tinba | 0b75e10094fc334f28ed20212b9cdd30212e1f6d65d6db955675802b13efbd35

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/12/2024, 22:38

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General

Target

0b75e10094fc334f28ed20212b9cdd30212e1f6d65d6db955675802b13efbd35.exe
Size

225KB
MD5

0217d240ce5a56a16ff2ccd1833d21b5
SHA1

7ac60b93c6fd68388000c1518755507d512ad135
SHA256

0b75e10094fc334f28ed20212b9cdd30212e1f6d65d6db955675802b13efbd35
SHA512

e495df7dcbd4bf12634f6fce2b6a6d444d6db91f542679f53af402b2c1658f2f4945bf43eafb9a25b04e2ec7d0204c2331d9973242c1afe46a9c3023d44257ec
SSDEEP

6144:+A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:+ATuTAnKGwUAW3ycQqgN

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\5279BE4A = "C:\\Users\\Admin\\AppData\\Roaming\\5279BE4A\\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	0b75e10094fc334f28ed20212b9cdd30212e1f6d65d6db955675802b13efbd35.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2556	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2556	2756	0b75e10094fc334f28ed20212b9cdd30212e1f6d65d6db955675802b13efbd35.exe	31
PID 2756 wrote to memory of 2556	2756	0b75e10094fc334f28ed20212b9cdd30212e1f6d65d6db955675802b13efbd35.exe	31
PID 2756 wrote to memory of 2556	2756	0b75e10094fc334f28ed20212b9cdd30212e1f6d65d6db955675802b13efbd35.exe	31
PID 2756 wrote to memory of 2556	2756	0b75e10094fc334f28ed20212b9cdd30212e1f6d65d6db955675802b13efbd35.exe	31
PID 2756 wrote to memory of 2556	2756	0b75e10094fc334f28ed20212b9cdd30212e1f6d65d6db955675802b13efbd35.exe	31
PID 2556 wrote to memory of 1148	2556	winver.exe	20
PID 2556 wrote to memory of 1064	2556	winver.exe	17
PID 2556 wrote to memory of 1092	2556	winver.exe	19
PID 2556 wrote to memory of 1148	2556	winver.exe	20
PID 2556 wrote to memory of 1220	2556	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1064

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1148
- C:\Users\Admin\AppData\Local\Temp\0b75e10094fc334f28ed20212b9cdd30212e1f6d65d6db955675802b13efbd35.exe
  "C:\Users\Admin\AppData\Local\Temp\0b75e10094fc334f28ed20212b9cdd30212e1f6d65d6db955675802b13efbd35.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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:2556

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1220

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/1064-24-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1064-11-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1092-14-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1092-26-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1148-6-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1148-17-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1148-1-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1148-3-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1148-25-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1220-20-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1220-27-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/2556-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2556-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2556-29-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2756-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download