tinba | a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 20:34

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General

Target

a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe
Size

59KB
MD5

ce3196c013b989ba39bd7b529f551d00
SHA1

7623bb71443a4bea4bb95ca35bdcc1f7562c9415
SHA256

a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5
SHA512

57b84f2690ffa77a2bb3e4b10d6595bb465e039e895c47232e073041f37f5379e8450eb6d2df47fa657e4e04731be9107eb15e1ea5e278636f9a476885c6b6ce
SSDEEP

768:1+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:1+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\A85D1757 = "C:\\Users\\Admin\\AppData\\Roaming\\A85D1757\\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	a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2072	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2072	2340	a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe	31
PID 2340 wrote to memory of 2072	2340	a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe	31
PID 2340 wrote to memory of 2072	2340	a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe	31
PID 2340 wrote to memory of 2072	2340	a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe	31
PID 2340 wrote to memory of 2072	2340	a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe	31
PID 2072 wrote to memory of 1184	2072	winver.exe	21
PID 2072 wrote to memory of 1052	2072	winver.exe	17
PID 2072 wrote to memory of 1104	2072	winver.exe	19
PID 2072 wrote to memory of 1184	2072	winver.exe	21
PID 2072 wrote to memory of 884	2072	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe
  "C:\Users\Admin\AppData\Local\Temp\a6a5916d0ac568cc629b3ce457bd7ef82ff76243e9b3d65360d5acf19ba4faa5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - 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:2072

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:884

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/884-29-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/884-28-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/884-23-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/1052-26-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1104-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1104-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1104-25-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1184-1-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1184-9-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1184-21-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1184-27-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/2072-10-0x0000000076DF0000-0x0000000076F99000-memory.dmp

Filesize
1.7MB

Download
memory/2072-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2072-6-0x0000000076FF0000-0x0000000076FF1000-memory.dmp

Filesize
4KB

Download
memory/2072-7-0x0000000076FEF000-0x0000000076FF0000-memory.dmp

Filesize
4KB

Download
memory/2072-8-0x0000000076FEF000-0x0000000076FF1000-memory.dmp

Filesize
8KB

Download
memory/2072-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2340-12-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/2340-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2340-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2340-4-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download