tinba | 3d3964dca1a76a667fafb11a6d439ca93d31d5350b41a2005cb934a68230caf3

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-10-2024 09:59

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General

Target

3d3964dca1a76a667fafb11a6d439ca93d31d5350b41a2005cb934a68230caf3N.exe
Size

610KB
MD5

9ce0856260f5ba66049736bb88e37b90
SHA1

b6f2615a3ae1b5caa1c58b0259981abf3df654a1
SHA256

3d3964dca1a76a667fafb11a6d439ca93d31d5350b41a2005cb934a68230caf3
SHA512

09266c45a22cf5370948e20648c7e8b4660c9930592ca5026b3b34b33d940590d89ae8bb175536b4393b0ca0c8a4a0784c61c044cbf3e725d6e0d5b63b531949
SSDEEP

12288:DATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:hT+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

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\1BB1B551 = "C:\\Users\\Admin\\AppData\\Roaming\\1BB1B551\\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	3d3964dca1a76a667fafb11a6d439ca93d31d5350b41a2005cb934a68230caf3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3016	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 3016	2524	3d3964dca1a76a667fafb11a6d439ca93d31d5350b41a2005cb934a68230caf3N.exe	30
PID 2524 wrote to memory of 3016	2524	3d3964dca1a76a667fafb11a6d439ca93d31d5350b41a2005cb934a68230caf3N.exe	30
PID 2524 wrote to memory of 3016	2524	3d3964dca1a76a667fafb11a6d439ca93d31d5350b41a2005cb934a68230caf3N.exe	30
PID 2524 wrote to memory of 3016	2524	3d3964dca1a76a667fafb11a6d439ca93d31d5350b41a2005cb934a68230caf3N.exe	30
PID 2524 wrote to memory of 3016	2524	3d3964dca1a76a667fafb11a6d439ca93d31d5350b41a2005cb934a68230caf3N.exe	30
PID 3016 wrote to memory of 1212	3016	winver.exe	21
PID 3016 wrote to memory of 1124	3016	winver.exe	19
PID 3016 wrote to memory of 1180	3016	winver.exe	20
PID 3016 wrote to memory of 1212	3016	winver.exe	21
PID 3016 wrote to memory of 1584	3016	winver.exe	25
PID 3016 wrote to memory of 2524	3016	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\3d3964dca1a76a667fafb11a6d439ca93d31d5350b41a2005cb934a68230caf3N.exe
  "C:\Users\Admin\AppData\Local\Temp\3d3964dca1a76a667fafb11a6d439ca93d31d5350b41a2005cb934a68230caf3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2524
- - 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:3016

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1584

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/1124-27-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1124-11-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1180-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1180-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1212-17-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1212-28-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1212-6-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1584-20-0x0000000001D40000-0x0000000001D46000-memory.dmp

Filesize
24KB

Download
memory/1584-29-0x0000000001D40000-0x0000000001D46000-memory.dmp

Filesize
24KB

Download
memory/2524-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3016-4-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/3016-31-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download