tinba | 622df0bc91f09ea1fd8fd53cee447d1c3ce62af06e9ed94560f273c724bcdeea

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 22:32

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General

Target

622df0bc91f09ea1fd8fd53cee447d1c3ce62af06e9ed94560f273c724bcdeea.exe
Size

237KB
MD5

b5b5731e5212c623c3ac2e5cef443d73
SHA1

0c4ecdc47fc96acfc509d2f9366baf5d3b92a54f
SHA256

622df0bc91f09ea1fd8fd53cee447d1c3ce62af06e9ed94560f273c724bcdeea
SHA512

1b87647bd5d0495722a4c56171a727d39a8a542199e825c1fe023d55ff762f3796fbef1981eaad3703bc8a650e957cf89b6680950591a6fa56a40f55b7e20be5
SSDEEP

6144:PA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYw:PATuTAnKGwUAWVycQqgr

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\D695CC33 = "C:\\Users\\Admin\\AppData\\Roaming\\D695CC33\\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	622df0bc91f09ea1fd8fd53cee447d1c3ce62af06e9ed94560f273c724bcdeea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2760	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2760	2068	622df0bc91f09ea1fd8fd53cee447d1c3ce62af06e9ed94560f273c724bcdeea.exe	31
PID 2068 wrote to memory of 2760	2068	622df0bc91f09ea1fd8fd53cee447d1c3ce62af06e9ed94560f273c724bcdeea.exe	31
PID 2068 wrote to memory of 2760	2068	622df0bc91f09ea1fd8fd53cee447d1c3ce62af06e9ed94560f273c724bcdeea.exe	31
PID 2068 wrote to memory of 2760	2068	622df0bc91f09ea1fd8fd53cee447d1c3ce62af06e9ed94560f273c724bcdeea.exe	31
PID 2068 wrote to memory of 2760	2068	622df0bc91f09ea1fd8fd53cee447d1c3ce62af06e9ed94560f273c724bcdeea.exe	31
PID 2760 wrote to memory of 1192	2760	winver.exe	21
PID 2760 wrote to memory of 1084	2760	winver.exe	18
PID 2760 wrote to memory of 1156	2760	winver.exe	20
PID 2760 wrote to memory of 1192	2760	winver.exe	21
PID 2760 wrote to memory of 844	2760	winver.exe	23
PID 2760 wrote to memory of 2068	2760	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\622df0bc91f09ea1fd8fd53cee447d1c3ce62af06e9ed94560f273c724bcdeea.exe
  "C:\Users\Admin\AppData\Local\Temp\622df0bc91f09ea1fd8fd53cee447d1c3ce62af06e9ed94560f273c724bcdeea.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2068
- - 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:2760

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:844

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/844-26-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Filesize
24KB

Download
memory/844-18-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Filesize
24KB

Download
memory/1084-28-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1084-9-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1156-12-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1156-29-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1192-15-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1192-6-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1192-27-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/2068-25-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2760-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2760-4-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2760-31-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download