tinba | e1a08170c2fe0f4b3fefb3ca2c929ed865ff90da718836210a46f1ababb46841

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 11:08

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General

Target

e1a08170c2fe0f4b3fefb3ca2c929ed865ff90da718836210a46f1ababb46841.exe
Size

237KB
MD5

cd14e49b7b78f968e2b44c1b18bcf6a3
SHA1

1b316c78d3a4acc9ca9c5d16d7b82e738032e8f9
SHA256

e1a08170c2fe0f4b3fefb3ca2c929ed865ff90da718836210a46f1ababb46841
SHA512

5f7722db48510a954436bac6f9fccf287cceef0e192c25e995c18c923d8e61f4f5626b702566f3934804e4ddd1a5bc0777eab05ade91ca95103030c1ecf1f269
SSDEEP

6144:XA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYw:XATuTAnKGwUAWVycQqgL

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\3D48C5BB = "C:\\Users\\Admin\\AppData\\Roaming\\3D48C5BB\\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	e1a08170c2fe0f4b3fefb3ca2c929ed865ff90da718836210a46f1ababb46841.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2112	winver.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2112	2776	e1a08170c2fe0f4b3fefb3ca2c929ed865ff90da718836210a46f1ababb46841.exe	30
PID 2776 wrote to memory of 2112	2776	e1a08170c2fe0f4b3fefb3ca2c929ed865ff90da718836210a46f1ababb46841.exe	30
PID 2776 wrote to memory of 2112	2776	e1a08170c2fe0f4b3fefb3ca2c929ed865ff90da718836210a46f1ababb46841.exe	30
PID 2776 wrote to memory of 2112	2776	e1a08170c2fe0f4b3fefb3ca2c929ed865ff90da718836210a46f1ababb46841.exe	30
PID 2776 wrote to memory of 2112	2776	e1a08170c2fe0f4b3fefb3ca2c929ed865ff90da718836210a46f1ababb46841.exe	30
PID 2112 wrote to memory of 1212	2112	winver.exe	21
PID 2112 wrote to memory of 1096	2112	winver.exe	19
PID 2112 wrote to memory of 1164	2112	winver.exe	20
PID 2112 wrote to memory of 1212	2112	winver.exe	21
PID 2112 wrote to memory of 1632	2112	winver.exe	25
PID 2112 wrote to memory of 2776	2112	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1212
- C:\Users\Admin\AppData\Local\Temp\e1a08170c2fe0f4b3fefb3ca2c929ed865ff90da718836210a46f1ababb46841.exe
  "C:\Users\Admin\AppData\Local\Temp\e1a08170c2fe0f4b3fefb3ca2c929ed865ff90da718836210a46f1ababb46841.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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:2112

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1632

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/1096-11-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1096-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1212-6-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1212-28-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1212-17-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1632-20-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1632-26-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/2112-25-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2112-4-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2112-31-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/2776-8-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download