tinba | 4da4b02629720f67cf10313cc4d23fb1ef11b24ab5c3c5a76fc2bf325bf4b36b

General

Target

4da4b02629720f67cf10313cc4d23fb1ef11b24ab5c3c5a76fc2bf325bf4b36b.exe
Size

225KB
MD5

9a212714e19e68bb7d5daa31d51c798f
SHA1

739c343b57ebbdc73e96a9334277d8f5360e0d3f
SHA256

4da4b02629720f67cf10313cc4d23fb1ef11b24ab5c3c5a76fc2bf325bf4b36b
SHA512

83212341c7195c0d05c62f9e9d3ae68e4f79545e0cbae77322f43e2fa1dfbc065c9915b97f9d1594f0bff4ea7a03f8a484901be6b0541a760c7c9f6f0647ff3e
SSDEEP

6144:wA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:wATuTAnKGwUAW3ycQqgd

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\2270B3ED = "C:\\Users\\Admin\\AppData\\Roaming\\2270B3ED\\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	4da4b02629720f67cf10313cc4d23fb1ef11b24ab5c3c5a76fc2bf325bf4b36b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe
852	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
852	winver.exe
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 852	2528	4da4b02629720f67cf10313cc4d23fb1ef11b24ab5c3c5a76fc2bf325bf4b36b.exe	30
PID 2528 wrote to memory of 852	2528	4da4b02629720f67cf10313cc4d23fb1ef11b24ab5c3c5a76fc2bf325bf4b36b.exe	30
PID 2528 wrote to memory of 852	2528	4da4b02629720f67cf10313cc4d23fb1ef11b24ab5c3c5a76fc2bf325bf4b36b.exe	30
PID 2528 wrote to memory of 852	2528	4da4b02629720f67cf10313cc4d23fb1ef11b24ab5c3c5a76fc2bf325bf4b36b.exe	30
PID 2528 wrote to memory of 852	2528	4da4b02629720f67cf10313cc4d23fb1ef11b24ab5c3c5a76fc2bf325bf4b36b.exe	30
PID 852 wrote to memory of 1188	852	winver.exe	21
PID 852 wrote to memory of 1108	852	winver.exe	19
PID 852 wrote to memory of 1160	852	winver.exe	20
PID 852 wrote to memory of 1188	852	winver.exe	21
PID 852 wrote to memory of 1432	852	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1188
- C:\Users\Admin\AppData\Local\Temp\4da4b02629720f67cf10313cc4d23fb1ef11b24ab5c3c5a76fc2bf325bf4b36b.exe
  "C:\Users\Admin\AppData\Local\Temp\4da4b02629720f67cf10313cc4d23fb1ef11b24ab5c3c5a76fc2bf325bf4b36b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - 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:852

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1432

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/852-29-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/852-4-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/852-23-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1108-11-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1108-24-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1160-14-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1160-26-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1188-17-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/1188-25-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/1432-20-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/1432-27-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/2528-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads