tinba | 9846d855def24caa30826e6ed196b59e1906e2ff1bd132f07b5144f89172b539

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 00:56

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General

Target

9846d855def24caa30826e6ed196b59e1906e2ff1bd132f07b5144f89172b539.exe
Size

225KB
MD5

048eee5f851bfd05702c8c7c68d6cef5
SHA1

bcf2154ecfd0a288bc6148460dfba7a88b61ffdf
SHA256

9846d855def24caa30826e6ed196b59e1906e2ff1bd132f07b5144f89172b539
SHA512

d74ce7910ebf13ee2a7a2c93cef86025db75939e87e4b9bc937439eb35047784232d4e7112f8584955373da71e8dd6ff6eabb60d7e82a5426e382382d4944545
SSDEEP

6144:7A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:7ATuTAnKGwUAW3ycQqgf

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\E8F12F54 = "C:\\Users\\Admin\\AppData\\Roaming\\E8F12F54\\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	9846d855def24caa30826e6ed196b59e1906e2ff1bd132f07b5144f89172b539.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2740	winver.exe
1424	Explorer.EXE
1424	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1424	Explorer.EXE
1424	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2740	2112	9846d855def24caa30826e6ed196b59e1906e2ff1bd132f07b5144f89172b539.exe	31
PID 2112 wrote to memory of 2740	2112	9846d855def24caa30826e6ed196b59e1906e2ff1bd132f07b5144f89172b539.exe	31
PID 2112 wrote to memory of 2740	2112	9846d855def24caa30826e6ed196b59e1906e2ff1bd132f07b5144f89172b539.exe	31
PID 2112 wrote to memory of 2740	2112	9846d855def24caa30826e6ed196b59e1906e2ff1bd132f07b5144f89172b539.exe	31
PID 2112 wrote to memory of 2740	2112	9846d855def24caa30826e6ed196b59e1906e2ff1bd132f07b5144f89172b539.exe	31
PID 2740 wrote to memory of 1424	2740	winver.exe	21
PID 2740 wrote to memory of 1172	2740	winver.exe	19
PID 2740 wrote to memory of 1344	2740	winver.exe	20
PID 2740 wrote to memory of 1424	2740	winver.exe	21
PID 2740 wrote to memory of 1664	2740	winver.exe	25
PID 2740 wrote to memory of 2112	2740	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1172

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1344

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1424
- C:\Users\Admin\AppData\Local\Temp\9846d855def24caa30826e6ed196b59e1906e2ff1bd132f07b5144f89172b539.exe
  "C:\Users\Admin\AppData\Local\Temp\9846d855def24caa30826e6ed196b59e1906e2ff1bd132f07b5144f89172b539.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2112
- - 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:2740

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/1172-26-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1172-9-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1344-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1344-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1424-28-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1424-3-0x0000000002990000-0x0000000002996000-memory.dmp

Filesize
24KB

Download
memory/1424-1-0x0000000002990000-0x0000000002996000-memory.dmp

Filesize
24KB

Download
memory/1424-6-0x0000000002990000-0x0000000002996000-memory.dmp

Filesize
24KB

Download
memory/1424-15-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1664-18-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1664-29-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2112-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2740-23-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2740-4-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2740-31-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download