tinba | 4db594f41818fa78fc5f41ba70ca2360bab47174baf74a3469c5253adf5caec2

General

Target

4db594f41818fa78fc5f41ba70ca2360bab47174baf74a3469c5253adf5caec2.exe
Size

225KB
MD5

216702ad44c97b9e9f73372439e32c9e
SHA1

103d8d6b85ac8e7d241c0dab5ab278bbf45a77ce
SHA256

4db594f41818fa78fc5f41ba70ca2360bab47174baf74a3469c5253adf5caec2
SHA512

4b7f00d28cb0e7fdeba5923bcbb29ece96bb760c9a44274a02d9447b5adc3ed5bd38b84d06a34b8ee77443296771c2bd7d7ca7fb0b6e472cb2f51fb5de5a2a85
SSDEEP

6144:gA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:gATuTAnKGwUAW3ycQqgv

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\A5F6C7C2 = "C:\\Users\\Admin\\AppData\\Roaming\\A5F6C7C2\\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	4db594f41818fa78fc5f41ba70ca2360bab47174baf74a3469c5253adf5caec2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2772	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 2772	372	4db594f41818fa78fc5f41ba70ca2360bab47174baf74a3469c5253adf5caec2.exe	31
PID 372 wrote to memory of 2772	372	4db594f41818fa78fc5f41ba70ca2360bab47174baf74a3469c5253adf5caec2.exe	31
PID 372 wrote to memory of 2772	372	4db594f41818fa78fc5f41ba70ca2360bab47174baf74a3469c5253adf5caec2.exe	31
PID 372 wrote to memory of 2772	372	4db594f41818fa78fc5f41ba70ca2360bab47174baf74a3469c5253adf5caec2.exe	31
PID 372 wrote to memory of 2772	372	4db594f41818fa78fc5f41ba70ca2360bab47174baf74a3469c5253adf5caec2.exe	31
PID 2772 wrote to memory of 1192	2772	winver.exe	21
PID 2772 wrote to memory of 1112	2772	winver.exe	19
PID 2772 wrote to memory of 1164	2772	winver.exe	20
PID 2772 wrote to memory of 1192	2772	winver.exe	21
PID 2772 wrote to memory of 1868	2772	winver.exe	25
PID 2772 wrote to memory of 372	2772	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\4db594f41818fa78fc5f41ba70ca2360bab47174baf74a3469c5253adf5caec2.exe
  "C:\Users\Admin\AppData\Local\Temp\4db594f41818fa78fc5f41ba70ca2360bab47174baf74a3469c5253adf5caec2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:372
- - 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:2772

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1868

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/372-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1112-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1112-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1164-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-6-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1192-15-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1192-27-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1868-18-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1868-29-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/2772-23-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2772-4-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2772-31-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads