tinba | 3d3dd112da8447933ec6b20ab1dec504e67e9103c1d5ba48848ea8c11a1a4986

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 20:34

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General

Target

3d3dd112da8447933ec6b20ab1dec504e67e9103c1d5ba48848ea8c11a1a4986.exe
Size

610KB
MD5

1f3afb3e3c5aa49d9e7bd4d159c4c04e
SHA1

08d0fd63cf4c1a3c095e252ce15cf7251c509a1d
SHA256

3d3dd112da8447933ec6b20ab1dec504e67e9103c1d5ba48848ea8c11a1a4986
SHA512

638ed37827ea1e1862a12d120c3e07d7c09c44d8c49d330a417b0768d0c07c1ce9a7715d3183f8d18db63094b9629cb761a27001dd468865ed2db21edb921981
SSDEEP

12288:NATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:3T+KjUdQqboyyWoK1NGqzuhz

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\A2DE314D = "C:\\Users\\Admin\\AppData\\Roaming\\A2DE314D\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3d3dd112da8447933ec6b20ab1dec504e67e9103c1d5ba48848ea8c11a1a4986.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2684	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 2684	548	3d3dd112da8447933ec6b20ab1dec504e67e9103c1d5ba48848ea8c11a1a4986.exe	31
PID 548 wrote to memory of 2684	548	3d3dd112da8447933ec6b20ab1dec504e67e9103c1d5ba48848ea8c11a1a4986.exe	31
PID 548 wrote to memory of 2684	548	3d3dd112da8447933ec6b20ab1dec504e67e9103c1d5ba48848ea8c11a1a4986.exe	31
PID 548 wrote to memory of 2684	548	3d3dd112da8447933ec6b20ab1dec504e67e9103c1d5ba48848ea8c11a1a4986.exe	31
PID 548 wrote to memory of 2684	548	3d3dd112da8447933ec6b20ab1dec504e67e9103c1d5ba48848ea8c11a1a4986.exe	31
PID 2684 wrote to memory of 1212	2684	winver.exe	21
PID 2684 wrote to memory of 1120	2684	winver.exe	19
PID 2684 wrote to memory of 1168	2684	winver.exe	20
PID 2684 wrote to memory of 1212	2684	winver.exe	21
PID 2684 wrote to memory of 1540	2684	winver.exe	23
PID 2684 wrote to memory of 548	2684	winver.exe	30

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\3d3dd112da8447933ec6b20ab1dec504e67e9103c1d5ba48848ea8c11a1a4986.exe
  "C:\Users\Admin\AppData\Local\Temp\3d3dd112da8447933ec6b20ab1dec504e67e9103c1d5ba48848ea8c11a1a4986.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:548
- - 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:2684

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1540

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/548-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1120-26-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1120-9-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1168-12-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1212-15-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/1212-27-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1540-18-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1540-29-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2684-23-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2684-4-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2684-31-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download