tinba | 8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 00:18

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General

Target

8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe
Size

610KB
MD5

67407dfb3e0757544c9107c62bf74cac
SHA1

103a3db73dd37cdc2037caee7f9404d53bf9c56d
SHA256

8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b
SHA512

19d3c4116c9f427c118ebe8d31185fe9eedf593193fbc476aaad9d2e38bb85745ed637cd326f975622d07c2b2bc39aa65d9739a44dac9e058c30ee8a67d12f2d
SSDEEP

12288:LATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:JT+KjUdQqboyyWoK1NGqzuhb

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\8664C72A = "C:\\Users\\Admin\\AppData\\Roaming\\8664C72A\\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	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2972	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 2972	1372	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe	31
PID 1372 wrote to memory of 2972	1372	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe	31
PID 1372 wrote to memory of 2972	1372	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe	31
PID 1372 wrote to memory of 2972	1372	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe	31
PID 1372 wrote to memory of 2972	1372	8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe	31
PID 2972 wrote to memory of 1176	2972	winver.exe	21
PID 2972 wrote to memory of 1072	2972	winver.exe	17
PID 2972 wrote to memory of 1092	2972	winver.exe	19
PID 2972 wrote to memory of 1176	2972	winver.exe	21
PID 2972 wrote to memory of 1824	2972	winver.exe	25
PID 2972 wrote to memory of 1372	2972	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Users\Admin\AppData\Local\Temp\8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe
  "C:\Users\Admin\AppData\Local\Temp\8c5563edb87de621899d889a20e5c8ed1399699a7527572614f5986b2977d19b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1372
- - 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:2972

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1824

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/1072-29-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

Filesize
24KB

Download
memory/1072-9-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

Filesize
24KB

Download
memory/1092-12-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1092-28-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1176-15-0x0000000002830000-0x0000000002836000-memory.dmp

Filesize
24KB

Download
memory/1176-6-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/1176-1-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/1176-3-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/1176-27-0x0000000002830000-0x0000000002836000-memory.dmp

Filesize
24KB

Download
memory/1372-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1824-18-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1824-26-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/2972-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2972-23-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2972-31-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download