tinba | c269bec5b482b16af49855494d94a493547cb73fbcee3cbd91a03853ba783422

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 21:16

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General

Target

c269bec5b482b16af49855494d94a493547cb73fbcee3cbd91a03853ba783422.exe
Size

610KB
MD5

f8d9f7c6b5ec94606fd0e3b928c080f6
SHA1

bc4f84775b0ab170fec926381e6b221314aaa760
SHA256

c269bec5b482b16af49855494d94a493547cb73fbcee3cbd91a03853ba783422
SHA512

608b8aa8388ad9ecdefe0db2abc5748fb49b2d6672e3ab88d542f3b21edc24408a7cc15751110516a045f34f8af5707a13e4eb82fe38339599ecb7acf3ba19e9
SSDEEP

12288:xATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:TT+KjUdQqboyyWoK1NGqzuhz

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\CE6B7170 = "C:\\Users\\Admin\\AppData\\Roaming\\CE6B7170\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c269bec5b482b16af49855494d94a493547cb73fbcee3cbd91a03853ba783422.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe
2528	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2528	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 3028 wrote to memory of 2528	3028	c269bec5b482b16af49855494d94a493547cb73fbcee3cbd91a03853ba783422.exe	31
PID 3028 wrote to memory of 2528	3028	c269bec5b482b16af49855494d94a493547cb73fbcee3cbd91a03853ba783422.exe	31
PID 3028 wrote to memory of 2528	3028	c269bec5b482b16af49855494d94a493547cb73fbcee3cbd91a03853ba783422.exe	31
PID 3028 wrote to memory of 2528	3028	c269bec5b482b16af49855494d94a493547cb73fbcee3cbd91a03853ba783422.exe	31
PID 3028 wrote to memory of 2528	3028	c269bec5b482b16af49855494d94a493547cb73fbcee3cbd91a03853ba783422.exe	31
PID 2528 wrote to memory of 1188	2528	winver.exe	21
PID 2528 wrote to memory of 1120	2528	winver.exe	19
PID 2528 wrote to memory of 1160	2528	winver.exe	20
PID 2528 wrote to memory of 1188	2528	winver.exe	21
PID 2528 wrote to memory of 1524	2528	winver.exe	23
PID 2528 wrote to memory of 3028	2528	winver.exe	30

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

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\c269bec5b482b16af49855494d94a493547cb73fbcee3cbd91a03853ba783422.exe
  "C:\Users\Admin\AppData\Local\Temp\c269bec5b482b16af49855494d94a493547cb73fbcee3cbd91a03853ba783422.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3028
- - 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:2528

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1524

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/1120-26-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1120-11-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1160-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1188-17-0x0000000002A50000-0x0000000002A56000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1188-27-0x0000000002A50000-0x0000000002A56000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1524-20-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1524-29-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2528-25-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2528-4-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2528-31-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/3028-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download