tinba | 3fba7257b582f47b76804b5eb01cd2af0679afaa48779c3a790ec254dcd15a6c

General

Target

3fba7257b582f47b76804b5eb01cd2af0679afaa48779c3a790ec254dcd15a6cN.exe
Size

225KB
MD5

b1be0d2ca5a4715fbc6cb6ee586dec50
SHA1

506182417d6fb72041aeb465ee72293fe4ea44dc
SHA256

3fba7257b582f47b76804b5eb01cd2af0679afaa48779c3a790ec254dcd15a6c
SHA512

6ac4bba5c27a7aebcf906dc2572f4bf0cf62d5122745b17250081a95010b5907c71c5a1c93e2315b2bdecc090fb97dd1d5f30af052e99c1f74824be9ceff6b65
SSDEEP

6144:5A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:5ATuTAnKGwUAW3ycQqgf

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\EF81E4B0 = "C:\\Users\\Admin\\AppData\\Roaming\\EF81E4B0\\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	3fba7257b582f47b76804b5eb01cd2af0679afaa48779c3a790ec254dcd15a6cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe
2264	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2264	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2264	2700	3fba7257b582f47b76804b5eb01cd2af0679afaa48779c3a790ec254dcd15a6cN.exe	31
PID 2700 wrote to memory of 2264	2700	3fba7257b582f47b76804b5eb01cd2af0679afaa48779c3a790ec254dcd15a6cN.exe	31
PID 2700 wrote to memory of 2264	2700	3fba7257b582f47b76804b5eb01cd2af0679afaa48779c3a790ec254dcd15a6cN.exe	31
PID 2700 wrote to memory of 2264	2700	3fba7257b582f47b76804b5eb01cd2af0679afaa48779c3a790ec254dcd15a6cN.exe	31
PID 2700 wrote to memory of 2264	2700	3fba7257b582f47b76804b5eb01cd2af0679afaa48779c3a790ec254dcd15a6cN.exe	31
PID 2264 wrote to memory of 1200	2264	winver.exe	21
PID 2264 wrote to memory of 1084	2264	winver.exe	18
PID 2264 wrote to memory of 1148	2264	winver.exe	19
PID 2264 wrote to memory of 1200	2264	winver.exe	21
PID 2264 wrote to memory of 1368	2264	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1148

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\3fba7257b582f47b76804b5eb01cd2af0679afaa48779c3a790ec254dcd15a6cN.exe
  "C:\Users\Admin\AppData\Local\Temp\3fba7257b582f47b76804b5eb01cd2af0679afaa48779c3a790ec254dcd15a6cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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:2264

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1368

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1084-27-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1084-11-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1148-14-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1148-24-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1200-17-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1200-25-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1200-6-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1368-20-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/1368-26-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/2264-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2264-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2264-29-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2700-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads