tinba | 923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42a

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/12/2024, 09:32

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General

Target

923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42aN.exe
Size

425KB
MD5

3074d165017729f105c3939d77e80720
SHA1

3bfac30a28e92bc131755eb65adfbe1cff6999e3
SHA256

923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42a
SHA512

917205820748e29517410b030f539928c0b395f555b7ae175cf6a73faea2f10656b021da86d1e0e3e4474076eca6a64b950998eba548e74a6ea292efac862c41
SSDEEP

6144:bCE6/mUXJ531nIUliViSZbLhaZfvMlLXICg2vj7OyzK:F6TOUMBQf0ljW2vj7OyzK

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\98375B6E = "C:\\Users\\Admin\\AppData\\Roaming\\98375B6E\\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	923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2124	winver.exe
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
840	923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42aN.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 2124	840	923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42aN.exe	31
PID 840 wrote to memory of 2124	840	923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42aN.exe	31
PID 840 wrote to memory of 2124	840	923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42aN.exe	31
PID 840 wrote to memory of 2124	840	923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42aN.exe	31
PID 840 wrote to memory of 2124	840	923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42aN.exe	31
PID 2124 wrote to memory of 1164	2124	winver.exe	21
PID 2124 wrote to memory of 1048	2124	winver.exe	18
PID 2124 wrote to memory of 1124	2124	winver.exe	20
PID 2124 wrote to memory of 1164	2124	winver.exe	21
PID 2124 wrote to memory of 1948	2124	winver.exe	23
PID 2124 wrote to memory of 840	2124	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1124

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1164
- C:\Users\Admin\AppData\Local\Temp\923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42aN.exe
  "C:\Users\Admin\AppData\Local\Temp\923f59b445c897c7f567906d9489a5f76987d898d4e70afd33bc026d60c0d42aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:840
- - 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:2124

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1948

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/840-8-0x0000000001FF0000-0x00000000029F0000-memory.dmp

Filesize
10.0MB

Download
memory/840-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/840-2-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/840-33-0x0000000001FF0000-0x00000000029F0000-memory.dmp

Filesize
10.0MB

Download
memory/840-0-0x0000000000410000-0x0000000000413000-memory.dmp

Filesize
12KB

Download
memory/1048-30-0x0000000002010000-0x0000000002017000-memory.dmp

Filesize
28KB

Download
memory/1048-17-0x0000000002010000-0x0000000002017000-memory.dmp

Filesize
28KB

Download
memory/1048-27-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1124-20-0x0000000000130000-0x0000000000137000-memory.dmp

Filesize
28KB

Download
memory/1124-32-0x0000000000130000-0x0000000000137000-memory.dmp

Filesize
28KB

Download
memory/1164-3-0x0000000002DD0000-0x0000000002DD7000-memory.dmp

Filesize
28KB

Download
memory/1164-7-0x0000000002DD0000-0x0000000002DD7000-memory.dmp

Filesize
28KB

Download
memory/1164-28-0x0000000002DE0000-0x0000000002DE7000-memory.dmp

Filesize
28KB

Download
memory/1164-23-0x0000000002DE0000-0x0000000002DE7000-memory.dmp

Filesize
28KB

Download
memory/1164-14-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1164-4-0x0000000002DD0000-0x0000000002DD7000-memory.dmp

Filesize
28KB

Download
memory/1948-31-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1948-25-0x0000000001DC0000-0x0000000001DC7000-memory.dmp

Filesize
28KB

Download
memory/1948-29-0x0000000001DC0000-0x0000000001DC7000-memory.dmp

Filesize
28KB

Download
memory/2124-15-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/2124-13-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2124-12-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download
memory/2124-11-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/2124-10-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/2124-9-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download
memory/2124-5-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download
memory/2124-39-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download