tinba | 04a26e843ff53e8694b0a78e2c7d34049759d0c4c851dabb4c04436b01f8d72d

General

Target

04a26e843ff53e8694b0a78e2c7d34049759d0c4c851dabb4c04436b01f8d72dN.exe
Size

610KB
MD5

824841d248bd2a2a3d2b99d17908fa90
SHA1

a43c4e822ce331df2f65cfae7ff95e56d4c2d824
SHA256

04a26e843ff53e8694b0a78e2c7d34049759d0c4c851dabb4c04436b01f8d72d
SHA512

fabfa00b6adebd4fa2aaa899c38d1c7cb59c61b49b76cdbbe37cee22c0b15ea756c3eac9238e4d81c67c16912a1222948d18e3e8110982e5438040e44e35bc6b
SSDEEP

12288:3ATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:9T+KjUdQqboyyWoK1NGqzuhb

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

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\2C780BD6 = "C:\\Users\\Admin\\AppData\\Roaming\\2C780BD6\\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	04a26e843ff53e8694b0a78e2c7d34049759d0c4c851dabb4c04436b01f8d72dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe
2544	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2544	winver.exe
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2544	2628	04a26e843ff53e8694b0a78e2c7d34049759d0c4c851dabb4c04436b01f8d72dN.exe	31
PID 2628 wrote to memory of 2544	2628	04a26e843ff53e8694b0a78e2c7d34049759d0c4c851dabb4c04436b01f8d72dN.exe	31
PID 2628 wrote to memory of 2544	2628	04a26e843ff53e8694b0a78e2c7d34049759d0c4c851dabb4c04436b01f8d72dN.exe	31
PID 2628 wrote to memory of 2544	2628	04a26e843ff53e8694b0a78e2c7d34049759d0c4c851dabb4c04436b01f8d72dN.exe	31
PID 2628 wrote to memory of 2544	2628	04a26e843ff53e8694b0a78e2c7d34049759d0c4c851dabb4c04436b01f8d72dN.exe	31
PID 2544 wrote to memory of 1224	2544	winver.exe	21
PID 2544 wrote to memory of 1092	2544	winver.exe	19
PID 2544 wrote to memory of 1156	2544	winver.exe	20
PID 2544 wrote to memory of 1224	2544	winver.exe	21
PID 2544 wrote to memory of 1704	2544	winver.exe	25
PID 2544 wrote to memory of 2628	2544	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1224
- C:\Users\Admin\AppData\Local\Temp\04a26e843ff53e8694b0a78e2c7d34049759d0c4c851dabb4c04436b01f8d72dN.exe
  "C:\Users\Admin\AppData\Local\Temp\04a26e843ff53e8694b0a78e2c7d34049759d0c4c851dabb4c04436b01f8d72dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2628
- - 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:2544

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1704

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/1092-28-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1092-9-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1156-26-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1156-12-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1224-27-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1224-3-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1224-1-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1224-15-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1224-6-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1704-18-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/1704-29-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/2544-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2544-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2544-31-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2628-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads