tinba | 217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 05:05

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General

Target

217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe
Size

610KB
MD5

7e7c626c0cd3310357d417b6dcfb37dc
SHA1

9bfab2c6a4e78528020d0a2ded44291bf824d8ff
SHA256

217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f
SHA512

6de2fa4f621a164e4c8d986422fc533442bf1b632a38927a6a0363676ac6bfda959f94e0ded2e1bacf18f283a448c7fdec67d65286ef224a0c93b8c6c23a3633
SSDEEP

12288:iATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:cT+KjUdQqboyyWoK1NGqzuh5

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\4F7DB8B1 = "C:\\Users\\Admin\\AppData\\Roaming\\4F7DB8B1\\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	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe
2132	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2132	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 2132	1388	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe	31
PID 1388 wrote to memory of 2132	1388	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe	31
PID 1388 wrote to memory of 2132	1388	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe	31
PID 1388 wrote to memory of 2132	1388	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe	31
PID 1388 wrote to memory of 2132	1388	217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe	31
PID 2132 wrote to memory of 1188	2132	winver.exe	21
PID 2132 wrote to memory of 1100	2132	winver.exe	19
PID 2132 wrote to memory of 1160	2132	winver.exe	20
PID 2132 wrote to memory of 1188	2132	winver.exe	21
PID 2132 wrote to memory of 1028	2132	winver.exe	25

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⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe
  "C:\Users\Admin\AppData\Local\Temp\217948f502f29fdf931d8c0a8b8abbb0458a57758f8b1e913120e591a9229c9f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1388
- - 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:2132

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1028-20-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/1028-24-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/1100-11-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1100-27-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1160-14-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1160-25-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/1188-17-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1188-26-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/1388-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2132-23-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2132-4-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2132-29-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download