tinba | 3a479f20f6779c85ecca6f3cd28bcbb9ee8b60b05d86a30095b3971a4c812782

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-10-2024 20:03

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General

Target

3a479f20f6779c85ecca6f3cd28bcbb9ee8b60b05d86a30095b3971a4c812782.exe
Size

225KB
MD5

424aeed9a08b929d101fd5d71a93ae27
SHA1

1eb61de273c8b7158e1fa6760bcb19ae07e4d4fb
SHA256

3a479f20f6779c85ecca6f3cd28bcbb9ee8b60b05d86a30095b3971a4c812782
SHA512

3e488dcd61950c1127576d2525ab033dc38da2029f44b8bbeb393bc1b9597b3f71b4c1032b68327e940c7ae1fde99a565b961b1b6082010968ac0f93de721c20
SSDEEP

6144:zA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:zATuTAnKGwUAW3ycQqgf

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\9B47C77D = "C:\\Users\\Admin\\AppData\\Roaming\\9B47C77D\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a479f20f6779c85ecca6f3cd28bcbb9ee8b60b05d86a30095b3971a4c812782.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2712	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2712	2024	3a479f20f6779c85ecca6f3cd28bcbb9ee8b60b05d86a30095b3971a4c812782.exe	31
PID 2024 wrote to memory of 2712	2024	3a479f20f6779c85ecca6f3cd28bcbb9ee8b60b05d86a30095b3971a4c812782.exe	31
PID 2024 wrote to memory of 2712	2024	3a479f20f6779c85ecca6f3cd28bcbb9ee8b60b05d86a30095b3971a4c812782.exe	31
PID 2024 wrote to memory of 2712	2024	3a479f20f6779c85ecca6f3cd28bcbb9ee8b60b05d86a30095b3971a4c812782.exe	31
PID 2024 wrote to memory of 2712	2024	3a479f20f6779c85ecca6f3cd28bcbb9ee8b60b05d86a30095b3971a4c812782.exe	31
PID 2712 wrote to memory of 1368	2712	winver.exe	21
PID 2712 wrote to memory of 1204	2712	winver.exe	19
PID 2712 wrote to memory of 1312	2712	winver.exe	20
PID 2712 wrote to memory of 1368	2712	winver.exe	21
PID 2712 wrote to memory of 620	2712	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1204

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1312

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1368
- C:\Users\Admin\AppData\Local\Temp\3a479f20f6779c85ecca6f3cd28bcbb9ee8b60b05d86a30095b3971a4c812782.exe
  "C:\Users\Admin\AppData\Local\Temp\3a479f20f6779c85ecca6f3cd28bcbb9ee8b60b05d86a30095b3971a4c812782.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2024
- - 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:2712

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:620

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

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Downloads

memory/620-25-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/620-20-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1204-24-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1204-11-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1312-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1312-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1368-6-0x0000000002750000-0x0000000002756000-memory.dmp

Filesize
24KB

Download
memory/1368-17-0x0000000002790000-0x0000000002796000-memory.dmp

Filesize
24KB

Download
memory/1368-1-0x0000000002750000-0x0000000002756000-memory.dmp

Filesize
24KB

Download
memory/1368-3-0x0000000002750000-0x0000000002756000-memory.dmp

Filesize
24KB

Download
memory/1368-26-0x0000000002790000-0x0000000002796000-memory.dmp

Filesize
24KB

Download
memory/2024-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2712-23-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2712-4-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2712-29-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download