tinba | 3bad8f2eba738d0c2a70b878db3d500b31706afb646d526ed02a2f703d7d8c1c

General

Target

3bad8f2eba738d0c2a70b878db3d500b31706afb646d526ed02a2f703d7d8c1c.exe
Size

225KB
MD5

24df8f7b70c0c5300b36a79d835225df
SHA1

4f228ab18d61584430aa00308a651b04a38edcb7
SHA256

3bad8f2eba738d0c2a70b878db3d500b31706afb646d526ed02a2f703d7d8c1c
SHA512

4046c3f890640ba8832641e7d037a424397941b5357f326df01da4db4003a683adb5da575b9ff9cde0b710a0830d0adaf892b17f32db4a2cf96296895c0d499c
SSDEEP

6144:RA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:RATuTAnKGwUAW3ycQqgt

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\5C027F31 = "C:\\Users\\Admin\\AppData\\Roaming\\5C027F31\\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	3bad8f2eba738d0c2a70b878db3d500b31706afb646d526ed02a2f703d7d8c1c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2760	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2760	1984	3bad8f2eba738d0c2a70b878db3d500b31706afb646d526ed02a2f703d7d8c1c.exe	31
PID 1984 wrote to memory of 2760	1984	3bad8f2eba738d0c2a70b878db3d500b31706afb646d526ed02a2f703d7d8c1c.exe	31
PID 1984 wrote to memory of 2760	1984	3bad8f2eba738d0c2a70b878db3d500b31706afb646d526ed02a2f703d7d8c1c.exe	31
PID 1984 wrote to memory of 2760	1984	3bad8f2eba738d0c2a70b878db3d500b31706afb646d526ed02a2f703d7d8c1c.exe	31
PID 1984 wrote to memory of 2760	1984	3bad8f2eba738d0c2a70b878db3d500b31706afb646d526ed02a2f703d7d8c1c.exe	31
PID 2760 wrote to memory of 1192	2760	winver.exe	21
PID 2760 wrote to memory of 1120	2760	winver.exe	19
PID 2760 wrote to memory of 1168	2760	winver.exe	20
PID 2760 wrote to memory of 1192	2760	winver.exe	21
PID 2760 wrote to memory of 852	2760	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\3bad8f2eba738d0c2a70b878db3d500b31706afb646d526ed02a2f703d7d8c1c.exe
  "C:\Users\Admin\AppData\Local\Temp\3bad8f2eba738d0c2a70b878db3d500b31706afb646d526ed02a2f703d7d8c1c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1984
- - 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:2760

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:852

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/852-20-0x0000000001D20000-0x0000000001D26000-memory.dmp

Filesize
24KB

Download
memory/852-26-0x0000000001D20000-0x0000000001D26000-memory.dmp

Filesize
24KB

Download
memory/1120-27-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/1120-11-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/1168-24-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1192-17-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1192-6-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1192-25-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1984-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2760-23-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2760-4-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2760-29-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads