tinba | b9ae1c8727c414d7e9cdaf5d079d9c4d51c42bc973d1cbe6e74904181c00e9ad

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
18-12-2024 19:19

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General

Target

b9ae1c8727c414d7e9cdaf5d079d9c4d51c42bc973d1cbe6e74904181c00e9ad.exe
Size

610KB
MD5

46411f2042a90f7e6e8cc2cbad866c38
SHA1

39aa67604573050d89de3bb24e146bda7194236d
SHA256

b9ae1c8727c414d7e9cdaf5d079d9c4d51c42bc973d1cbe6e74904181c00e9ad
SHA512

cefcd04e7c7b25945b6bef583449b89588f5eaa72c2cbecca1fdd1b5e1388659d9004bbfd55b0d86740fd0ef32f55e5c2cb670b7708f543f07f94bf10f084494
SSDEEP

12288:SATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:MT+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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\964E9B0C = "C:\\Users\\Admin\\AppData\\Roaming\\964E9B0C\\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	b9ae1c8727c414d7e9cdaf5d079d9c4d51c42bc973d1cbe6e74904181c00e9ad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe
1328	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1328	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 1328	2092	b9ae1c8727c414d7e9cdaf5d079d9c4d51c42bc973d1cbe6e74904181c00e9ad.exe	30
PID 2092 wrote to memory of 1328	2092	b9ae1c8727c414d7e9cdaf5d079d9c4d51c42bc973d1cbe6e74904181c00e9ad.exe	30
PID 2092 wrote to memory of 1328	2092	b9ae1c8727c414d7e9cdaf5d079d9c4d51c42bc973d1cbe6e74904181c00e9ad.exe	30
PID 2092 wrote to memory of 1328	2092	b9ae1c8727c414d7e9cdaf5d079d9c4d51c42bc973d1cbe6e74904181c00e9ad.exe	30
PID 2092 wrote to memory of 1328	2092	b9ae1c8727c414d7e9cdaf5d079d9c4d51c42bc973d1cbe6e74904181c00e9ad.exe	30
PID 1328 wrote to memory of 1184	1328	winver.exe	21
PID 1328 wrote to memory of 1108	1328	winver.exe	19
PID 1328 wrote to memory of 1156	1328	winver.exe	20
PID 1328 wrote to memory of 1184	1328	winver.exe	21
PID 1328 wrote to memory of 2032	1328	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\b9ae1c8727c414d7e9cdaf5d079d9c4d51c42bc973d1cbe6e74904181c00e9ad.exe
  "C:\Users\Admin\AppData\Local\Temp\b9ae1c8727c414d7e9cdaf5d079d9c4d51c42bc973d1cbe6e74904181c00e9ad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2092
- - 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:1328

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/1108-24-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1108-11-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1156-14-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1156-26-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002F60000-0x0000000002F66000-memory.dmp

Filesize
24KB

Download
memory/1184-17-0x0000000003050000-0x0000000003056000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002F60000-0x0000000002F66000-memory.dmp

Filesize
24KB

Download
memory/1184-25-0x0000000003050000-0x0000000003056000-memory.dmp

Filesize
24KB

Download
memory/1184-6-0x0000000002F60000-0x0000000002F66000-memory.dmp

Filesize
24KB

Download
memory/1328-23-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1328-4-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1328-29-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2032-20-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/2032-27-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/2092-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download