tinba | 251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0

General

Target

251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe
Size

225KB
MD5

e83dccdb4f99d67cd9b1b2cfb1dd27e0
SHA1

9cb51257f337b1946cfad9eba44e5b99de2eb252
SHA256

251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0
SHA512

7dd72feaa792311b5d6763c2ca6b3f2e97bd859142e6f2dac7b0845bbc488bde9142aa5b9c0c47d9c5f0785ab123838ce30e6bcec6771e6a85677409a39ece8c
SSDEEP

6144:VA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:VATuTAnKGwUAW3ycQqgf

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\59F294F3 = "C:\\Users\\Admin\\AppData\\Roaming\\59F294F3\\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	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2864	winver.exe
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2864	2212	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe	31
PID 2212 wrote to memory of 2864	2212	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe	31
PID 2212 wrote to memory of 2864	2212	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe	31
PID 2212 wrote to memory of 2864	2212	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe	31
PID 2212 wrote to memory of 2864	2212	251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe	31
PID 2864 wrote to memory of 1236	2864	winver.exe	21
PID 2864 wrote to memory of 1116	2864	winver.exe	19
PID 2864 wrote to memory of 1172	2864	winver.exe	20
PID 2864 wrote to memory of 1236	2864	winver.exe	21
PID 2864 wrote to memory of 500	2864	winver.exe	23
PID 2864 wrote to memory of 2212	2864	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1236
- C:\Users\Admin\AppData\Local\Temp\251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe
  "C:\Users\Admin\AppData\Local\Temp\251ee56f0bc6477630ef7f475f0ee2598f024d77708afec31b7a7880b9fb9ce0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2212
- - 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:2864

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/500-18-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/500-29-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1116-9-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1172-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-12-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1236-1-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1236-15-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1236-6-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1236-27-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/2212-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2864-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2864-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2864-31-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads