tinba | 4700c2053434138b9f0e0b7e659fb6b7d7564347aa720cd3bc5bda9c3e2631d4

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
25-11-2024 21:53

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General

Target

4700c2053434138b9f0e0b7e659fb6b7d7564347aa720cd3bc5bda9c3e2631d4.exe
Size

237KB
MD5

335bb8fa890bcf7989521b4c43ac39cd
SHA1

e96233c9d2d693ecc40ee4cdbc4096af5a28b960
SHA256

4700c2053434138b9f0e0b7e659fb6b7d7564347aa720cd3bc5bda9c3e2631d4
SHA512

0ce1654e203f3f6b1321c04aa0d7ab8678bad8bd841a8b91b5f486f6bc809cd2522e45e05fd9dd379574c04fef66043e315770be020aa6ce823c7600c027f589
SSDEEP

6144:IA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYw:IATuTAnKGwUAWVycQqgr

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\0DF0667B = "C:\\Users\\Admin\\AppData\\Roaming\\0DF0667B\\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	4700c2053434138b9f0e0b7e659fb6b7d7564347aa720cd3bc5bda9c3e2631d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2876	winver.exe
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2876	2088	4700c2053434138b9f0e0b7e659fb6b7d7564347aa720cd3bc5bda9c3e2631d4.exe	31
PID 2088 wrote to memory of 2876	2088	4700c2053434138b9f0e0b7e659fb6b7d7564347aa720cd3bc5bda9c3e2631d4.exe	31
PID 2088 wrote to memory of 2876	2088	4700c2053434138b9f0e0b7e659fb6b7d7564347aa720cd3bc5bda9c3e2631d4.exe	31
PID 2088 wrote to memory of 2876	2088	4700c2053434138b9f0e0b7e659fb6b7d7564347aa720cd3bc5bda9c3e2631d4.exe	31
PID 2088 wrote to memory of 2876	2088	4700c2053434138b9f0e0b7e659fb6b7d7564347aa720cd3bc5bda9c3e2631d4.exe	31
PID 2876 wrote to memory of 1244	2876	winver.exe	21
PID 2876 wrote to memory of 1112	2876	winver.exe	19
PID 2876 wrote to memory of 1176	2876	winver.exe	20
PID 2876 wrote to memory of 1244	2876	winver.exe	21
PID 2876 wrote to memory of 1324	2876	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1244
- C:\Users\Admin\AppData\Local\Temp\4700c2053434138b9f0e0b7e659fb6b7d7564347aa720cd3bc5bda9c3e2631d4.exe
  "C:\Users\Admin\AppData\Local\Temp\4700c2053434138b9f0e0b7e659fb6b7d7564347aa720cd3bc5bda9c3e2631d4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2088
- - 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:2876

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1324

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/1112-11-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1176-24-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1244-1-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1244-17-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1244-6-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1244-3-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1244-26-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1324-20-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1324-25-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2088-8-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2876-23-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2876-4-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2876-29-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download