tinba | 7c17792f4931d29deb3bdb9f7e2900eed71934d181704941bb4661765fae0ee0

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 23:29

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General

Target

7c17792f4931d29deb3bdb9f7e2900eed71934d181704941bb4661765fae0ee0.exe
Size

237KB
MD5

54e08c48307cf209dac51c3d9928513f
SHA1

a1edbcf9b87d735529498922f03ff76d6a78864b
SHA256

7c17792f4931d29deb3bdb9f7e2900eed71934d181704941bb4661765fae0ee0
SHA512

8c6deb29c0c6a17954afb95861d3365ba1f19a3d5592d504fbe44efb5656ed23ba952f7312140a793c543f6b10e48f4b8881b6887d8890f8fc8c3493cd8eec2f
SSDEEP

6144:GA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:GATuTAnKGwUAWVycQqgj

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\DB18CF00 = "C:\\Users\\Admin\\AppData\\Roaming\\DB18CF00\\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	7c17792f4931d29deb3bdb9f7e2900eed71934d181704941bb4661765fae0ee0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2844	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2844	2548	7c17792f4931d29deb3bdb9f7e2900eed71934d181704941bb4661765fae0ee0.exe	29
PID 2548 wrote to memory of 2844	2548	7c17792f4931d29deb3bdb9f7e2900eed71934d181704941bb4661765fae0ee0.exe	29
PID 2548 wrote to memory of 2844	2548	7c17792f4931d29deb3bdb9f7e2900eed71934d181704941bb4661765fae0ee0.exe	29
PID 2548 wrote to memory of 2844	2548	7c17792f4931d29deb3bdb9f7e2900eed71934d181704941bb4661765fae0ee0.exe	29
PID 2548 wrote to memory of 2844	2548	7c17792f4931d29deb3bdb9f7e2900eed71934d181704941bb4661765fae0ee0.exe	29
PID 2844 wrote to memory of 1212	2844	winver.exe	20
PID 2844 wrote to memory of 1120	2844	winver.exe	18
PID 2844 wrote to memory of 1176	2844	winver.exe	19
PID 2844 wrote to memory of 1212	2844	winver.exe	20
PID 2844 wrote to memory of 1244	2844	winver.exe	24
PID 2844 wrote to memory of 2548	2844	winver.exe	28

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\7c17792f4931d29deb3bdb9f7e2900eed71934d181704941bb4661765fae0ee0.exe
  "C:\Users\Admin\AppData\Local\Temp\7c17792f4931d29deb3bdb9f7e2900eed71934d181704941bb4661765fae0ee0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - 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:2844

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1244

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/1120-26-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1120-9-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-12-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-6-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1212-27-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1212-15-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1244-18-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1244-29-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/2548-25-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2844-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2844-4-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2844-31-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download