tinba | 236396ec53eb739f05595408c48400d8f910f6021191c3f505f4b52dbc3083a5

General

Target

236396ec53eb739f05595408c48400d8f910f6021191c3f505f4b52dbc3083a5.exe
Size

610KB
MD5

5cea6e4fa27712c7f56c7e3efe4056ba
SHA1

6b110b251f3a9f764b6784dfe48a6603bf495344
SHA256

236396ec53eb739f05595408c48400d8f910f6021191c3f505f4b52dbc3083a5
SHA512

a0e874d550417cd6023ef3b4abfe90f088a89464a7c00708002d73098ea6ce6b4e94d230c3401e175c75030a8647ef17b4cd4838fe97cb1331f4a310a40ba1f9
SSDEEP

12288:CATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:8T+KjUdQqboyyWoK1NGqzuhT

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\B303EE2D = "C:\\Users\\Admin\\AppData\\Roaming\\B303EE2D\\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	236396ec53eb739f05595408c48400d8f910f6021191c3f505f4b52dbc3083a5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3036	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 11 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 3036	2520	236396ec53eb739f05595408c48400d8f910f6021191c3f505f4b52dbc3083a5.exe	31
PID 2520 wrote to memory of 3036	2520	236396ec53eb739f05595408c48400d8f910f6021191c3f505f4b52dbc3083a5.exe	31
PID 2520 wrote to memory of 3036	2520	236396ec53eb739f05595408c48400d8f910f6021191c3f505f4b52dbc3083a5.exe	31
PID 2520 wrote to memory of 3036	2520	236396ec53eb739f05595408c48400d8f910f6021191c3f505f4b52dbc3083a5.exe	31
PID 2520 wrote to memory of 3036	2520	236396ec53eb739f05595408c48400d8f910f6021191c3f505f4b52dbc3083a5.exe	31
PID 3036 wrote to memory of 1188	3036	winver.exe	21
PID 3036 wrote to memory of 1100	3036	winver.exe	19
PID 3036 wrote to memory of 1160	3036	winver.exe	20
PID 3036 wrote to memory of 1188	3036	winver.exe	21
PID 3036 wrote to memory of 1440	3036	winver.exe	23
PID 3036 wrote to memory of 2520	3036	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

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\236396ec53eb739f05595408c48400d8f910f6021191c3f505f4b52dbc3083a5.exe
  "C:\Users\Admin\AppData\Local\Temp\236396ec53eb739f05595408c48400d8f910f6021191c3f505f4b52dbc3083a5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2520
- - 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:3036

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1440

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/1100-26-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1100-9-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1160-12-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1160-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1188-15-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1188-27-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1440-18-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1440-28-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/2520-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3036-23-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/3036-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/3036-31-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads