tinba | f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777c

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 20:18

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General

Target

f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe
Size

59KB
MD5

b7f3f4e07e09076cdbecfa9113434d40
SHA1

9222a7ae0715bcddf2905a0d9cd98cb737cf2ae9
SHA256

f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777c
SHA512

743419324a7440cd589cf23d9bace67d4884a256fd547e8d007907eef818106a51e8bd4dd65a9780fab449178d3958c62266799ef7835dd759dd34d08e851f7c
SSDEEP

768:U+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jf:U+mFM2HXKZgiFP7xIksu+XM5O9Jf

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\938D9884 = "C:\\Users\\Admin\\AppData\\Roaming\\938D9884\\bin.exe"	winver.exe

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	f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2800	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 10 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2800	3052	f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe	32
PID 3052 wrote to memory of 2800	3052	f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe	32
PID 3052 wrote to memory of 2800	3052	f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe	32
PID 3052 wrote to memory of 2800	3052	f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe	32
PID 3052 wrote to memory of 2800	3052	f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe	32
PID 2800 wrote to memory of 1188	2800	winver.exe	21
PID 2800 wrote to memory of 1120	2800	winver.exe	19
PID 2800 wrote to memory of 1160	2800	winver.exe	20
PID 2800 wrote to memory of 1188	2800	winver.exe	21
PID 2800 wrote to memory of 1524	2800	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: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\f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe
  "C:\Users\Admin\AppData\Local\Temp\f5036b6e5f7edb7051b808f44707bbfa03eb821006da994d688a176cef62777cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3052
- - 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:2800

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1120-25-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1120-28-0x00000000773E1000-0x00000000773E2000-memory.dmp

Filesize
4KB

Download
memory/1120-26-0x00000000773E1000-0x00000000773E2000-memory.dmp

Filesize
4KB

Download
memory/1120-31-0x00000000773E1000-0x00000000773E2000-memory.dmp

Filesize
4KB

Download
memory/1120-35-0x00000000773E1000-0x00000000773E2000-memory.dmp

Filesize
4KB

Download
memory/1120-36-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1160-29-0x00000000773E1000-0x00000000773E2000-memory.dmp

Filesize
4KB

Download
memory/1160-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-39-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1188-22-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1188-9-0x00000000773E1000-0x00000000773E2000-memory.dmp

Filesize
4KB

Download
memory/1188-1-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1524-33-0x00000000773E1000-0x00000000773E2000-memory.dmp

Filesize
4KB

Download
memory/1524-34-0x00000000773E1000-0x00000000773E2000-memory.dmp

Filesize
4KB

Download
memory/1524-37-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1524-24-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1524-32-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2800-10-0x0000000077390000-0x0000000077539000-memory.dmp

Filesize
1.7MB

Download
memory/2800-27-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2800-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2800-6-0x0000000077590000-0x0000000077591000-memory.dmp

Filesize
4KB

Download
memory/2800-7-0x000000007758F000-0x0000000077590000-memory.dmp

Filesize
4KB

Download
memory/2800-8-0x000000007758F000-0x0000000077591000-memory.dmp

Filesize
8KB

Download
memory/2800-41-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/3052-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3052-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3052-12-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/3052-4-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download