88747ced
SHA1

2dec0071db8ebcaf7793cb395343f4081e5b978b
SHA256

b5e3ab92f10c3fb666c289c9696aaeaf66d5a6f2ea1c9040bea7adbab1cf0bd4
SHA512

e27091113a93a7c56637c0e63bcfb56ee0d2f597f787eb088cd2288f24ff2c620c9615f65ad88bae9379dfe90d20be3befa14201060b6bf9fdbcdd355b26664f
SSDEEP

12288:hATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:DT+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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\672CD002 = "C:\\Users\\Admin\\AppData\\Roaming\\672CD002\\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	b5e3ab92f10c3fb666c289c9696aaeaf66d5a6f2ea1c9040bea7adbab1cf0bd4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe
1804	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1804	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 1804	2180	b5e3ab92f10c3fb666c289c9696aaeaf66d5a6f2ea1c9040bea7adbab1cf0bd4.exe	30
PID 2180 wrote to memory of 1804	2180	b5e3ab92f10c3fb666c289c9696aaeaf66d5a6f2ea1c9040bea7adbab1cf0bd4.exe	30
PID 2180 wrote to memory of 1804	2180	b5e3ab92f10c3fb666c289c9696aaeaf66d5a6f2ea1c9040bea7adbab1cf0bd4.exe	30
PID 2180 wrote to memory of 1804	2180	b5e3ab92f10c3fb666c289c9696aaeaf66d5a6f2ea1c9040bea7adbab1cf0bd4.exe	30
PID 2180 wrote to memory of 1804	2180	b5e3ab92f10c3fb666c289c9696aaeaf66d5a6f2ea1c9040bea7adbab1cf0bd4.exe	30
PID 1804 wrote to memory of 1204	1804	winver.exe	21
PID 1804 wrote to memory of 1108	1804	winver.exe	19
PID 1804 wrote to memory of 1168	1804	winver.exe	20
PID 1804 wrote to memory of 1204	1804	winver.exe	21
PID 1804 wrote to memory of 1496	1804	winver.exe	25
PID 1804 wrote to memory of 2180	1804	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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:1204
- C:\Users\Admin\AppData\Local\Temp\b5e3ab92f10c3fb666c289c9696aaeaf66d5a6f2ea1c9040bea7adbab1cf0bd4.exe
  "C:\Users\Admin\AppData\Local\Temp\b5e3ab92f10c3fb666c289c9696aaeaf66d5a6f2ea1c9040bea7adbab1cf0bd4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2180
- - 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:1804

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1496

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/1108-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1108-9-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1204-15-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1496-19-0x0000000001B90000-0x0000000001B96000-memory.dmp

Filesize
24KB

Download
memory/1496-29-0x0000000001B90000-0x0000000001B96000-memory.dmp

Filesize
24KB

Download
memory/1804-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1804-24-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1804-31-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2180-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download